Play free puzzles, online games to make you think outside the box, games that require logical thinking, brain exercise games online for PC, Mac desktop, laptop, notebook, tablet, iPad, mobile phone. Cool strategy games, fun new brain-teaser games for kids (girls & boys), teens to play now, no download.
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Online Puzzle Games that Make You Think

Rating: 6.8/10 - 9035 votes

Play free online games that require thought, logic-based puzzles that make you think outside the box, fun brain-teaser activities for elementary / middle school students and high school teenagers, as well as for adults & seniors to enjoy.

Play hard puzzles, interactive problem solving games, challenging thinking games that involve and help to promote and improve critical thinking, creative / analytical thinking skills. Find physics-based games for the school classroom as a fun science lesson reinforcement, and to play at home with your best friends and family members.

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Onnect

Onnect: Come and have a go at this mighty puzzle game. Your job is to rearrange tiles of part of a photograph. This may sound easy but please not for one second should you underestimate this game. You will be gripped for hours as you desperately figure out a way to effectively rearrange the tiles. Best of luck to you!

This game is all about completing the picture. The picture will be split into 9 pieces and then scrambled around, and its your job to put them back together! To be successful at this you will need a good memory, to visualise the correct position of each tile, and a problem solving attitude. This is so you dont get frustrated and give up too soon!

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BBQ Skewers

Strap on your apron and grab your hand fan as you test your sorting ability in this festive and culinary logic game. BBQ Skewers is a logic-based and sorting focused game where your objective is to sort and skewer all the same pieces of food onto the same skewer, using empty skewer sticks to move around the pieces as you sort. You won’t be able to place different pieces of food on top of each other, only the same types, so plan carefully! BBQ Skewers is a fun and simple game that any age group would enjoy playing.

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Linking Puzzles

Linking Puzzles is a route planning puzzle game, in which you have to connect numbered blocks in numerical order by drawing lines. The catch is that your lines must not overlap, touch obstacles, or touch the wrong numbers! You’ll need to plan out your routes early to be able to draw them without accidentally blocking yourself off. To get high scores, connect all the blocks while making as few mistakes as possible!

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Mow It

In Mow It: Lawn Puzzle, you play as a gardener tasked with moving all the grass on a series of lawns. However the challenge is that you must do so without crossing over the electrical wires left behind you! Navigate tricky grids to make a path that goes through every square of grass exactly once without cutting the wire to complete each level.

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Fuzzy Maze

A game like Fuzzy Maze seems so simple at first, like something you will be able to master in seconds. However, it is a lot trickier than it seems.

You are given a series of puzzles and a piece to move around them. There are prize tokens that you need to slide over with your piece to pass each level. Things get complicated when you pass through a green block, though. Once you pass through those translucent blocks, they become solid so you can not pass through them more than once. This wrinkle changes the difficulty in a major way.

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Scrambled Word

Scrambled Word: En este divertido y desafiante juego de palabras, ¡descifra las palabras antes de que se agote el tiempo! Reordena las letras correctamente para descifrar la palabra antes de que se acabe el tiempo. Tienes cuatro modos de juego para elegir, ¡así que hay una gran variedad de actividades para mantenerte entretenido durante horas! ¿Crees que sabes inglés? ¡Ven y ponlo a prueba!

Descifra las palabras y frases antes de que se acabe el tiempo. Este juego desarrolla la observación aguda, la reacción rápida y las habilidades lingüísticas en inglés mientras juegas a este adictivo y entretenido juego. Sigue practicando y serás capaz de descifrar palabras en cortos periodos de tiempo. ¡Mucha suerte!

Cómo jugar: Utiliza el ratón del ordenador para pulsar sobre las letras/palabras para resaltarlas y, luego, vuelve a pulsar sobre la letra/palabra con la que quieres que se intercambien. En los dispositivos móviles, utiliza el dedo con la pantalla táctil para interactuar con las letras/palabras.

