I'm pretty sure that those background noises are from Monty Python and the Holy Grail, when they are building the Trojan Bunny, but its just sped up, I think.
Great game, got fully upgraded machine guns and slow floors on top floor, enemies barely made it past the portal, was very fun, wish I used the cash gun more, though!
 "ScaryJump"){kind=icon}
 "Attack of thetapirs"){kind=icon}
 "kukurunhead"){kind=icon}
 "Eternal Red"){kind=icon}
 "Endless War 3"){kind=icon}
 "Platform Racing 2"){kind=icon}
 "Starfighter: Disputed Galaxy"){kind=icon}