TAB select a different level 

ARROW KEYS to move around 
SPACE + ARROW KEYS to grab stuff remotely 
(WASD+SHIFT for player 2, some levels only) 
ENTER restarts the level 
ESCAPE quits the game right away 

F1 toggles music (I suggest listening to the whole track) 
F2 toggles fullscreen/window 

F6 saves a replay 
F5 loads and plays a replay 
