Combat Cheats
Cheat codes in Protector of Earth are formed by combinations of symbols that represent the five aliens you can play as in the game. The first cheat code, which is formed with the symbols "Cannonbolt," "Heatblast," "4arms" and "Heatblast," unlocks all combos for your use. In a game whose combat system mostly revolves around brawling, you will quickly find these combos to be very helpful. Another cheat code, "XLR8," "Heatblast," "Wildvine" and "4Arms," makes you invulnerable. You'll no longer have to worry about your health meter.
Alien Form Cheats
The two cheats in this category concern your capacity to change into alien forms. The cheat code "Wildvine," "4arms," "Heatblast" and "Wildvine" unlocks all five alien forms, allowing you to change into these forms at will. The next cheat code, "Cannonbolt," "Heatblast," "Wildvine" and "4arms," removes the timer when you change into alien forms, allowing you to remain in the alien form without limits.
Appearance Cheats
The cheat code "Cannonbolt," "Cannonbolt," "4arms" and "Heatblast" darkens the appearances of your characters, while "Wildvine," "4arms," "Heatblast" and "Cannonbolt" makes you characters translucent, giving you a better view of the scene.
Map Cheat
The final cheat code, "Heatblast," "XLR8," "XLR8" and "Cannonbolt," unlocks all locations on the map, allowing you to go wherever you want in whatever order you desire.