Here is the full list of all 30 Tom Clancy's Rainbow Six Vegas 2 (DE) achievements worth 1,000 gamerscore.
Create your own custom camouflage.
Achieve the rank of Elite
Achieve the rank of Officer
Rescue both Hostages 10 times in Attack & Defend with at least 6 players present.
Extract the intel item 10 times with at least 6 players present
Defuse 10 bombs in Attack & Defend with at least 6 players present.
Win 100 adversarial matches with at least 6 players present.
Host and win 10 matches with at least 6 players present.
Plant and detonate 10 bombs in Attack & Defend with at least 6 players present.
Win 3 consecutive ranked matches in a row.
Win 2 ranked matches in a row.
Win your first ranked match online.
Lead your team to Victory 20 times in Team Leader with at least 6 players present.
Complete 10 scenes as Bishop's teammate, Knight, in co-op Story mode at any difficulty.
Complete 5 scenes as Bishop's teammate, Knight, in co-op Story mode at any difficulty.
Complete a scene as Bishop's teammate, Knight, in co-op Story mode at any difficulty.
Complete all Terrorist Hunt missions on Realistic difficulty.
Complete the Story Mode on Realistic difficulty.
Complete Estate in Story Mode at any difficulty.
Complete Nevada Desert in Story Mode at any difficulty.
Complete Theater in Story Mode at any difficulty.
Complete Convention Center in Story Mode at any difficulty.
Complete Recreational Center in Story Mode at any difficulty.
Complete 5 Terrorist Hunt missions at any difficulty.
Complete a Terrorist Hunt mission at the hardest difficulty.
Complete your first Terrorist Hunt mission at any difficulty.
Complete Old Vegas in Story Mode at any difficulty.
Use the Xbox Live Vision to create a character with your appearance.
Complete Pic des Pyrénées in Story Mode at any difficulty.
Achieve the rank of Private First Class.