Este juego basado en HTML5 funciona en móviles, tabletas y navegadores de PC/Mac.

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Xmas Mahjong Trio Solitaire

Immerse yourself in the holiday spirit with Xmas Mahjong Trio Solitaire, a festive twist on the classic tile-matching game that will deck your halls with joy and challenge. As snowflakes gently fall in a serene winter wonderland, you'll be tasked with arranging and dissolving trios of Yuletide tiles, each adorned with iconic Christmas imagery. This merry puzzle experience promises to kindle the cozy warmth of the season in every player's heart.

Sharpen your wits like the edge of a skate gliding across a frozen pond. This game is a sleigh ride through the realms of strategy and concentration, enhancing your ability to recognize patterns and improving your quick decision-making skills. As you navigate through the stacks of tiles, your agility in managing the ever-growing collection will be tested, honing your spatial awareness and memory. Each successful trio matched is a step closer to becoming a master of this winter puzzle wonderland.

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Tap 3 Mahjong

Embark on a tranquil journey through the serene gardens of Tap 3 Mahjong, where the ancient tradition of Mahjong meets a delightful twist. As cherry blossoms sway and soothing music plays, you'll find yourself immersed in a puzzle experience that's as refreshing as a gentle spring breeze. Clear the board level by level, matching tiles in threes, and watch as stress melts away with each successful move.

Sharpen your mind and indulge in the art of strategy with every tile you touch. Tap 3 Mahjong isn't just a game; it's a mental symphony that hones your cognitive abilities, enhances pattern recognition, and nurtures your problem-solving skills. As you delve deeper into this enchanting world, you'll find your attention to detail refining and your decision-making becoming as swift and graceful as the game's own flowing design.

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Home Pin 1

Home Pin 1: Pull Pin Loot Puzzle invites you into the world of Edward, a visionary with a heart full of dreams, yet a house empty and abandoned. Embark on a journey of transformation, where logic, strategy, and a touch of magic will turn a desolate space into a blooming haven. It's not just a game; it's a tale of revival, challenging your wits at every turn to create a sanctuary Edward and his wife can call home.

As you navigate through the puzzles, you're not just pulling pins; you're sharpening your mind. Each level is a brain teaser that enhances problem-solving skills, boosts cognitive flexibility, and hones your strategic thinking. The game is a gym for your brain, where every challenge is an opportunity to exercise your logic, patience, and attention to detail. It's a beautifully crafted mental workout, disguised as a captivating puzzle adventure.

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Unblock It Atlantis

Plunge into the mesmerizing depths of the lost city with Unblock It Atlantis, a dazzling 3D puzzle adventure that invites you to unravel ancient mysteries beneath the waves. Rotate shimmering cubes adorned with coral-carved tiles, glide pearl-finished blocks through tangled sea flora, and explore a treasure trove of levels inspired by the legendary ruins of Atlantis. Each puzzle is a new underwater expedition, where every twist and turn reveals hidden paths and sparkling secrets waiting to be discovered.

Every move you make in this aquatic labyrinth sharpens your mind and hones your perception. As you navigate the intricate puzzles, you'll flex your spatial reasoning, boost your memory, and develop keen problem-solving skills. The ever-evolving challenges encourage patience, strategic planning, and creative thinking, all while immersing you in a tranquil, oceanic atmosphere. Whether you're seeking a mindful escape or a brain-boosting workout, this game offers a refreshing dive into mental agility and focus.

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Royal Grid

Royal Grid is a calm, logic-first puzzle where every board has exactly one true solution—no guessing, no luck, just elegant reasoning. Place crowns with surgical precision, and watch the realm click into place as tiny 5x5 courts grow into majestic 9x9 master grids.

