Simon Says is a free, motion-controlled take on the classic party game, played with your webcam instead of a controller. A voice shouts commands — jump, duck, lean left, lean right, run — and you have to move fast when it starts with "Simon says"… and freeze completely when it doesn’t. Move on a fake command and you’re out.
Play solo to chase your longest streak, or open a lobby, share the code and outlast up to eight friends in live elimination rounds where everyone sees everyone’s moves as they happen. The rounds speed up until only one player is left standing.
How to play Simon Says
Your webcam tracks your body with on-device pose detection — no camera footage ever leaves your browser. Listen for the command: "Simon says jump" means jump, "Simon says duck" means crouch, "Simon says lean left" means shift your weight, and "Simon says run" means jog in place. But if the voice skips the "Simon says" and just says "jump", you must hold perfectly still. React too slowly, or move when you shouldn’t, and you lose a life.
Each round the commands come faster and the fakes get sneakier, so the game trains reaction speed and focus as much as it gets you moving.
A party game that doubles as burst cardio
The constant jumping, ducking and quick direction changes turn a silly party game into genuine burst-interval cardio — short, sharp bouts of movement with your heart rate spiking and settling between commands. It is a fun, low-pressure way to stay active with friends or family.
Live multiplayer for up to 8 players
Host a lobby, send the code, and up to eight people join the same synchronized rounds from their own webcams. Everyone gets the identical sequence of commands, players are eliminated live as they slip up, and the host seat migrates automatically if the host drops — so a full game keeps running even if someone leaves.
Free, browser-based, no equipment needed
Simon Says plays entirely in your browser with just a webcam and room to move. There’s nothing to install, no gamepad, and no cost — great for family game night, a classroom energizer, or a quick active break at your desk.