Pac Man
SZEKKIVG Both players have infinite lives
VTGKVZ 1 life for player 2
AYVITOGL Power pills last longer
AZVITOGL Power pills don't last as long
ATXTZASZ Power pills don't work
IAXVYEYE Only 3 ghosts are edible
PAXVYEYE Only 2 ghosts are edible
SZEKKIVG Both players have infinite lives
VTGKVZ 1 life for player 2
AYVITOGL Power pills last longer
AZVITOGL Power pills don't last as long
ATXTZASZ Power pills don't work
IAXVYEYE Only 3 ghosts are edible
PAXVYEYE Only 2 ghosts are edible