Full list of all 48 Far Cry 2 achievements worth 1,000 gamerscore. It takes around 80-100 hours to unlock all of the achievements on Xbox 360.
Resolved your conflict with the Jackal facilitated the exodus
Entered the Heart of Darkness
Wiped out the senior leadership of both Factions and determined who would be the new Warlords
Aquired all conflict diamonds in the game available through payment or exploration
Purchased the manuals and acquired the bandoliers for every weapon
Escaped torture at the old slave outpost
Subverted all the main faction missions in Bowa-Seko - the Southern Territory
Rescued all the Buddies from their respective predicaments
Completed all the available Underground side-quests in both the North and the South
Switched sides in Bowa-Seko - the Southern Territory
Completed all Missions intercepted from cellular tower signals
Unlocked all weapons by hitting every Convoy
Broke the ceasefire and reignited the conflict
Turned over all of the Jackal's audio logs to the Journalist
Found all the Safe Houses in Bowa-Seko - the Southern Territory
Purchased the manuals and acquired the bandolier for one weapon
Entered every 1 square kilometer map region of the world
Escaped to Bowa-Seko - the Southern Territory
Killed a Faction Captain in Leboa-Sako - the Northern Territory
Subverted all the main faction missions in Leboa-Sako - the Northern Territory
Delivered stamped travel documents to the Underground in exchange for medicine
Switched sides in Leboa-Sako - the Northern Territory
Worked with a Buddy to subvert a mission offered by a faction
Completed a Buddy side quest
Completed a Mission intercepted from a cellular tower signal
Saved a Buddy from a mortal wound
Comforted a Buddy and eased his passing
Unlocked new weapons by hitting a Convoy
Turned over the first set of the Jackal's audio logs to the Journalist
Found all the Safe Houses in Leboa-Sako - the Northern Territory
Got rescued by a Buddy
Unlocked field manuals for all weapons (Ranked match)
Achieved Rank 30
Saved a Buddy from captivity
Downloaded and rated 25 usermaps
Created a map and got it validated in all game modes
Won a round as the Captain in Uprising mode
Reached Rank 20 (Ranked Match)
Won a match with 16 players (Ranked Match)
Played at least one full round in every Official Map
Played at least one full round in every Game Mode
Got 500 revives (Ranked Match)
Reached Rank 10 (Ranked Match)
Most revives in a single ranked match
Got highest xp total in one match (Ranked Match)
Reached Rank 5 (Ranked Match)
Upgraded one class 3 times (Ranked Match)
Escaped the Town