Duotris
Duotris is a tetris game for the Commodore 64 that was released in 1991. The game was developed by Christoph Cemper and published by CP Verlag/Game On.
Now you can play Duotris online, directly in your web browser! Our Commodore 64 emulator brings this retro gaming experience to life without requiring any downloads or plugins. Just click "Start Game" and enjoy this piece of gaming history.
Joystick 1:
- Left: A
- Right: D
- Up: W
- Down: S
- Fire: Left SHIFT
Joystick 2:
- Left: ←
- Right: →
- Up: ↑
- Down: ↓
- Fire: Left CTRL
We offer no C64 downloads due to copyright.
Getting Started
Click the "Start Game" button to load Duotris directly in your browser. This Tetris game from 1991 runs using our Commodore 64 emulator - no downloads, plugins, or installation required.
Game Controls
Use the keyboard controls shown in the Joystick Controls section above. By default:
- Movement: WASD keys or Arrow keys
- Action/Fire: Left SHIFT or Left CTRL
- Switch Joysticks: Click the joystick swap icon if the controls don't respond
Tips for Best Experience
- Click the fullscreen button for an immersive gaming experience
- Use the save/load snapshot buttons to save your progress
- Adjust sound using the volume control icon
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Configuration
If you enjoyed Duotris, try these other Tetris games:
