Here is the full list of all 13 First Class Escape: The Train of Thought achievements.
Find All Collectibles
Collect the Gem
Complete Chapter 5
Find 20 Collectibles
Complete Chapter 4
Complete the Challenge Room
Complete Chapter 3
Admire some Bread
Complete Chapter 2
Find 10 Collectibles
Complete Chapter 1
Find 5 Collectibles
Complete Chapter 0