Enemies
| Enemy | Description | Wave |
|---|---|---|
 |
Default enemy | from 1 to 5 |
 |
Enemy with increased health | from 2 to 7 |
 |
Enemy with increased speed | from 3 to 9 |
 |
Enemy with increased health | from 4 to 9 |
 |
Boss enemy with the most increased health | every 5 |
 |
Enemy with armour that protects him from freezing | from 6 |
 |
Explodes upon death and deals damage to everything nearby | from 7 |
 |
Invisible enemy Use radars to uncover him |
from 8 |
 |
After his death spawns three more another mini-enemies | from 11 |
 |
Heals nearby enemies when damaged | from 13 |
 |
Enemy with auto health regeneration | from 16 |
 |
Enemy with increased health and damage | from 18 |