게임 정보
- 50+ unique upgrades, all with interesting synergies!
- Ultimate Upgrades that add a twist to the endgame
- 7 unlockable levels spanning a range of difficulties
- Tons of hats, skins, and planes to customize your character with
- A couple of unique achievements for the insane!
Upgrades in the shop range from new towers, to health upgrades. Between waves you'll need to save up and purchase upgrades to get the job done. What you pick influences your Ultimate Upgrade options, so you can spec into certain areas!