Next week brings another themed set of XBLA deals, this time it’s all about killing aliens! With the exception of Geometry Wars Retro Evolved 2 which isn’t strictly about aliens.But who can argue when the deals are this good?

Check out the deals below, which will be running from February 7th til the 13th.

Duke Nukem Manhattan Project, 400 Microsoft Points (50 percent off)

Space Invaders Infinity Gene, 400 Microsoft Points (50 percent off)

Geometry Wars: Retro Evolved 2, 400 Microsoft Points (50 percent off)

Serious Sam HD: The First Encounter, 400 Microsoft Points (67 percent off)

Serious Sam HD: The Second Encounter, 400 Microsoft Points

Galaga Legions, 400 Microsoft Points (50 percent off)

Source – Major Nelson via Joystiq