| Achievement | How to unlock
|
|---|
| Beat Easy (2) | Win 9 of the Easy Levels
|
| Beat Hard (15) | Beat 9 Hard Levels
|
| Beat Medium (10) | Beat 9 Medium Levels
|
| Blue Thunder (5) | Upgrade a Laser Tower to Level 7
|
| Close Call (5) | Score a x50 Multiplier Bonus from a Creep
|
| Easy Owned (10) | Beat 9 Easy Levels without losing a life on any (excluding endless Levels)
|
| Easy Start (1) | Beat any Easy Level
|
| Flux Vortex (5) | Upgrade a Vortex Tower to Level 7
|
| Green Machine (5) | Upgrade a Blaster Tower to level 7
|
| Hard Owned (85) | Beat 9 Hard Levels without losing a single life (excluding endless Levels)
|
| Hard Start (7) | Beat any Hard Level
|
| Medium Owned (30) | Beat 9 Medium Levels without losing a single life (excluding endless Levels)
|
| Medium Start (5) | Beat any Medium Level
|
| Red Menace (5) | Upgrade a Missile Tower to Level 7
|
| Shock and Awe (5) | Upgrade a Shock Tower to Level 7
|
| Turret Happy (5) | Place every type of Turret in a single Level and win
|