Think of your brain as a strategist at court: each decision sharpens deduction, strengthens pattern recognition, and trains your eye to track constraints across rows, columns, and colored regions. Your fingers get the fine-motor practice too—tap to crown, tap again to reconsider—while the board quietly guides you by dotting cells that your crowns make impossible. A top tip for this game is to treat every placement like a promise: once a crown goes down, the “no-touching” rule (even diagonally) becomes your compass.

How to Play: Tap or click any cell to place a crown; tap/click it again to remove it. Your goal is to fill every row, every column, and every color region with exactly one crown—while ensuring no two crowns touch, not even diagonally. As you place crowns, cells that can’t possibly work are automatically marked with dotted indicators, helping you focus on what remains. Stuck? Use the Hint button— it doesn’t simply reveal the answer; it explains why a particular cell must be a crown based on the logic you’ve already set up. Scoring is earned by completing each puzzle using pure logic: faster clears and fewer hint uses yield higher points, and every level up (5x5 → 6x6 → … → 9x9) increases the challenge until you reach the master boards.

This is an HTML5 game, compatible with both desktop and mobile web, designed for Landscape play on For iOS and For Android. Suitable for Teens through Adults (a relaxing but brainy logic challenge), available in English and Korean. Holiday theme: none—only timeless royal puzzles.

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Sokogem

Sokogem is a brilliantly designed pixel art and puzzle game that is sure to get scratching your head. In Sokogem, you must help a little blob-like creature to make its way through a series of puzzle prisons. To do this you need to help it place all of the scattered gems into the chests in order to unlock the gates. Sokogem is a puzzle game that is suitable for all ages, offering simpler levels for the less experienced, and incredibly complex levels for the true puzzle masters.

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Ruin

Ruin is a fun addicting yet incredibly simple game which will improve your problem and puzzle solving skills. Come and have a go if you think you are smart enough to take this on! Show off to your friends by solving the puzzle in as few attempts as possible!

The aim of the game is to get the board empty. Make the items disappear by matching the colours together and aligning them in a straight line. More than 2 matching pieces horizontally or vertically will make them disappear and you need to make everything on the board disappear to move on. This will develop your problem solving skills as some of the levels are really thought provoking, and you only have a limited amount of moves. The fewer moves you take the better your score. Try and aim for 3 out of 3 stars on each level!

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Twisted City

Twisted City is a grid based puzzle game in which you need to connect roads to different parts of the city by rotating tiles. You play as the mayor’s intern, and you’ll need to carry out tasks that he assigns you using your city planning skills! Each level has a maximum amount of achievable points, some requiring you to complete the levels in as few moves as possible and others inducing panic by setting you tough time limits!

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E Switch

It's time to flex your cerebral muscles and tone your grey matter as you try to solve all of the logic puzzles in E Switch. Solve each of the 20 puzzles by moving around and rotating circuit lines to create a clear path between all the green power cells. There is no timer, no x number of lives, just patience and concentration if you want to clear all of the puzzles. E Switch will challenge and excite you all the way, so why not come and give it a go!

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Taxi PickUp

Think you can be the most efficient and organized taxi driver in the world? Then Taxi Pickup is the game for you. Create a route for the taxi where you can pick up all passengers and take them to their destinations without overlapping other taxis, customers or routes.

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Ball Toss Puzzle

Ball Toss Puzzle is a rather challenging and fun puzzle game that will really make you think, take your time and try again. It requires you to fill in puzzle boards but it won’t make things easy on you.

The game looks good and is easy to play with simple controls and a rather simple concept that proves itself challenging again and again. It feels like a new type of puzzle game that can keep you coming back for more again and again. It will push you and test your skills.

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Chess Mania

Chess Mania embodies the classic spirit of chess, but with a twist. Chess Mania, unlike other chess games, is purely focused on developing your analytical skills and understanding of chess by providing you with over 400 puzzle themed challenges for you to solve. The challenges vary from “mate in 1” to “find the best move”, with all of them geared towards helping you to recognize patterns and ways of winning the game.

