286 (486 reccomended)
200 KB of conventional memory
Shrinker (yellow one) - shrinks you to the half of the normal size
BigFoot (looks like a present) - enlarges you to double sized monster
Turbo (blue bottle) - you can run a bit faster
Noclip (red shaddow box) - lets you go to the other side...
Every powerup lasts for about 20 seconds. When it appears, it stays for about 3 secs on the screen.