Destroy 1 000 enemies.

Destroy 2 500 enemies.

Destroy 10 000 enemies.

Rescue 500 people.

Rescue 100 people.

Rescue 1 000 people.

Earn 10 medals.

Earn 100 medals.

Earn 50 medals.

Collect 100 000 stars.

Collect 500 000 stars.

Use 3 different power-ups in a single game.

Save 20 000 stars in your bank.

Save 5 power-ups at the end of the stage.

Ram through an enemy wave with your Energy Shield.

Burn through 10 enemies with your Laser.

Destroy at least 15 enemies with one Mega-Bomb.

Finish a stage with your health lower than 5%.

Use any 5 power-ups in a single game.

Rescue 5 VIPs.

Rescue your friends' 20 times.

Enter the tournament.

Destroy the lighthouse without touching it.

Destroy all enemy towers on Stage 5.

Collect all the stars from Stage 3.

Find all the cards.

Complete Stage 8 without using power-ups.