Here is the full list of all 30 Abomination Tower achievements.
Level Three Complete
Unlocked 'Air head'
50 deaths!
Unlocked 'Speed demon'
Level Two Complete
Level One Complete
Unlocked 'Save my butt'
Level Four Complete
Level Five Complete
Level Six Complete
Level Seven Complete
Level Eight Complete
Level 9 Complete
Level 10 Complete
All the way back down
Unlocked 'Bucket'
Unlocked 'Flappy ears'
Unlocked 'Biter'
Unlocked 'All seeing'
Unlocked 'Spiker'
Unlocked 'Golden ego'
Unlocked 'Already dead'
A century!
200 deaths
500 deaths
1000 deaths
Finished Hardcore mode!
Finished Hard Mode!
Finished Normal Mode!
Finished Easy Mode!