Games like Carnival
Games like Carnival include The Room Two, The Room Three, Endacopia, Sally Face - Episode One, and The Rewinder. We matched them by the tags players give Carnival on Steam (Adventure, Point & Click, Pixel Graphics, Atmospheric, and Historical): closest matches first, and among equally close ones the better-known games.

The Room Two
Shared: Point & Click · Atmospheric · Adventure

The Room Three
Shared: Adventure · Point & Click · Atmospheric

Endacopia
Shared: Adventure · Point & Click · Pixel Graphics

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

The Rewinder
Shared: Adventure · Pixel Graphics · Mystery

The Room 4: Old Sins
Shared: Point & Click · Adventure · Mystery

The Room
Shared: Point & Click · Adventure · Atmospheric

Oxenfree
Shared: Atmospheric · Adventure · Choices Matter

The Walking Dead
Shared: Adventure · Point & Click · Horror

Call of Cthulhu®
Shared: Adventure · Lovecraftian · Horror

Last Report
Shared: Pixel Graphics · Atmospheric · Point & Click

Fran Bow
Shared: Point & Click · Adventure · Psychological Horror

The Casting of Frank Stone™
Shared: Adventure · Horror · Atmospheric

Unavowed
Shared: Adventure · Point & Click · Pixel Graphics

DREDGE
Shared: Adventure · Lovecraftian · Atmospheric

Dagon: by H. P. Lovecraft
Shared: Atmospheric · Lovecraftian · Horror

Urban Myth Dissolution Center
Shared: Adventure · Pixel Graphics · Psychological Horror

Little Misfortune
Shared: Point & Click · Adventure · Psychological Horror

The Test
Shared: Pixel Graphics · Psychological Horror · Adventure

Rusty Lake Paradise
Shared: Point & Click · Adventure · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · Mystery

WORLD OF HORROR
Shared: Pixel Graphics · Point & Click · Horror

The Excavation of Hob's Barrow
Shared: Adventure · Point & Click · Pixel Graphics

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