Knife
Pistol
Pistol Ammo
Fusion Pistol
Fusion Pistol Ammo
Assault Rifle
Assault Rifle Bullets
Assault Rifle Grenades
Rocket Launcher
Rockets
Invisibility Powerup
Invincibility Powerup
Infravision Powerup
Alien Weapon
Alien Weapon Ammo
Flamethrower
Flamethrower Ammo
Extravision Powerup
Oxygen Powerup
Energy Powerup x1
Energy Powerup x2
Energy Powerup x3
Shotgun
Shotgun Ammo
S'pht Door Key
Uplink Chip 

Light Blue Ball
Red Ball (the skull)
Violet Ball
Yellow Ball
Brown Ball
Orange Ball
Blue Ball
Green Ball 

SMG
SMG Ammo 
