Using third-party software like a for Call of Duty: Modern Warfare 3 presents a major conflict with the game's strict anti-cheat infrastructure. While players looking for an edge often search for these tools, downloading or executing any "trainer" script for modern Call of Duty titles introduces extreme risk to your gaming setup.

The bread and butter. On Veteran difficulty, Delta Force operatives drop you in three shots. With Fling, you can stand in the open during the "Dust to Dust" mission or tank grenades in the Prague safehouse.