You have destroyed your first enemy

You have hacked your first Backdoor

You have survived your first A.I. Encounter

You have defeated the Facehugger

You have accessed the Mainframe

You have annihilated Mainframe defenses

You have completed the Arcade Mode

You have completed the Arcade Mode without using any Backdoor

You have gained a x24 multiplier

You have gained a x32 multiplier

You have obtained the maximum level shield

You have obtained the maximum level weapon in Endless Mode

You have killed 100 enemies

You have collected 100 power-ups

You have made 100 bullets bounce

You have destroyed 200 yellow debris

You have reached the 1st Mainframe Sector

You have reached the 5th Mainframe Sector

You have reached the 10th Mainframe Sector

You have collected 262,144 Kb

You have collected 524,228 Kb

You have collected 1,048,576 Kb

You have hacked a Backdoor in Endless Mode

You survived 5 minutes in Endless Mode

You survived 10 minutes in Endless Mode