Modifying video games is a pastime almost as old as video games themselves. These altercations are capable of doing a variety of things. Some might fix an issue with the game, as was the case with the evasion stat in Final Fantasy VI. Some might add multiplayer elements. Others might just increase the difficulty of the game. Huge mods can change the game entirely, creating something that is a radical departure from the original game. Here are five of the coolest mods ever made.