Here is the full list of all 18 AegisM achievements.
Use your Heal Base Magical Power to repair damage to your base.
Play on Christmas day to unlock the special Santa character.
Play on Halloween to unlock the Pumpkin character.
Play a game in December to unlock the freezing cold Snowman character.
Get 10,000 kills with the Cop character to unlock the Convict character.
Get 1,000,000 Arrow Tower damage
Get 1,000,000 Rocket Tower damage
Get 3,000,000 Flame Tower damage
Obtain level 35
Obtain level 40
Get 2,000,000 Grenade Tower damage
Get 5,000,000 Rifle damage
Get 10,000,000 Kappa Tower damage
Kill 10,000 skulls
Obtain level 75
Get 2,000,000 Machinegun Tower damage in one game
Obtain level 85
Obtain level 90