A malware art project  posing as a Space Invaders-style game for Macs  eliminates a file from the hard drive for every alien users destroy in the game. The game, Lose/Lose,  is upfront about its purpose, displaying a warning in red letters at the start of play. Security companies have added the game to their blocked programs lists and say that it would be easy for other people to modify the game for malicious purposes. (Register)