Quick Q & A. Q: What games do the rapid fire work for? A: Call of Duty 4: Modern Warfare 2 Call of Duty 4: Modern Warfare Call of Duty: World at War Gears of War 2 Halo 3 Halo 3: ODST Left 4 Dead 2 Left 4 Dead Grand Theft Auto IV Rainbow Six Vegas 2 Q: How do I operate the rapid fire? A: After toggling the mod on, simply pull and hold the Right Trigger! Q: Why does this controller have no buttons installed on it? A: We want the controller to have a factory built look and feel. It has no modified buttons on it because its modded features are hidden on the inside. Q: Can I get into trouble for using the mod? A: Absolutely not! This controller is 100% legal and 100% undetectable.