The Endless Tower Add-on for Adventurer Manager has 12 achievements.
Wonder what you could salvage those into? Make it to the first Crafting Floor
You did a thing! Enter the Endless Tower
Such a Unique Snowflake! Make it to the 25th Floor of the tower.
Glutton for punishment. Make it to the 50th Floor of the tower
You're the best around. Nothing's ever gonna keep you down. Make it to the 100th Floor of the tower
Anarchy in the ET! Kill 100 Bosses in the Endless Tower
A golden parachute didn't help. Kill 1000 Bosses in the Endless Tower
Paint the tower in blood! Kill 10000 Monsters in the Endless Tower
Evil incarnate fears you. Kill 50000 Monsters in the Endless Tower
Lucky! Gain 3 Gift Certificates from a single Boss