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Downloadable Content

This content requires the base game Slumbering Feline on Steam in order to play.

Buy Slumbering Feline - Nightmare

INTRODUCTORY OFFER! Offer ends May 28

-10%
$1.99
$1.79
 

About This Content

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 will be unlocked automatically after Momo escaped once AND you own the Nightmare DLC. Then, start a New Game from the Main Menu and select Nightmare.

Notes

Recommended only for players who really enjoy hard challenges.

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • OS: Windows 10/11
    • Processor: 2.8 GHz or equivalent
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GeForce GTX750 Ti or equivalent
    • Storage: 1 GB available space
    Minimum:
    • OS: Ubuntu 20.04.6, Debian 12.8.0
    • Processor: 2.8 GHz or equivalent
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GeForce GTX750 Ti or equivalent
    • Storage: 1 GB available space
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