Collect all trophies in game.
Complete a level in game.
Fly halfway through the level.
Gain extra health from score.
Destroy 2 squadrons of enemy ships.
Destroy a squadron of enemy ships.
Destroy enemy ship or meteor by multi shot.
Destroy enemy ship or meteor by power shot.
Destroy 2 enemy ships while flying.
Destroy an enemy ship while flying.
Destroy 2 meteors while flying.
Destroy a meteor while flying.