Better Space Invaders (1999) (Rob Kudla)
Horizontally Scrolling Playfield Thing (Rob Kudla) (PD)
Space Invaders 2 (Space Invaders Hack)
Space Invaders (2002) (Ron Corcoran) (Space Invaders Hack)
T.F. Space Invaders (Space Invaders Hack)
Invaders From Space By David Marli (Space Invaders Hack)