Reach wave 30.

Destroy every ordinary enemy type in one wave.

Clear a wave with every launch destroying something (5 shots or more).

Play the daily challenge 3 days in a row.

Reach wave 10 on Hard.

Clear wave 10 without buying an upgrade or rebuilding.

Destroy a missile with a chain blast.

Play the daily challenge 7 days in a row.

Destroy a boss without losing a building during its wave.

Play the daily challenge 30 days in a row.

Score 100k in one run.

Rebuild 3 cities in one run.

Reload a silo by holding it.

Reach wave 10.

Clear a wave after firing every missile you had.

Destroy 10k enemies.

Destroy a boss.

Fire a missile.

Clear wave 13 without losing a single city.

Reach wave 20.

Cancel a shot by dragging back to the silo.

Reach a chain of 12 from a single shot.

Score 500k in one run.

Reach wave 10 on Extreme.

Destroy 15 shooters.

Reach a chain of 5 from a single shot.

Destroy 3 bosses in one run.

Clear 3 waves in a row without losing a building.

Shoot down 20 bombers.

Destroy 15 erratic missiles.

Reach a chain of 8 from a single shot.

Buy all three bigger-blast upgrades in one run.

Score 1M in one run.