Portal: Flash Version : Defy the laws of time and space with your portal gun. NYBUM.com Games

Game Description:
Everybody in your factory is trapped inside the party room. It is up to you to save them all – by using your super cool paint gun of course!
Game Instructions:
WASD = Move
Mouse = Aim/Shoot
E = Collect paint
1,2,3 = Swap Colour