Obviously, mods to prevent corruption are the most important, followed by fixes for game-breaking bugs, and so on. I’ve compiled a list of mods that work with The Sims 2 Ultimate Collection, and organized them based on how essential they are for your game. Unfortunately just getting The Sims 2 game installed won’t be enough to keep it running smoothly - we are talking about a game that came out over 15 years ago now!