Syphon Filter: The Omega Strain

The hero of the first three Syphon Filter games, Gabe Logan has recruited a new counter-terrorist organization called IPCA. Throughout majority of the game you control the recruits. However, you play as Gabe in one mission. Out of the 17 missions, you can play about half of them online. The missions are large and take place all over the world. The main focus of the game is on weapons. The game was basically developed with online in mind.