COMPUTER OR TABLET REQUIRED

This laboratory needs a bigger screen.

Phones are not supported. Please play on a computer or tablet.

YOUR LABORATORY IS READY

Choose your room

Click a room below to enter and start playing.

WASD move · Mouse look · C toggle crouch / hold Ctrl · E or click use your laboratory terminal.
Computer: keyboard and mouse. Tablet: drag to look and use the arrow controls. Phones are not supported.

Try the new reaction studio →

Choose your room

One click picks your room and starts the game.

Materials collide and stack. Lava heats and melts; water cools and boils. Cement is loose powder. Add water: it turns to fixed stone after 2 minutes.