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