| Achievement | Unlocked | Global Unlocks | |
|---|---|---|---|
|
Economical Clear 10 consecutive scenes while maintaining 3 lives or higher |
7 | ||
|
Victory Repel the alien invasion |
5 | ||
|
Bonus III Reach Scene 15 |
8 | ||
|
Surpassed Exceed the author's high score of 23,000 points |
6 | ||
|
Risk-averse Score the lowest possible score in Scene 1 without losing a ship |
16 | ||
|
Bonus V Reach Scene 25 |
5 | ||
|
Bonus I Reach Scene 5 |
14 | ||
|
Bonus II Reach Scene 10 |
11 | ||
|
Bonus IV Reach Scene 20 |
7 | ||
|
Sharpshooter Score at least 2000 points in Scene 1 |
7 |