| Upgrade | % Correct |
|---|---|
| Centered Path | 86%
|
| Flying Fortress | 86%
|
| Sharper Darts | 86%
|
| Exploding Pineapple | 71%
|
| Neva-Miss Targeting | 71%
|
| Spectre | 71%
|
| Tsar Bomba | 71%
|
| Goliath Doomship | 57%
|
| Ground Zero | 57%
|
| Lots More Darts | 57%
|
| Operation: Dart Storm | 57%
|
| Sky Shredder | 57%
|
| Bomber Ace | 43%
|
| Fighter Plane | 43%
|
| Rapid Fire | 43%
|
| Spy Plane | 43%
|