Top Ten Sky Force Upgrades
This list will let you support the best upgrades you deem necessary as well as fun to progress through the classic Sky Force. Vote em' all.The Top Ten
1 Plane Types
2 Side Cannons
3 Missiles
4 Laser
5 Upgrade Cards
6 Main Cannon
Impossible to ignore.
7 Mega Bomb
8 Shield
9 Magnet
10 Health
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