Kill two Icarus with a single grenade.

Kill an aerial enemy by landing a grenade on top of it.

Collect all Gunbelts.

Escape the city.

Occupy rank #1 on both Time and Score leaderboards simultaneously.

Escape the city without dying.

Collect all gold ingots.

Kill 100 Enemies.

Kill 500 Enemies.

Kill 1,000 Enemies.

Find all secret areas.

Fire 1,000 shots.

Fire 10,000 shots.

Collect 1,000 Silver Ingots