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Slime Rider

Test your logic and puzzle-solving skills as you brave the treacherous and trap-filled dungeons of Slime Rider. Aid the mysterious slime rider as he makes his way through 15 levels, each with its own devious mix of puzzles to solve. Slime Rider with its quirky premise and classic retro design offers you a nice casual game to relax with as you try to complete all 15 levels. Suitable for all ages.

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Sort Hoop

Sort Hoop is a straight-forward yet highly-challenging, online hoops stacking puzzle game with increasingly-difficult levels - playable on iOS, Android, notebook, laptop and desktop PC.

The concept is simple; you must stack all of the colored hoops on top of each other. Solve the game by sorting colorful hoops. Think, strategize and predict every move. Enjoy the mental challenge as you stack the colorful hoops.

Select a hoop and drag it onto another pile in order to organize them in such a way that the piles will all have the same colored hoops. Enjoy!

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Piggy Bank Adventure

Deftly guide a gold coin into a waiting piggy bank in this cute yet challenging ‘cut-the-rope-style’, timing-based skill game and brain teaser for mobile devices, notebook, and desktop PC! Piggy Bank Adventure is a fun and enjoyable, interactive physics-based game and tricky problem-solving puzzle for young kids through high school teens where you must cut ropes that tether a gold coin to the top of the play area, and utilize gravity, obstacles, and the contours of each level to ensure that the coin makes its way down and into the patient little pink piggy bank at the bottom of the game screen.

Piggy Bank Adventure is a HTML5-based game that should work on iOS and Android devices, as well as most web browsers for PC / Mac. As this is a timing-based activity, tactful mouse control / finger tapping skills are really important, especially when dealing with moving objects and platforms in later levels (There are increasingly difficult 24 levels in total). Other key skills required include patience, good strategic planning, sharp reactions and analytical thinking skills, and a willingness for trial and error.

Secret Tip: You do not have to guide the coin smoothly into the slot on the piggy's back in order to complete each level. Once the coin drops down and hits anywhere on top of the little piggy, it takes one bounce and lands perfectly into the slot. Gosh, if only my golf balls would do that!

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Block Eating Simulator

Welcome to Block Eating Simulator, where the vibrant world of colorful cubes invites you to indulge in a delightful feast of blocks! In this whimsical arena, you’ll navigate your way through a playful landscape, munching on blocks to grow your cube and become the largest player in the game. Whether you choose to play solo or challenge a friend, the excitement of devouring blocks and outsmarting fellow cube players awaits!

As you dive into this engaging experience, you’ll sharpen a variety of skills that extend beyond mere gameplay. Your reflexes will be put to the test as you maneuver through the arena, enhancing your motor skills and hand-eye coordination. The strategic element of the game encourages critical thinking and decision-making, as you must assess when to consume blocks and when to evade larger opponents. Plus, the competitive nature of climbing the leaderboard fosters a sense of achievement and motivation, making every block you eat a step towards mastery!

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Unblock It 3d

Unleash your inner strategist and dive into the captivating world of Unblock It 3D! This immersive puzzle game invites you to challenge your mind as you navigate through a vibrant 3D landscape filled with intricate block puzzles. With each level, you’ll find yourself unraveling complex arrangements of colorful cubes, all while honing your logic and spatial reasoning skills.

As you embark on this puzzling adventure, prepare to sharpen your cognitive abilities and enhance your problem-solving prowess. The game encourages you to think critically and develop strategic planning skills, as you must visualize the movement of blocks in three dimensions. Additionally, your fine motor skills will be put to the test as you swipe and drag to manipulate the blocks, making every move count. With each successful puzzle solved, you’ll feel a sense of accomplishment that fuels your desire to tackle even more challenging levels!

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Pool Buddy 4

Take a break, and make a splash in Pool Buddy 4, a simple to learn obstacle and thinking game that is great for all ages! The goal of the game is to help your friend fill up all of his pools by directing the flow of water into the awaiting pool all the while as you navigate your way through obstacles and traps. Pool Buddy 4 is a great casual game to relax with and learn from.

