From Chuck's Challenge
Chuck's Challenge has some nifty keyboard shortcuts to help you get to common tasks quickly.
While Playing Levels
- Ctrl or R: Restart the current level
- Backspace: Undo the last move
- Esc or P: Pause the game
- Arrow Keys or WASD: When the game is paused, you can use your keyboard's arrow keys to select an options from the pause menu to quickly get to next or previous level, restart current level, and more. Press Enter to activate your selected menu item.
- Enter: When you complete a level, press enter to automatically go to the next level.