Snake Rattle 'N Roll
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SXEYOZVG Freeze timer
AGNNVXTT Faster timer
EPNNVXTT Slower timer
AEXAYZZA 1 life, both players
IEXAYZZA 6 lives, both players
AEXAYZZE 9 lives, both players
AEUAETZA 1 life, both players, after continue
IEUAETZA 6 lives, both players, after continue
AEUAETZE 9 lives, both players, after continue
PEUEGXNY Start at level 2
ZEUEGXNY Start at level 3
LEUEGXNY Start at level 4
GEUEGXNY Start at level 5
IEUEGXNY Start at level 6
TEUEGXNY Start at level 7
SLOUSVVS Infinite lives, both players
ZAXOSGPA Super jump
LAXOSGPA Mega-jump