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Poly Art 3D

Poly Art 3D is a relaxing and visually impressive game, that lets you solve puzzles to receive an astounding poly art image for you to enjoy and have a collection of.

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Connect Dots

Connect Dots is a fun and challenging puzzle game where you have to collect the dots in every level. While it sounds easy, you are not able to retrace lines, so you have to find the best solution to complete each of the levels.

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Fit In The Wall

Fit In The Wall is a fun yet tricky, endless visual block-arranging brain teaser puzzle game where you must move the free block to the correct position before it hits the wall.

This interactive and stimulating online problem solving game requires good observation and concentration skills, good hand-eye coordination. There is absolutely no room for error in this game, if the block is in the incorrect position and hits the wall- you will have to start again. Try to get as far as you can and beat your previous score!

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Puzzle Fever

Step into a world where colors collide and strategy meets fun in Puzzle Fever, a vibrant new puzzle game that turns the simple act of matching colorful hexagons into a brain-tingling adventure. With its gem-like hexagons and a honeycomb structure that beckons the player to dive in, this game promises not just entertainment but a visually stunning experience designed to captivate players of all ages.

Embark on a journey that not only dazzles the eyes but also sharpens the mind. As players navigate through the myriad of hues, arranging and rearranging the hexagonal pieces, they are unknowingly enhancing their spatial awareness, strategic planning, and problem-solving skills. The game's progressively challenging levels serve as a gymnasium for the brain, where cognitive flexibility and motor skills are honed with each swipe and drag.

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Color Strings

Unleash your creativity and challenge your mind with Color Strings, a captivating puzzle game that invites you to connect vibrant dots and form intricate shapes. With its simple yet engaging mechanics, this game transforms your daily brain exercise into a delightful adventure filled with color and creativity. Each level presents a unique challenge, pushing you to rearrange strings on dots to match mesmerizing patterns, all while basking in a whimsical world of floating spheres and enchanting hues.

As you dive into the colorful universe of this game, you'll discover that it's not just about solving puzzles; it's a fantastic way to sharpen your cognitive abilities and enhance your motor skills. Your ultimate goal is to develop spatial reasoning, improve problem-solving techniques, and boost your hand-eye coordination. Each puzzle you conquer will not only bring a sense of accomplishment but also contribute to your mental agility, making every session a rewarding experience for your brain.

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Tri Peaks Emerland Solitaire

Tri Peaks Emerland Solitaire is an enchanting card adventure that whisks you away to a magical realm filled with whimsical creatures like dwarfs, elves, and mermaids! As you embark on this captivating journey, you’ll uncover the secrets of the Tri Peaks while enjoying a delightful blend of strategy and luck. Prepare to be mesmerized by stunning visuals and immersive gameplay that will keep you coming back for more!

As you delve into this enchanting world, you’ll find that every card you play sharpens your mind and hones your skills. The game challenges your cognitive abilities, enhancing your memory, strategic thinking, and problem-solving skills. With each level, you’ll develop quicker reflexes and improve your hand-eye coordination as you navigate through the vibrant landscapes of Emerland. Are you ready to become a master of the cards while having a blast?

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Cannon Balls 3d

Unleash your inner architect of destruction in Cannon Balls 3D, a thrilling and immersive game where precision meets explosive fun! Prepare to embark on a journey where your strategic thinking and aiming skills will be put to the ultimate test as you demolish intricate structures with your trusty cannon. Each level presents a unique challenge, inviting you to become the master of mayhem and creativity!

As you dive into this captivating world, you'll find that every shot fired is an opportunity to sharpen your cognitive abilities and enhance your motor skills. The game encourages players to think critically about angles, trajectories, and timing, fostering a keen sense of spatial awareness. Moreover, the need for quick reflexes and steady hands will help improve your hand-eye coordination, making each successful demolition not just satisfying, but also a testament to your growing skill set!

