| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
Champion
Collect 30 trophies. |
1.7% | |||
|
Helga and Olaf
Defeat Colonels Helga & Olaf |
1.8% | |||
|
Ace Pilot
Collect 25 crowns. |
1.7% | |||
|
Golden Crown
Collect 5 crowns in any Score Mode mission. |
2.2% | |||
|
Hammerhead
Defeat Admiral Hammerhead. |
2.2% | |||
|
Hard Mission Complete
Collect 3 trophies in any Hard Mission. |
2.0% | |||
|
Score Mode
Unlock Score Mode for any mission. |
4.2% | |||
|
Boss Hunter
Collect 10 skulls. |
1.6% | |||
|
Nemesis
Collect 3 skulls in any Survival mission. |
1.9% | |||
|
Metal Sparrow
Collect 50% upgrades for your helicopter. |
1.6% | |||
|
Xartrax
Defeat Emperor Xartrax. |
1.7% | |||
|
Zhang
Defeat General Zhang. |
3.7% |