Slumbering Feline - Nightmare

Momo’s nightmare deepens.
Escape from the unpredictable nightmare slumber! All enemies are enhanced to prevent Momo from escaping!

New Nightmare Enemies variants
More sturdy, move fast, fast respawn and enhance attack.

All attacks will more deadly and affect Nightmare Mark

Nightmare Mark: Slowly reduce Mental Health overtime

Nightmare Enemies will randomly spawn in a determined place every new game.

Enemy Weakness enhanced into Nightmare Weakness and hidden by default.
Nightmare Weakness will be revealed when aimed or by Moonlight Celestial Rune

Nightmare Exclusive Celestial Runes

Nightmare Exclusive Celestial Runes

New Celestial Runes will available exclusively on Nightmare:
Moonlight: Reveal nearby Nightmare Weakness.

Nightmare Antibody: Immune to Nightmare Mark.

Also, Momo's Runes Slot increased from 3 to 4 slots.

Nightmare Exclusive Achievements
New achievements added exclusive for Nightmare Mode

How to Unlock and Play Nightmare
Nightmare is optionally unlocked after Momo escaped once AND requires ownership of the Nightmare DLC.
You can still start play Nightmare directly even before unlocking it, BUT it's recommended to play and escape at least once first.
Then, to play Nightmare, start a New Game from the Main Menu and select Nightmare.

Notes
Recommended only for players who really enjoy hard challenges.