Description:
Portal Quest is a a Portal (the Valve classic) rip-off . But of course, what is not rip-off nowadays. Admittedly, the great gameplay mechanics is hampered by a suspicious control scheme, but you'll get used to it, as you always do with games that you just can't resist playing no matter how sucky they are.

Instructions:
Move: WASD
Use: E
Aim: Mouse
Shoot: Left-click
Change color: Q / 1 / 2
Close portals: R / Esc