Unlocked all other achievements.
Completed all space missions.
Defeated the boss in co-op 'save the colony' mode.
Bought all the space blasters.
Survived for 5 minutes in co-op 'protect mother' mode.
Won a round in 'one shot' mode with one ammo remaining for the winner.
Unleashed the darkness punishment in 'to the death' mode.
Achieved a score of 30,000 in co-op survival mode.
Re-launched a comrade's space blaster.
Survived for 4 minutes in 'protect mother' mode.
Achieved a score of 60,000 in 'survival mode' or 'protect mother' mode.
Completed all turbo challenges.
Bought everything in the shop.
Defeated the boss and rescued all 33 survivors in 1 player 'save the colony' mode.
Completed 10 turbo challenges.
Bought something from the mini shop.
Saved 100 credits in the bank.
Completed all challenges.
Defeated the boss in survival mode.
Has seen all the enemies.
Achieved a score of 25,000 in survival mode.
Achieve a score of 15,000 in survival mode.
Achieved a score of 5,000 in survival mode.
Bought something from the shop.
Bought a space blaster.
Rescued 10 survivors in 'save the colony' mode.
Completed 5 turbo challenges.
Completed 10 challenges.
Rescued 1 survivor in 'save the colony' mode.
Used brake to come to a complete stop in 'save the colony' mode.
Survived for 3 minutes in 'protect mother' mode.
Survived for 2 minutes in 'protect mother' mode.
Completed 5 challenges.
Used a big bomb.
Got a 100-point combo in 'protect mother' mode.
Changed your space blaster's AI voice.