who has been the most influential third party developer?

[green_sky]

hinch said:

KungKras said:
A C T I V I S I O N

Learn 2 gaming history, dudes :P

What engine does Call of Duty 4 run on?

IW (Infinity Ward) 3.0 engine. It is basically a modified version ID Tech 3 engine by ID Software. First game based on ID Tech 3 was Quake 3 arena in 1999.