Slumbering Feline - Nightmare
No discount right now. The current price is 100% of the way from its all-time low to full price.
Why this verdict
Offers
Official store prices and labeled keyshop comparisons
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Price history
Accepted price history and recorded lows
About this game
What this game is, in the developer's words
Escape from the unpredictable nightmare slumber! All enemies are enhanced to prevent Momo from escaping!
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.
Media
Trailers and screenshots straight from the store page
Slumbering Feline - Nightmare price history and current deals
Slumbering Feline - Nightmare for PC currently sells from $1.99 at authorized stores. Its all-time low is $1.79, set on 2026-06-27.
Slumbering Feline - Nightmare reviews, playtime, and age rating
Brazil rates it 10+, flagged for Medo.
Frequently asked questions
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