You killed a Rockstar in multiplayer.

You destroyed 50 Objects With a Grenade

You destroyed 50 Objects with an RPG Launcher

You successfully completed 10 action hijacks

Force an enemy into a Gravity Panel 5 times

Kill the Slug Boss

Complete Chapter 7 on any difficulty setting

You achieved maximum P.L.A.V. mood

You captured all outposts for a single faction

Resolve your conflict with the Jackal to facilitate the exodus

Wipe out the senior leadership of both Factions and determine who will be the new Warlords

Escape torture at the old slave outpost

Kill 30 enemies with the Pulse Rifle