Toplam 29 tane 4. aşama geliştirme vardır. Bunlar:
- Annihilator
- Auto 5
- Auto Gunner
- Auto Smasher
- Auto Trapper
- Battleship
- Booster
- Factory
- Fighter
- Gunner Trapper
- Hybrid
- Landmine
- Manager
- Mega Destroyer
- Mega Smasher
- Mega Trapper
- Necromancer
- Octo Tank
- Overlord
- Overtrapper
- Penta Shot
- Predator
- Ranger
- Rocketeer
- Skimmer
- Spike
- Sprayer
- Spread Shot
- Stalker
- Streamliner
- Tri-Trapper
- Triple Twin
- Triplet
- X Hunter