Show yourself to everyone! (beat Stage 1)
Become a star! (beat Stage 2)
Final step to the pantheon (beat Stage 3)
"I don't care if you are ten metres high. I will kill you anyway!" (kill a huge boss)
Every weapon is important! (buy every weapon)
"Huge robots are the best." (buy the mech)
Defense should be the best! (completely upgrade the wall)
"Cool guys don't look at explosion." (use the mass rockets attack)
Collect any 3 special abilities at the same time
...just business. (earn $50,000)
Kill 10 enemies
Kill 20 enemies
Kill 30 enemies
Get jetpack upgrade
Fail to protect the base