Here is the full list of all 49 Robert Ludlum's The Bourne Conspiracy achievements worth 1,000 gamerscore.
Defeat 200 opponents in hand-to-hand without performing a takedown
Defeat 100 opponents with contextual takedowns
Finish off 200 opponents using shooting takedowns
Finished a mission with an accuracy below 10%
Finished 3 missions with an accuracy of at least 90%
Finish off 50 opponents using shooting takedowns
Finished a mission with an accuracy of at least 90%
Finished a mission without using a shooting takedown
Finish a mission without using any hand-to-hand takedowns
Finished a mission with an accuracy of at least 75%
Defeat 100 opponents in hand-to-hand without performing a takedown
Finish off 200 opponents using hand-to-hand takedowns
Take out multiple opponents with one takedown 30 times
Completed all campaign missions on Agent or higher
Completed all campaign missions on Trainee or higher
Completed all campaign missions on Assassin
Completed Treadstone Safehouse
Collect all Passports
Collected all Passports in Treadstone Safehouse
Completed Survive the Professor
Collected all Passports in Survive the Professor
Collected all Passports in Disarm Renard
Completed Disarm Renard
Completed Paris Chase
Use three full bars of Adrenaline while driving through the streets of Paris
Rampage through Paris: Destroy the cafe, china shop, and 200 props
Completed Castel Fight
Completed Silence Rurik
Destroy 50 explodables
Collected all Passports in Silence Rurik
Finish off 50 opponents using hand-to-hand takedowns
Completed Escape the Embassy
Collected all Passports in Escape the Embassy
Defeat 20 opponents with contextual takedowns
Completed Eliminate Divandelen
Collected all Passports in Eliminate Divandelen
Kill 150 enemies with headshots
Collected 30 Passports
Completed Assassinate Wombosi
Collected all Passports in Assassinate Wombosi
Destroy 10 explodables
Completed Shipyard Infiltration
Collected all Passports in Shipyard Infiltration
Defeat 50 opponents in hand-to-hand without performing a takedown
Kill 25 enemies with headshots
Collected all Passports in Dangerous Beginning
Take out multiple opponents with one takedown 3 times
Collected 5 Passports
Completed Dangerous Beginning