Community

Slumbering Feline - Nightmare DLC Coming Soon to Steam

Slumbering Feline · published 5 May 2026, 15:10 UTC

All events Players around this date Read on Steam

Momo’s nightmare deepens.

Slumbering Feline – Nightmare (DLC) arrives soon on Steam.

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

Momo won’t get out easily.

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

Other announcements

All events

Game update25 May 2026Slumbering Feline Update v1.2.4Patch Notes Update v1.2.4 Improvements on the way~ · Nightmare can now be played immediately without requiring a previous escape completion (It's optional!). · Added a warning message before entering Nightmare Mode if the player has not escaped the game yet. · Escaping the game at least once will permanently remove the Nightmare warning prompt , returning the mode to its usual behavior. · Impro…Game update17 May 2026Slumbering Feline Update v1.2.3Patch Notes Update v1.2.3 Bugs removal on the way~ v1.2.3b63 · Fixed an issue where The Hero's Memento Side Quest reward could still be obtained even if only 1 required item was collected. (Requires 2 items as intended) · Fixed the " EZPZ" achievement not unlocking after escaping with 0 deaths. · Fixed incorrect dialogue when obtaining a part item for The Hero's Memento . v1.2.3b61 · Removed th…Release15 May 2026Nightmare DLC now available on SteamSlumbering Feline – Nightmare (DLC) now available on Steam. Momo’s nightmare deepens. Escape from the unpredictable nightmare slumber! All enemies are enhanced to prevent Momo from escaping! Momo won’t get out easily. · 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 redu…