Games like the last nightmare
Games like the last nightmare include SANABI, Little Nightmares II, DISTRAINT: Deluxe Edition, INSIDE, and Eiyuden Chronicle: Rising. We matched them by the tags players give the last nightmare on Steam (Adventure, Action-Adventure, Side Scroller, Dungeon Crawler, and 2.5D): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Adventure · Pixel Graphics · Action-Adventure

Little Nightmares II
Shared: Adventure · Horror · Action-Adventure

DISTRAINT: Deluxe Edition
Shared: Adventure · Indie · Pixel Graphics

INSIDE
Shared: 2.5D · Adventure · Indie

Eiyuden Chronicle: Rising
Shared: Adventure · Action-Adventure · 2.5D

Little Nightmares
Shared: Adventure · Horror · Indie

Tales of the Black Forest
Shared: Adventure · Pixel Graphics · Indie

Sally Face - Episode One
Shared: Adventure · Indie · Psychological Horror

REPLACED
Shared: Side Scroller · Pixel Graphics · Action-Adventure

DISTRAINT 2
Shared: Side Scroller · Horror · Psychological Horror

To the Moon
Shared: Adventure · Indie · Pixel Graphics

DARQ: Complete Edition
Shared: Adventure · Horror · Side Scroller

OneShot
Shared: Indie · Pixel Graphics · Adventure

FAITH: The Unholy Trinity
Shared: Pixel Graphics · Indie · Horror

Fran Bow
Shared: Adventure · Psychological Horror · Indie

Amnesia: Rebirth
Shared: Action-Adventure · Adventure · Horror

ANNO: Mutationem
Shared: 2.5D · Pixel Graphics · Action-Adventure

The Witch's House MV
Shared: Adventure · Pixel Graphics · Indie

Little Misfortune
Shared: Adventure · Indie · Psychological Horror

INMOST
Shared: Adventure · Indie · Pixel Graphics

Silver Pines
Shared: Side Scroller · Action-Adventure · 2.5D

Last Report
Shared: Pixel Graphics · Action-Adventure · Horror

Escape the Backrooms
Shared: Horror · Adventure · Psychological Horror

IMSCARED
Shared: Adventure · Indie · Horror