Here is the full list of all 29 Tower 57 achievements.
You have completed the game.
You found all the loot crates in the Upper Floors.
You have unlocked the Upper Floors.
You have unlocked the Biolab.
You have unlocked the Ministry of Rehabilitation.
You have unlocked the Sweatshop.
You have unlocked Pristine Pools.
You've played at least once with every character.
You revived a dead character.
You won over 10 Nagel Games.
You lost over $500 playing the Cup Game.
You won over 10 Cup Games.
You have unlocked the Canal.
You killed the train conductor.
You won over 10 Darts Games.
You found all the loot crates in the Canal.
You found all the loot crates in Pristine Pools.
You found all the loot crates in the Sweatshop.
You found all the loot crates in the Ministry of Rehabilitation.
You found all the loot crates in the Biolab.
You revived all characters at least once.
You have been carried by another player.
You have carried a legless player on your back.
You used your special attack 50 times.
You have completed the game with all characters.
Never surrender!
You gambled, you won!
You rescued the princess!
You are the true savior of Tower 57!