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