| Stage | Level | XP | Unlockers | |
|---|---|---|---|---|
 |
Master Zombie Masher | 1 | 100 | 199 |
 |
Pro Zombie Persecutor | 5 | 500 | 1678 |
 |
Seasoned Zombie Smasher | 4 | 400 | 83 |
 |
Amateur Zombie Abolisher | 3 | 300 | 146 |
 |
Private Zombie Punisher | 2 | 200 | 464 |
 |
Rookie Zombie Remover | 1 | 100 | 3746 |