Successfully complete the listed task to unlock the corresponding achievement.

Achievement	How to unlock
1200 Shots	Complete the game with 1200 or less shots fired.
1500 Shots	Complete the game with 1500 or less shots fired.
3 Health	Complete the game with only 3 health.
4 Health	Complete the game with 4 or less health.
5 Health	Complete the game with 5 or less health.
6 Health	Complete the game with 6 or less health.
7 Health	Complete the game with 7 or less health.
800 Shots	Complete the game with 800 or less shots fired.
Bouncer	Kill a bouncer.
Careful	Complete the game with 20 or less deaths.
Charge Shot	Get the charge shot powerup.
Crawler	Kill a crawler.
Defender	Kill a defender.
Defense Turret No Hit	Kill the third boss without getting hit.
Defense Turret	Kill the third boss.
Done In 20	Complete the game in 20 or less minutes.
Done In 40	Complete the game in 40 or less minutes.
Done In 60	Complete the game in 60 or less minutes.
Drone Launcher No Hit	Kill the second boss without getting hit.
Drone Launcher	Kill the second boss.
Evil Eye No Hit	Kill the final boss without getting hit.
Evil Eye	Kill the final boss.
Extra Health 1	Get at least 1 health powerup.
Extra Health 2	Get at least 2 health powerups.
Extra Health 3	Get at least 3 health powerups.
Extra Health 4	Get at least 4 health powerups.
Extra Health 5	Get all 5 health powerups.
Giant Spike No Hit	Kill the first boss without getting hit.
Giant Spike	Kill the first boss.
Mega Blaster No Hit	Kill the fifth boss without getting hit.
Mega Blaster	Kill the fifth boss.
Orbital	Kill an orbital.
Quad Shooter	Kill a quad shooter.
Shield	Get the shield powerup.
Speed Boost	Get the speed boost powerup.
Stalker	Kill a stalker.
Strength Boost	Get the strength boost powerup.
Survivor	Complete the game with 5 or less deaths.
Triple Cannon No Hit	Kill the fourth boss without getting hit.
Triple Cannon	Kill the fourth boss.