Here is the full list of all 14 It's a Wrap! achievements.
Shoot all crates
It might be time to ask for help
Finish "Ace Avanti and the Very Last Curse"
Finish "Big Trouble in Space"
Finish "Cold as Hell"
Finish all Scenes
You're not supposed to fall, Johnny
Explore the top of the Mountain
Find the Captain's cabin
Explore the depths of the Mines
Explore the Temple of Croa
Find the prop graveyard
Explore the office
Find all secret rooms