Witness all glimpses of the past in a single playthrough.

Complete the game without using the radio.

Finish the game without killing enemies using ranged weapons.

Complete New Game Plus on any difficulty.

Discover the secret of Room 106.

Find the chainsaw.

Reach the "Maria" ending.

Defeat Her.

Reach Room 312.

Finish off 50 enemies with a stomp attack.

Kill Eddie.

Defeat the Abstract Daddy.

Kill at least one enemy with Wooden Plank, Steel Pipe, Handgun, Shotgun and Rifle in a single playthrough.