Destroy the Cruiser and complete the tutorial.

Die for the first time.

Complete a level after taking a hit.

Upgrade a weapon to level 2.

Upgrade a weapon to level 3.

Buy a new weapon.

Clear a wave in under 5 seconds (outside the tutorial).

Clear a wave in under 2 seconds (outside the tutorial).

Finish a level with no damage and no enemy escaping (bonus wave 9).

Finish a level without changing your weapon color.

Finish a level without killing any enemy (boss excepted).

Max out the Red path (two level-3 weapons + passives).

Max out the Blue path.

Max out the Green path.

Max out the Purple path.

Own all 12 alterations and finish the run.

Win a run on level 7 or earlier.

Win a run after level 12.

Reach 3000+ credits with the purple modifier.

Defeat the Cruiser in its max version.

Defeat the Caterpillar in its max version.

Defeat the Dragon in its max version.

Destroy 100 enemies in total.

Destroy 2,500 enemies in total.

Destroy 50,000 enemies in total.

Destroy 5 Cruisers.

Destroy 20 Cruisers.

Destroy 100 Cruisers.

Destroy 5 Caterpillars.

Destroy 20 Caterpillars.

Destroy 100 Caterpillars.

Destroy 5 Dragons.

Destroy 20 Dragons.

Destroy 100 Dragons.