Destroy your first enemy

Hack your first Backdoor

Survive your first A.I. Encounter

Defeat the Facehugger for the first time

Access the Mainframe for the first time

Annihilate Mainframe defences

Complete the Arcade Mode for the first time

Complete the Arcade Mode without using any Backdoor

Gain a x24 multiplier in Arcade Mode

Gain a x32 multiplier in Arcade Mode

Obtain the maximum level shield

Obtain the maximum level weapon in Endless Mode

Kill at least 100 enemies

Collect 100 power-ups

Make 100 bullets bounce

Destroy 200 yellow debris

Access the 1st Mainframe Sector in Endless Mode

Access the 5th Mainframe Sector in Endless Mode

Access the 10th Mainframe Sector in Endless Mode

Collect 262,144 Kb in Endless Mode

Collect 524,228 Kb in Endless Mode

Collect 1,048,576 Kb in Endless Mode

Hack a Backdoor in Endless Mode

Survive at least 5 minutes in Endless Mode

Survive at least 10 minutes in Endless Mode