Five months ago, modder H1Vltg3 gave us an Iron Man script for Grand Theft Auto IV, and it was already loads better than the official Iron Man movie-game of 2008. With another five months' worth of polish, it's even better.
Repulsor rays and the chest beam have better sound effects and a lot more oomph. Jarvis talks to you when you slam into the ground or the side of a building. Melee attacks look like someone's really getting hit by powered armour.
Want to play? Download it here.