Use a big bomb.

Re-launch a comrade’s space blaster.

Change your space blaster’s AI voice.

Buy something from the shop.

Complete 5 challenges.

Use brake to come to a complete stop in ‘save the colony’ mode.

Save 100 credits in the bank.

Score 30,000 in co-op survival mode.

Score 25,000 in survival mode.

Buy a space blaster.

Win a round in ‘one shot’ mode with one ammo remaining for the winner.

Buy something from the mini shop.

Get a 100-point combo in ‘protect mother’ mode.

Complete 5 turbo challenges.

Complete 10 challenges.

Score 15,000 in survival mode.

Score 5,000 in survival mode.

Survive for 3 minutes in ‘protect mother’ mode.

Survive for 2 minutes in ‘protect mother’ mode.

Rescue 10 survivors in ‘save the colony’ mode.

Rescue 1 survivor in ‘save the colony’ mode.

Score 60,000 in ‘survival mode’ or ‘protect mother’ mode.

Defeat the boss & rescue all 33 survivors in 1 player ‘save the colony’ mode.

Complete all turbo challenges.

Complete all challenges.

Complete all space missions.

See all enemies.

Buy everything in the shop.

Buy all space blasters.

Defeat the boss in co-op ‘save the colony’ mode.

Defeat the boss in survival mode.

Survive for 5 minutes in co-op ‘protect mother’ mode.

Survive for 4 minutes in ‘protect mother’ mode.

Unleash the darkness punishment in ‘to the death’ mode.

Complete 10 turbo challenges.

Unlock all other achievements.