Destroy 1000 enemies

Destroy 2 500 enemies

Destroy 10 000 enemies

Rescue 100 people

Rescue 500 people

Resscue 1 000 people

Earn 10 medals

Earn 50 medals

Earn 100 medals

Collect 100 000 stars

Collect 500 000 stars

Save 20 000 stars in your bank

Use 3 different power-ups in a single game.

Save 5 power-ups till the end of the stage

Ram through an enemy wave with your Energy Shield

Destroy at least 15 enemies with a single Mega-Bomb

Burn through 10 enemies with your Laser

Complete a stage with your health lower than 5%.

Use any 5 power-ups in a single game

Rescue 5 VIPs

Enter the tournament

Collect all the cards

Collect all the stars from Stage 3

Complete Stage 8 without using power-ups

Destroy all enemy towers on Stage 5