Sure, invincibility is nice. Infinite ammo and armor are pretty useful, too. Level skipping is a lazy gamer's dream come true.
Cheating, though, can be so much more! Why ask for an extra life when the right code will give you an entire army, or the power of a god? Why settle for a shortcut when hidden humor, violence, sex and evil are waiting to be discovered? Why bother with mirrored maps or secret difficulty settings when a truly "special mode" will modify your favorite game beyond recognition?
The following cheats, patches, filters and bonuses unlock way more than a little help - they unlock whole new experiences.