Here is the full list of all 44 Pentagonal Saloon Two achievements.
Solve the colorful rotator
Solve the valve puzzle
Solve the colorful valve puzzle
Solve the first light game
Solve the second light game
Push the snap fastener on correct order
Color the lines on the correct order
Memorize the silhouette
Rotate wheels on the correct order
Reveal the big picture
Reveal the password
Solve the cryptex
Reach the destination in the correct way
Rotate the rings on the correct order
Collect the Hat
Collect the Glass
Collect the Bracelet
Collect the Spartan Helmet
Collect the Police Hat
Exchange the Hats
Exchange the Glasses
Exchange the Bracelets
Exchange the Spartan Helmets
Exchange the Police Hats
Get the PS Bottle
Locate the bottle
Solve the puzzle