25 achievements for 1000 Gamerscore
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Initialized
You have destroyed your first enemy
5 Gamerscore
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Backdoor Access
You have hacked your first Backdoor
10 Gamerscore
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"I'll be back"
You have survived your first A.I. Encounter
10 Gamerscore
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Facehugger
You have defeated the Facehugger
15 Gamerscore
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Mainframe Access
You have accessed the Mainframe
20 Gamerscore
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Breach
You have annihilated Mainframe defenses
30 Gamerscore
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Cybernaut
You have completed the Arcade Mode
100 Gamerscore
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Neuromancer
You have completed the Arcade Mode without using any Backdoor
150 Gamerscore
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Laserdisk 24X
You have gained a x24 multiplier
15 Gamerscore
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Laserdisk 32X
You have gained a x32 multiplier
25 Gamerscore
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Security Expert
You have obtained the maximum level shield
30 Gamerscore
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Brute Force
You have obtained the maximum level weapon in Endless Mode
30 Gamerscore
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Terminator
You have killed 100 enemies
50 Gamerscore
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Champions don't use drugs
You have collected 100 power-ups
25 Gamerscore
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Mirror Master
You have made 100 bullets bounce
35 Gamerscore
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Debris Master
You have destroyed 200 yellow debris
50 Gamerscore
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System Access
You have reached the 1st Mainframe Sector
15 Gamerscore
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Sector [5]
You have reached the 5th Mainframe Sector
30 Gamerscore
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SYSTAdmin
You have reached the 10th Mainframe Sector
50 Gamerscore
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256 MB
You have collected 262,144 Kb
30 Gamerscore
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512 MB
You have collected 524,228 Kb
40 Gamerscore
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1 GB
You have collected 1,048,576 Kb
60 Gamerscore
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Firewalker
You have hacked a Backdoor in Endless Mode
25 Gamerscore
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Survivor
You survived 5 minutes in Endless Mode
50 Gamerscore
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Stack Overflow
You survived 10 minutes in Endless Mode
100 Gamerscore