Gex Cheats (PC)

Final Battle Code-CZYDRHYP
  Stage Skip-At any map screen press start and then hold R shift button and press start
right right down right up L shift button A left left!
  While in any stage press start and enter any of these codes-
  99 lives - Hold R press up up down right A down
  Invincibility - Hold R press B A down A down down down up down right
  Fire Shots - Hold R press C up right right Y B up right up
  Ice Shots - Hold R right Y right down right right B left up right
  Electric Shots - Hold R press down up start right right Z A start start
  right right High Jump - Hold R press down up start right right down L right start
  Super Speed - Hold R press right X L right A down start right right down

  Level Codes
  TXZFKHGP - Cemetery, Stage 4, "Disco Inferno"
  CYRFYHGP - New Toonland, Stage 1, "Twin Towers"
  BYTCYHGP - New Toonland, Stages 2 and 3, "Pow!" and "Rock It!"
  CXGCSHKP - New Toonland, Stage 5, "The Flatulator" (The boss)
  DXHCSHKP - Jungle Isle, Stage 1, "Feeding Frenzy"
  TXKLPHKP - Jungle Isle, Stage 2, "Congo Chaos"
  DXBLPHKP - Kung Fuville, Stage 1, "Sumo City"
  HZVYRHKP - Rezopolis, Stage 1, "Rez Knight Fever"
  CZYDRHYP - Rezopolis, Stage 3, "Rez' Lair" (The final boss)