Don’t ever go back and try to play Call of Duty 4: Modern Warfare on the Xbox 360. It’s a nightmare hellscape controlled by modders and hackers who have every perk and can find you through walls three sets of walls.

Developer Treyarch is taking a tough stance against such cheating in Call of Duty: Black Ops II, a futuristic first-person shooter that came out today for Xbox 360, PlayStation 3, and PC. Treyarch will permanently ban any Black Ops II player who modifies the game from playing online, according to the game’s Security and Enforcement Policy.

Additionally, Treyarch will erase the transgressing player’s stats and will block their username from appearing on the leaderboards.

This will have a bit more of an effect on Xbox 360 than the PlayStation 3, since Xbox Live users will have to keep buying subscriptions to the Microsoft’s Gold service if they want to make a new account and keep playing, while PlayStation Network users can make an unlimited number of accounts.

Treyarch will also report console modders to Microsoft and Sony and will report PC users to the Steam enforcement team.

Just say not to cheating, kids. Friends don’t let friends frag modded.