Here is the full list of all 38 LEGO Indiana Jones 2: The Adventure Continues achievements worth 1,000 gamerscore.
Complete the game to 100% (Single Player Only)
Complete all Bonus Levels in Crusade Hub.
Find all the Artifacts in the game. (Single Player Only)
Create a validated Builder level.
Use Scholar access 10 times.
Complete all Story Levels in Quick Play modes. (Single Player Only)
Defeat 50 Russians with Mutt.
Edit a Bonus level in the Builder.
Complete Hangar 51 in under 5 minutes.
Unlock all of the enemies in the game. (Single Player Only)
Complete all Treasure Mode Levels in Crusade Hub.
Unlock all of the vehicles in the game. (Single Player Only)
Complete all plane races. (Single Player Only)
Unlock the Grail Knight. (Single Player Only)
Complete all Bonus Levels in Temple of Doom Hub.
Complete all Treasure Mode Levels in Temple of Doom Hub.
Complete all Bonus Levels in Raiders Hub.
Complete all Treasure Mode Levels in Raiders Hub.
Unlock the Interdimensional Being. (Single Player Only)
Complete all Bonus Levels in Skull 2 Hub.
Complete all Bonus Levels in Skull 3 Hub.
Complete all Treasure Mode Levels in Skull 3 Hub.
Fire a Bazooka 100 times.
Destroy Indy 3 times with Mac.
Destroy Indy with Spalko.
Complete all Treasure Mode Levels in Skull 2 Hub.
Complete all Bonus Levels in Skull 1 Hub.
Complete all Treasure Mode Levels in Skull 1 Hub.
Create a customised character.
Complete a "Build Your Own Adventure".
Complete the Builder Tutorial levels.
Complete all Story Mode Levels in Crusade Hub.
Complete all Story Mode Levels in Temple of Doom Hub.
Complete all Story Mode Levels in Raiders Hub.
Destroy 100 enemy vehicles.
Complete all Story Mode Levels in Skull 3 Hub.
Complete all Story Mode Levels in Skull 2 Hub.
Complete all Story Mode Levels in Skull 1 Hub.