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