Complete each achievement to get the allotted gamerscore.
Unlockable How to Unlock Combo Meal (10) Destroyed at least 21 invaders in a row. First Taste of Victory (10) Won an online match for the first time. Goliath Killer (10) Defeated the first Boss Invader. Hero of Nagoya (25) Achieved 1 ROW using the Nagoya Attack technique. Hot Streak (15) Triggered at least 4 rounds of Fever Time. Lieutenant Rank A (10) Achieved Rank A at the end of a level. Lone Wolf Victory (15) Completed the game in Arcade Mode. Space Commander Rank S (25) Achieved Rank S 3 times. Space Invader Veteran (20) Won 25 online matches in VS Mode. Sure Shot (10) Defeated a wave of invaders without missing a shot. Take That! (30) Defeated a Boss Invader without missing a shot. Team Victory (20) Completed the game in Co-op Arcade mode.
Contributed By: Guard Master.
Unlock Game Modes
Unlockable How to Unlock Endless Mode Beat Extreme mode once. Extreme Mode Beat all 11 stages. This requires multiple playthroughs to go through all branching pathways.
Contributed By: Michael Kelehan.
Know Something We Don't?
You can submit new cheat codes for this game using our Cheat Submission Form.
Have We Been Fooled?
If you see a non-working or fake code in the list above, let us know by using our Problem Submission Form.
More Space Invaders Extreme from GameSpot