PLAY SOMETHING SMALL. LEARN SOMETHING NEW.
A shared arithmetic defense for your keyboard. A dress-up party for your friends. Explore the games, learn their rules, and try a new approach each round.
Find your game Explore the guides ↗THE PLAYGROUND
Join a shared Earth automatically. Look around your own 3D sky with the arrow keys, solve incoming comet questions, and blow them up before impact. Every visitor sees the same comets; the live count shows who is defending alongside you.
Keyboard required · Automatic shared play
Play arith Learn the rulesOne shared topic, a wardrobe of emoji, and a device passed between friends. Put together a look, choose a scene, and vote on everyone's interpretation.
Shared device · Up to eight players
Play dress-up Plan a roundMORE THAN A PLAY BUTTON
ARITH
Learn the controls, incoming comets, ammunition, and target selection in the arithmetic game.
Read guideARITH
Worked addition, subtraction, and pattern examples to use while playing arith.
Read guideDRESS-UP
Set up a shared-device dress-up round, interpret themes, and vote fairly.
Read guideIn arith, try splitting numbers into tens and units before you fire. In dress-up, choose one accessory and build a story around it. The guides offer worked examples and specific activities you can try in these games.
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