Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Back into Shape	Earn first bonus health point.
Blademaster	Hit 3 enemies at once with heavy attack.
Bug Squasher	Remove all Spiders from Clockwork Town.
Checking the Gears	Knock on all doors in Clockwork Town.
Coming Back to the Surface	Complete the game.
Creative Cleaning	Defeat the Nightmare in Freedom Isles.
Deadly Spin	Kill 2 enemies at once with a heavy attack.
Distant Memories	Collect half the memories.
Exterminator	Remove all Plague Rats from Freedom Isles.
Figment of Steel	Earn third bonus health point.
Getting Back into the Game	Complete the intro.
I Remember That...	Collect one memory.
Loosening the Gears	Defeat the Nightmare in Clockwork Town.
Lovecraftian Shenanigans	Remove all Tentacles in the Pathway.
Noisy Neighbor	Knock on all doors in Outer Cerebrum and Cerebrum City.
Nostalgia	Go back to Freedom Isles and Clockwork Town after defeating their nightmares.
Not Skipping Leg Day	Earn second bonus health point.
Now it all Makes Sense!	Collect all the memories.
Overcoming Fear	Defeat the Nightmare in the Pathway.
Seeking Inspiration	Knock on all doors in Freedom Isles.
Time for Tea	Collect the Kettle Brothers' memory.
Turning on the Light	Collect the light bulb houses' memory.
Waterboy	Collect the memory in the Pathway.