Collect all trophies in game. | 80.40% 一般 | |
#10 Save 2 turrets Complete mission with at least 2 turrets left. |
81.30% 一般 | |
#11 Save 2 cities Complete mission with at least 2 cities left. |
81.30% 一般 | |
Score 50000 points in game. | 83.70% 一般 | |
#12 Complete a level Complete a level by destroying all alien ships. |
83.70% 一般 | |
Destroy half the alien ships in game. | 86.90% 一般 | |
Destroy an alien ship with center turret. | 94.00% 一般 | |
#7 Collect ammo Collect ammo power up. |
95.30% 一般 | |
Destroy alien ship dropping power up | 96.70% 一般 | |
Destroy an alien ship with left turret. | 97.20% 一般 | |
Destroy an alien ship with right turret. | 97.50% 一般 | |
Destroy bullet fired by alien ship. | 98.10% 一般 |