
Cave Dash
Dig, dodge, collect diamonds
Logic puzzles, word games, classic card and board games and slow-burn strategy. Everything here rewards thinking over reflexes and runs straight in your browser.

Dig, dodge, collect diamonds

Classic Klondike, beautifully dealt

Slide, merge, reach 2048

Stack, clear, don't top out

Match three, chain the cascades

Logic, nerves and one wrong click

Four difficulties, one right answer

Every deal can be won

Eight runs, one, two or four suits

Match the suit, save the eights

Five dice, fifteen rounds

Race four tokens home

Race, hit, bear off

Match the pips, block the table

Find every word on the page

Six tries, one word a day

Guess the word before the balloons pop

Sixty seconds, how many can you get?


Build a village, raise a castle

Outflank, outthink, take the castle

Buy low, sail far, sell high

Keep the lights on, keep them breathing

Lay the track, run the line

Gather scrap, build bots, take the yard

Roll the dice, take the map

Happy animals, happy visitors

Avoid the queen, or shoot the moon

Meld, knock, gin

Pair to thirteen, clear the pyramid

Got any sharks? Go fish!

Every rule, a real engine, no download

Jump, crown, corner them

Sow the seeds, count the beads

Flip the lines, hold the corners

Five by five, one cup of coffee

One letter a rung, all the way up

Seven letters, one sweet centre

Sixty seconds, no calculator

Turn the pipes, open the valve

Bend the beam, crack the vault

Build a port, keep the ships coming

Build an island, season by season

Three in a row, one man fewer

Find the fleet, sink the fleet

Climb three peaks, one card at a time

Turn two cards. Find the twins.

Plan the order, never pull

Numbers in, picture out

Seven letters, two minutes

Guess the word, bring the kitten down safely

Match free tiles, clear the table

Mahjong, built into a block

Tap the tiles, match three, clear the stack

Link the pairs, clear the board

Aim, bounce, pop the meadow clean

Sixty orchard levels of match three

Shoot marbles, break the chain

Tap a group, watch the board crumble

Line up five, keep the board clear

Link the dots, close a square

Twelve rooms, one key at a time

Eight things are hiding. Can you spot them?

Spot what changed

Sixteen paintings, 12 to 150 pieces

Cosy detective logic grids in pictures

Crack thirty mechanical puzzle boxes

Hidden objects, found by torchlight

Spot eight hidden cats in busy scenes

Crack the code, type the word

Find, combine, build a raft

Count, plant and match numbers

Catch the right letter on a balloon

Shapes, patterns and pictures for ages 4 to 10

Set the clock for every customer

Pick the right penguin, watch it slide

Mix, match and paint with an octopus

Fly a little plane around the world map

A first typing game that flies to the moon

Match, listen and remember the animals


Cut, serve and compare slices

Mix it, price it, hear what the lane thinks

Paths, rides and a coaster of your own

Land them, park them, send them off on time

Run a seaside hotel, floor by floor

Pitch, cast, shoot, premiere

Grow plants, stock the shop, beat the frost

Sort the parcels, beat the traffic

Curate the town museum


Keep the valley's lights on


Lifts up, pistes down, skiers everywhere

Turn-based bonks on a tile grid

A party RPG in miniature

Roll, place and plan your way down

A cosy deck-building roguelike

Craft the kit, watch the bonks

Climb, fight, pick an upgrade, repeat

Mix three runes, find all 36 spells

Befriend, train and evolve cute monsters

Lead a caravan to the mountain fair

Train all week, win the tournament


Tap, blast and build the story piece by piece


Match gems, charge a hero and explore the islands


Match three, clean the lots and build your own town


Match ingredients and build Pepe's pizzeria


Match gems and light the stars of real constellations


Match jellies, earn stars and paint Valerie's story


Match sweets, earn stars and make chocolates to order
A good brain game is won by thinking, not by fast fingers. You look at the board, work out what has to be true, and make the move that follows from it. Many of the puzzles here are checked so that there is exactly one answer, or so that every deal or level can be solved, which means a careful player can always find the way through without guessing.
That covers a wide range. There are number and logic puzzles such as Sudoku and Minesweeper, word games, patience card games, classic board games against a computer opponent, mahjong, escape rooms and puzzle boxes, and slower strategy and tycoon games where you plan a railway or a trading route. There are also calm learning games for children, from counting to telling the time. Most of them let you stop and think for as long as you like.
If you like numbers and logic, start with Sudoku, which has four difficulties and a hint that names the deduction instead of just filling the square. Minesweeper always makes your first click safe, and every number tells you how many mines touch it. 2048 has you slide and merge tiles towards a 2048 tile, with an undo for the move you regret. Picture Cross turns number clues into a hidden picture.
For words, Five Letters gives you six tries at a hidden word, Honeycomb asks for every word of four letters or more that uses the middle letter, and Maths Blitz runs quick sums from adding inside twenty up to percentages. Card and board players can pick FreeCell, where every card is face up from the start, or Chess, with every rule, a real engine at Easy, Normal and Sharp, and forty mate-in-one and mate-in-two puzzles. Reversi has twenty-four puzzles that each have a single best stone.
If you want something to work out over a longer sitting, Locked Room has twelve escape rooms with picture clues and no timer that ever ends your game. Lockbox Lab is thirty mechanical puzzle boxes, each with its own mechanism. Laser Maze asks you to turn mirrors until the beam lights every sensor, and Steam Rails lets you lay track and run trains between towns and works.
Most brain games are played with a mouse or a finger. You click or tap a cell, a card or a tile, and drag where a game needs it, such as moving cards in FreeCell or laying track in Steam Rails. Many also work from the keyboard: in Sudoku you pick a cell with the arrow keys and type 1 to 9, and in the word games you type the word and press Enter. H shows a hint and U undoes a move in a lot of them, and P pauses.
On a phone or tablet, the controls switch to touch. Minesweeper has a flag mode for marking mines with a tap, and Sudoku gives you a row of numbers to tap. Because there is rarely a clock, these games suit a few minutes at a time: Sudoku keeps the current puzzle in your browser, so you can close the page and pick it up again later.
Yes. Every brain game on Kiloo is free to play in your browser. There is nothing to download or install and no account needed. Best times, high scores and solved puzzles are kept in the browser you play in, so you can come back and carry on.
Yes, every brain game on this page works on phones and tablets as well as on computers. You tap cells, cards and tiles instead of clicking, and drag where the game asks for it. Word games show letters to tap, and Minesweeper has a flag mode built for touch.
Sudoku is a good first choice: pick the easiest of its four difficulties and use the hint when you are stuck, because it explains why a digit fits. If you prefer words, try Five Letters. If you like cards, FreeCell shows every card face up from the start.
Usually not. Most brain games here have no time limit, or keep a clock only for your best time. Locked Room has no timer that ever ends your game, and Mahjong Garden has a Relaxed mode with no clock. A few, such as Maths Blitz and Lightning Quiz, are built around a timer on purpose.
Yes. The learning games are made for younger players: Memory Zoo is a calm memory game for ages four to ten with no reading needed, and Shape Sorter covers shapes, patterns and pictures for the same ages. Clock Shop and Letter Catch have no timers and no failing, and Number Garden has no way to fail.
107 games tagged brain games · all free to play in your browser.