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Slumbering Feline - Nightmare

Slumbering Feline - Nightmare

The Flavare · The Flavare · May 14, 2026
Adventure Casual Free To Play
Player data unavailable
—
Player data unavailable
0
All-time peak
n/a
Δ 24h
A player-count observation is not currently available.

Slumbering Feline - Nightmare - Steam Charts & Historical Stats

Escape from the unpredictable nightmare slumber! All enemies are enhanced to prevent Momo from escaping! Explore historical player activity and pricing for Slumbering Feline - Nightmare. A current player-count observation is unavailable.

Genre
Adventure
Developer
The Flavare

Slumbering Feline - Nightmare player count and price summary

Current players
Unavailable
All-time peak
Unavailable
24-hour player change
Unavailable
Current US price
Price unavailable

No current player-count observation is available; unavailable values are not estimated.

Player count

System Requirements

Platform Support
Windows Linux
Controller Support
full
Pricing
Paid Game
$1.99 (USD)

Additional Information

Categories
Single-player Downloadable Content Steam Achievements Full controller support Adjustable Difficulty Stereo Sound Steam Cloud Stats Family Sharing
Supported Languages
English*
*languages with full audio support

Current Pricing

💰
$1.99
Regular Price

Additional Information

🇧🇷 DEJUS Rating
10
Brazilian rating
🇩🇪 Steam Germany
6
German classification
🆘 Support
🎁 Purchase Options
1
package options

Developer Analytics

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About This Game

Escape from the unpredictable nightmare slumber! All enemies are enhanced to prevent Momo from escaping!

Detailed Description

Momo’s nightmare deepens.

Escape from the unpredictable nightmare slumber! All enemies are enhanced to prevent Momo from escaping!

Feature

  • 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.

Frequently Asked Questions

Is Slumbering Feline - Nightmare free to play?
Yes, Slumbering Feline - Nightmare is free to play on Steam.
What genre is Slumbering Feline - Nightmare?
Slumbering Feline - Nightmare is a Adventure, Casual, Free To Play game.
Who developed Slumbering Feline - Nightmare?
Slumbering Feline - Nightmare was developed by The Flavare and published by The Flavare.
What platforms does Slumbering Feline - Nightmare support?
Available on Steam for Windows, Linux.