Crazy Arena - Fun HTML5 Games & IO Battles

Hospital Surgeon Doctor Game

Run a multi-specialty hospital and treat patients through fun, guided mini-surgeries. Diagnose illnesses, use medical tools, and perform heart, dental, eye, ENT, and orthopedic procedures by tapping and dragging instruments to the correct areas. Complete each treatment step in sequence, unlock new cases, and help patients recover. The game features simple touch controls, colorful visuals, and casual doctor-simulation gameplay for all ages.

Strategy

Play Now →

Last War Survival

The end is near. The world is no longer peaceful. In this game full of gunfights, zombies, and strategic challenges, you'll battle the evil zombies. Solving number puzzles to unleash your tactical genius. In Last War Survival, you'll play as a survivor in a world ravaged by a zombie virus.

Puzzle Casual

Play Now →

Ride Shooter

What if the whole world is filled with zombies? Of course get in a car, equip it with weapons and armor, and then break through to the others! What's next? Machine gun, laser and attack helicopter!

Racing & Driving Casual

Play Now →

Color Cargo Puzzle Rush

Color Cargo Puzzle Rush is the ultimate blend of color puzzle games, and sorting games! Dive into this stress-relieving world of ASMR games where you match delivery boxes with the right cargo buses by their colors. Perfect for fans of color sort puzzle and fun games, this game is all about strategy, speed, and precision.

Puzzle Casual

Play Now →

Maze Escape : Craft Man

Objective: Navigate through a series of craft doors and escape the maze without being killed by terrifying entities. Gameplay: Explore the Maze: Move through a maze filled with multiple doors, each leading to new and more challenging areas. Survive the Entities: Avoid or outsmart various entities that lurk in the maze, each with unique behaviors and attack patterns. Find the Next Door: Continuously search for the next door to progress to subsequent levels of the maze. Collect Items: Gather keys to unlock doors, coins for upgrades, and useful tools to aid in your survival.

Adventure

Play Now →

Space.io

Jump into the cockpit of a powerful spaceship and engage in fast-paced 3D space battles! Face off against 9 other enemy ships in an intense dogfight where only the best pilot survives. Shoot down your opponents before they take you out, climb the rankings, and prove you're the ultimate space warrior! Unlock a wide variety of skins to customize your ship and dominate the battlefield in style. Can you claim the top spot?

Shooter .IO

Play Now →

Capybas

Capybas is a cozy logic puzzle game that blends the deduction of Minesweeper with the rule-based thinking of Sudoku. Find the hidden capybaras by using clues from colors, rows, columns, and adjacency rules. Complete levels, earn coins, and unlock new capybaras and themes as you progress through Easy, Medium, and Hard modes.

Puzzle

Play Now →

Dunk Challenge

Shoot and score with Dunk Challenge, a 2D basketball game that will make you bounce with joy. You will play as a basketball shooter. You will also enjoy a new explosive mode that adds more fun and challenge to your gameplay. You will tap the screen to shoot and use your 14 bullets wisely to make the ball rebound and land in the hoop. You will also collect purple diamonds and explore the store, where you can find 15 different ball skins to customize your game. Don’t miss this addictive game!

Basketball

Play Now →

SpelunKing

Dig into this deep match-3 expedition! Take a dive underground, search for your grandpa’s lost items, and collect precious stones to help the villagers around town rebuild Farnsbury. Upgrade buildings and unlock new facilities as you match deeper! Reach the bottom of the mine and become the Spelunk King (or Queen)!

Match-3

Play Now →

Jewel Coloring

Jewel Coloring is a unique puzzle game where colorful gems become part of beautiful pixel-art pictures. Sort colorful jewels, match them with the correct cells, and complete beautiful pixel-art images. Every level is a brain-teasing puzzle where the right colors must go to the right places. Solve hundreds of satisfying challenges, unlock new pictures, and transform scattered gems into sparkling masterpieces. Perfect for fans of sorting games, color matching, logic puzzles, and relaxing gameplay.

Puzzle

Play Now →

Sprunki Garden

Welcome to Sprunki Garden – a wild match-3 puzzle adventure inspired by the legendary Sprunki meme! Match colorful Sprunki characters across 100 hilarious levels filled with chaos, charm, and absurdity. Every move connects you with the bizarre Sprunki universe, where each character is weirder than the last. Get ready to swipe, match, and laugh your way through the most brainrotted garden ever!

Match-3

Play Now →

Clean The Ocean

Pick up waste, clean up oil spills and heal the oceans bit by bit! Venture out on your own boat, clear out parts of the sea and make sure you recycle everything properly. This game is the perfect way to teach kids about ecology and recycling, or just to pass the time in a mindful way. Level up the ship and leave a lasting legacy on planet Earth.

