My main exposure to this technique was with the various in-game plugins one could install on a hacked Sony PSP. Even though I had an interest in programming fr

My main exposure to this technique was with the various in-game plugins one could install on a hacked Sony PSP. Even though I had an interest in programming from a young age, before learning how to use those plug-ins, it hadn't really dawned on me that everything in the game, like your health, location, stats, and even your characters current action, were all states stored in memory somehow. Using those plugins (or similar), you can narrow down and manipulate all sorts of values. Infinite ammo? Just lock the value to something greater than 0. Even just locking the height value of your position opened up interesting avenues because you could circumvent gravity in a way that was relatively easy to find. Tangentially, if this sort of thing entertains you as it does me, the magic system in the Magic 2.0 book series by Scott Meyer effectively works like a cheat engine.