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Single Stroke Line Draw

Unleash your creativity and sharpen your mind with Single Stroke Line Draw, a captivating puzzle game that invites you to connect the dots with a single, fluid line. This enchanting game challenges you to draw intricate shapes and patterns without retracing your steps, transforming simple lines into a mesmerizing journey of discovery and skill.

As you embark on this artistic adventure, you’ll find that each level not only tests your problem-solving abilities but also enhances your cognitive and motor skills. The game encourages you to think critically and strategically, honing your spatial awareness and hand-eye coordination. With every puzzle you conquer, you’ll feel your brainpower and dexterity grow, making it a delightful way to engage your mind while having fun.

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9 Blocks

Step into a world of strategic thinking and colorful creativity with 9 Blocks! This captivating logical puzzle game invites you to immerse yourself in a vibrant universe where your wits and spatial awareness are your greatest allies. Your mission? To fill every empty space by merging colorful chips, creating a mesmerizing tapestry of completed blocks!

As you dive into the challenges of 9 Blocks, you’ll find that each move sharpens your cognitive abilities and enhances your problem-solving skills. The game encourages you to think critically and plan ahead, fostering a keen sense of spatial reasoning. With every chip you rotate and drag, you’ll also refine your motor skills, as precision and timing become essential to your success. Prepare to engage your brain in a delightful workout that’s as entertaining as it is enriching!

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Single Line Puzzle Drawing

Challenge your mind and steady your hand in Single Line Puzzle Drawing! This captivating brain teaser invites you to solve a series of clever puzzles by drawing each shape in one continuous stroke. With its sleek design and relaxing gameplay, it's the perfect way to unwind while giving your brain a daily boost—whether you have a few minutes or want to enjoy a full 20-minute mental workout.

Every puzzle is a new opportunity to flex your mental muscles. As you trace your way through intricate patterns, you'll sharpen your logical thinking, enhance your spatial awareness, and improve your planning skills. The game also hones fine motor control and hand-eye coordination, making each level a delightful exercise for both mind and body. Whether you're a teen, young adult, or seasoned puzzle enthusiast, you'll find each challenge both rewarding and stimulating.

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Love Pin Online

Ayuda a Longarm Sam a rescatar a su novia, luchar contra bandidos y coleccionar joyas, todo en Love Pin Online. Experimenta un emocionante juego basado en puzles mientras ayudas a Sam a conseguir todo esto sacando cuidadosa y estratégicamente las clavijas correctas necesarias para soltar objetos sobre los bandidos, liberar alijos de gemas y crear un camino despejado para que Sam rescate a su novia. Este es un juego sencillo pero divertido.

Cómo jugar: El objetivo del juego es sacar las clavijas correctas necesarias para ayudar a Sam a superar cada nivel. Para ello, pulsa o haz clic en las clavijas que aparecen para sacarlas y eliminar los obstáculos. Usa cofres y veneno amarillo para noquear a los bandidos, pero recuerda liberar la sustancia azul después para que el área sea segura para que Sam camine. ¡El resto del juego depende de ti para explorar!

Love Pin Online puede jugarse tanto en navegadores móviles como de escritorio.

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Combo Slash

Combo Slash is a head-scratching, brain teaser puzzle platform game for kids and teens set in a squared off house that houses monsters, arrows, weapons and other dangerous items and it is your job to safely reunite the two girls! Sounds simple? Come and have a go, you will need your thinking cap on!

The aim of this game is to complete each level and then move on to the next. Reunite the two girls without putting either of them in harms way! Look out for the arrows and the animals, among other dangers...you must be on guard! This innovative and challenging online activity really tests your analytical thinking and problem-solving skills as you try to figure out a solution that allows the threats to be neutralized and the two girls to be reunited safely. Great patience and determination is needed in order to find the solution. Try not to get your brain in a twist – Time travel can be mind-meltingly tricky at times!

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