Controls

Player 1
W– Jump (during gameplay), crouch (as Rex209 Professor or Rex209 Blue), go up on to ceiling (if ceiling can be touched in one jump; only as Rex209 Professor or Rex209 Blue), move up (while selecting character)
A– Move left (during gameplay), move left (while on character selection screen)
S– Crouch (during gameplay), go down (on character selection screen)
D– Move right (during gameplay), move right (during character selection screen)
Q – Use weapon (during gameplay), use melee attack (during gameplay, when near a player), select character (on character selection screen)
Player 2
Up– Jump (during gameplay), crouch (as Rex209 Professor or Rex209 Blue), go up on to ceiling (if ceiling can be touched in one jump; only as Rex209 Professor or Rex209 Blue), move up (while selecting character)
Left– Move left (during gameplay), move left (while on character selection screen)
Down– Crouch (during gameplay), go down (on character selection screen)
Right– Move right (during gameplay), move right (during character selection screen)
? – Use weapon (during gameplay), use melee attack (during gameplay, when near a player), select character (on character selection screen)
Player 3 (Nitrome Touchy only)
D-pad – Move
Button one – Jump
Button two – shoot
Player 4 (Nitrome Touchy only)
D-pad – Move
Button one – Jump
Button two – shoot

Nitrome Touchy

D-pad – Move
Button one – Jump
Button two – shoot