Here is the full list of all 12 First Class Escape 2: Head in the Clouds achievements.
Enter the correct coordinates
Find All 25 Collectibles
Find the Hidden Room
Try to play the slot machine
Find 20 Collectibles
Reach B-Wing
Find 15 Collectibles
Gain Entry to the Agent's Room
Find 10 Collectibles
Reach A-Wing
Find 5 Collectibles
Escape the Storage Room