Pitfall: The Mayan Adventure Cheats

Master code:)
In the title screen, push L, Select, A, Select, R, A, L, Select to unlock cheat mode.

Level select:)
After activating the MASTER CODE, push L or R to pick a level. Press Left to highlight START to begin playing at the selected level.

All weapons:)
After enabling the MASTER CODE, start playing the game on any level. Now press and hold Select and push B while playing the game to get 99 of each weapon.

Free movement:)
After enabling the MASTER CODE, start playing the game on any level. Now press and hold Select and push the D-pad while playing the game to move in any direction.

Lakamul Rain Forest level:)
In the title screen, push A, L, A, R, A, L, Select, Select, Start.

Nine continues:)
Repeatedly push Start at the continue screen until the remaining number of continues increases to nine. Alternately, intentionally lose all your lives while playing the game in level 1, then push B, B, B at the continue screen.