Kill your first enemy.

Survive Wave 1.

Place your first turret.

Upgrade any turret once.

Hit 10 enemies with splash damage.

Slow 20 enemies with Frostbite Cannon.

Kill 200 enemies.

Kill 100 enemies with Eagle Eye Turret

Kill 50 enemies with Missile Launcher.

Burn 100 enemies with Inferno Sprayer.

Freeze or slow 200 enemies with Frostbite Cannon

Deal 20,000 damage with Plasma Beamer.

Chain 20 Tesla Coil stuns.

Use Reinforcement Tower 10 times.

Build each turret type in one match.

Place 20 turrets in one match.

Destroy 10 enemies with explosions.

Place 50 total turrets.

Survive Wave 10.

Stun 10 enemies with Tesla Coil.

Survive Wave 15.

Survive Wave 25.

Reach Wave 30.

Reach Wave 40.

Reach Wave 50.

Defeat the first boss wave.

Finish a wave without any enemy surviving.

Finish a match with 0 base damage.

Collect 10,000 coins.

Spend 5,000 coins in one match.

Upgrade turrets 50 times.

Fully upgrade any turret

Fully upgrade five turrets.

Win with <10% base HP.

Win without selling any turret.

Unlock all achievements.

Hit 10 enemies with splash damage.