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to keep track of what you have here — unlocked entries stay ticked off, and you can filter down to what is left.
Data from Steam — Steam Web API Terms of Use. Last updated .
| Achievement | How to unlock | Unlocked by | Rarity |
|---|---|---|---|
| Kill 100 enemies in the shock | 54.8% | Common | |
| Kill a total of 5,000 units | 55.2% | Common | |
| Complete a level with less than 5% Tower health remaining | 61.3% | Common | |
| Hear the clock toll | 73% | Common | |
| Kill a total of 500 units |
| Common |
| Complete a level without taking any damage to the tower | 85.4% | Common |