Here is the full list of all 28 The Bathrooms achievements.
Release all balloons in a single game
Collect a rubber ducky
Collect 10 rubber duckies in a single game
Collect 20 rubber duckies in a single game
Collect 30 rubber duckies in a single game
Collect all four golden collectibles in a single game
Receive a participation ribbon after completing the game
Receive a bronze trophy after completing the game
Receive a silver trophy after completing the game
Receive a gold trophy after completing the game
Receive a silver trophy on hard or nightmare difficulty
Receive a gold trophy on hard or nightmare difficulty
Complete the game on easy difficulty
Complete the game on normal difficulty
Complete the game on hard difficulty
Complete the game on nightmare difficulty
Complete game without picking up the clown gun
Reach game over
Find your friend in the Bathrooms
Escape the Bathrooms with your friend
Escape the Bathrooms without being captured
Collect 1,000 gold coins in a single game
Get captured inside a locked stall
Complete nightmare mode with a gold trophy
Collect the eggs
Successfully defend yourself with the clown gun
Disable the machine
Win a mega jackpot at a slot machine