Educational

Play Now →

Duotrace

Duotrace is a chill but sneaky-tricky puzzle game. The rule is simple: trace every line in the shape exactly twice without lifting your finger. Sounds easy, until the shapes get tangled and you have to think ahead to find the path that works. What sets it apart is that double-trace twist. A small rule that becomes a real brain teaser, with a great "aha, got it!" feeling once you crack a level.

Puzzle Casual

Play Now →

Idle Baseball Tycoon

Play Idle Baseball Tycoon free online and step into a fast-loading browser game you can play instantly with no download and no install. Build your dream team, upgrade stadiums, recruit players, and grow profits in a smart manager sim that blends idle strategy with brain game decision-making. This unblocked game runs smoothly at school or home and is fully mobile-friendly, working perfectly on desktop and mobile. It’s a free online game made for quick breaks and long-term domination.

Sports Simulation

Play Now →

Find & Steal Brainrot: 67 Game

Find & Steal Brainrot: 67 Game is a chaotic puzzle hunt where you track a target brainrot through surreal, meme-soaked worlds. Each level pushes you to spot the same creature across dense, absurd scenes packed with icons like 67, Strawberry Elephant, Dragon Cannelloni, Spaghetti Tualetti, and La Supreme Combinasion. Fast-paced scanning, wild details, and pure internet nonsense create a frantic, high-energy experience for fans of intense spotting and brainrot chaos.

Puzzle Casual

Play Now →

Domino Adventure

Discover three match durations to suit your style. Showcase your skills and logic in each round, and use strategic moves to outplay your opponents. Perfect for puzzle enthusiasts seeking endless fun and challenges.

Boardgames Casual

Play Now →

Run from Baba Yaga

Run from Baba Yaga is a potentially endless runner in which player has to collect as much treasures as possible and run as long as possible while Baba Yaga is trying to catch up with them. During the chase, Baba Yaga gradually gets stronger: her movespeed and damage increase.An outstanding result can be achieved if player reaches the last stage of the game by running 400 hexes (hexagonal pieces of path).

Adventure

Play Now →

Bacteria: Life & Death

Bacteria: Life & Death is a chill, meditative growth game about a colony of microbes learning to survive. Feed them, warm them, and watch them multiply — or accidentally starve them, freeze them, or drown them in toxins. Every stage introduces a new twist: viruses, mutations, temperature swings, chemical spills. There is no rush and no timer. Just observe, adjust the environment, and discover what tips the balance.

Simulation

Play Now →

Nugget Man Survival Puzzle

Are you ready for adventure with the Nugget man character? To save the Nugget Man character who is stranded in the desert, you must fly into the sky without bursting the balloons. You must be careful to take the character to the finish by solving the puzzles before time runs out, accompanied by Gedagedago music. Rescue Nugget Man through desert bandits, cacti and many other challenging obstacles! Enjoy.

Puzzle Simulation

Play Now →

Memory Lane

Your goal in each level is to reach the Goal Platform. Levels are played in two phases. A. Reveal Phase: Duration: Short preview at the start of each level • All platforms become visible. • Study the layout, paths, traps, and pickups. Your task: Remember what you see B. Action Phase: • All memory phase platforms become invisible unless they are marked to stay visible. • Touching platforms reveals them permanently. Your task: Reach the goal using your memory and reflexes.

Puzzle Casual

Play Now →

Cosmic Tetriz Puzzles

Join a cosmic puzzle adventure where Tetriz meets pixel art. Place colorful Tetriz-style pieces on a grid to create shapes, ranging from easy to complex. Each piece has its own spot, adding to the challenge. Complete 45 levels, solving cosmic Tetriz puzzles in a space-themed setting. Can you beat this cosmic challenge before time's up?

Puzzle Agility

Play Now →

Gladiator Fights

An action game based on battles with gladiators, where players can plunge into the world of ancient Rome and become real warriors. The game offers an exciting and dynamic gameplay where players have to go through many challenges and defeat a number of dangerous opponents.

Battle Casual

Play Now →

Digit Shooter

Digit Shooter! plays like a vertical-version shooting running arcade game. With 3D green numbers, you can launch green numbers to shoot green numbers and numbered walls. You can shoot them and collect them to make your number bigger. Don't waste bullets and time on red walls while avoiding them. When you reach the finish line, try to focus on one line to shoot, then you will collect more rewards

Shooter

Play Now →

Hobo Speedster

Hobo Speedster is an exciting motorcycle platform BMX game featuring 2D cartoon graphics. Your mission? Keep the motorcycle balanced until you reach the finish line. As you earn coins and diamonds, upgrade your current bike at the motorcycle settlement, purchase 3 more motorcycles from the Shop, and unlock 4 additional riders in the Decorate section. Ready for a personal challenge? Explore various maps and aim to complete all 7 tasks for extra rewards!

Racing & Driving Casual

Play Now →