Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Activate Mainframe 1	Activate the checkpoint.
Activate Mainframe 2	Activate the checkpoint.
Activate Mainframe 3	Activate the checkpoint.
Activate Mainframe 4	Activate the checkpoint.
Bring it on!	Kill first sentinel.
Defeat Dakomogun	Take down Guardian 4 and destroy Cybirdroid.
Defeat Kojibaca	Take down Guardian 3.
Defeat Obenpuf	Take down Guardian 2.
Defeat Snavelnokka	Take down Guardian 1.
F-Droid Hat	A funky hat for F-Droid.
Flamingod	Complete the game with killing all Guardians the first time.
It has begun	Completed First floor.
Overdrive Master	Kill 100 enemies during Overdrive.
Sector 1 collectibles	All Sector 1 collectibles collected.
Sector 2 collectibles	All Sector 2 collectibles collected.
Sector 3 collectibles	All Sector 3 collectibles collected.
Sector 4 collectibles	All Sector 4 collectibles collected.
Snavelnokka annihilation.	Complete the Boss 1 without dying.
To make an omelette...	Destroyed 10 times.
Ultimate collector	Every collectible in every sector collected.
Unstoppable!	Kill 500 enemies.
Way of the Flamingo	Completed the tutorial.
Who needs health?	Less than 10 health pickups used.