|stop playing / display frame by frame||[Enter] key, once per frame|
|simulate right click||[CTRL] key + left click|
|change how Joints are displayed||[J] key (only on Powder Game 2)|
Before ver5.8 on the original Powder Game, these other shortcut keys were available, which have since been disabled to make space for the second player controls:
The shortcut key for Load (the [L] Key) was also removed in version 5.8, but it was restored in a later update.