Survive 20 endless waves
Survive 10 endless waves
Survive 40 endless waves
Defeat Chromacora
Defeat Chromacora in Deadly diffculty without using any powerups.
Defeat Spherolidae
Finish a level using your last cell to defeat the last enemy
Upgrade a Powerup to max level
Finish a stage killing the last 15 enemies with a single bomb
Kill 2500 enemies
Upgrade a pet to maximum level
Collect 100 stars
Collect 300 stars
Defeat Genodom
Defeat Triplonide
Kill 15000 enemies
Defeat Thanatclo
Unlock All Companions