Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Godkiller On The Loose (secret)	Earn all the Achievements.
Gods Are Such Easy Prey (secret)	Kill the Goddess with X Score or more.
I'll Be Back (secret)	Die X Times.
I'm Here To Chew Bubblegum And... (secret)	Complete phase X without taking any damage.
I've Seen Things You People Wouldn't... (secret)	Use the Lock-On X times in phase X.
It's Too Bad She Won't Live (secret)	Kill the Goddess.
Learning to Fly	Finish the Tutorial.
Push It To The Limit (secret)	Hold the x8 Multiplier for X seconds.
The Final Countdown (secret)	Complete phase X in X seconds.
Turbo Lover (secret)	Activate the Turbo for X seconds.