Quote Originally Posted by Azathoth View Post
How about a game where, for every enemy you defeat, you grow weaker?
Why not go one step further? Lose/Lose is a game where, if you kill an alien, a random file on your computer is deleted. This could be anything, including valuable OS files.

If you want to cheat,
Spoiler Alert, click show to read: 
load it up in a VirtualPC. Nothing will be lost.