Games like Christmas: Dark Side
Games like Christmas: Dark Side include Five Nights at Freddy's: Secret of the Mimic, Little Nightmares II, Resident Evil 4, Bendy and the Dark Revival, and Darkwood. We matched them by the tags players give Christmas: Dark Side on Steam (Adventure, Horror, Dark, Action, and Exploration): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Horror · VR

Little Nightmares II
Shared: Adventure · Horror · Dark

Resident Evil 4
Shared: Horror · Action · Dark

Bendy and the Dark Revival
Shared: Horror · Adventure · Action

Darkwood
Shared: Adventure · Horror · Action

Bully: Scholarship Edition
Shared: Adventure · Action · Comedy

Rise of the Tomb Raider™
Shared: Adventure · Action · Exploration

South Park™: The Stick of Truth™
Shared: Adventure · Comedy · Funny

The Forest
Shared: Horror · Adventure · Action

Tomb Raider Game of the Year
Shared: Adventure · Action · Exploration

Little Nightmares
Shared: Adventure · Horror · Dark

Firewatch
Shared: Adventure · Exploration · Horror

Crimson Desert Enhanced
Shared: Adventure · Action · Exploration

A Plague Tale: Requiem
Shared: Adventure · Action · Exploration

Content Warning
Shared: Horror · Exploration · Comedy

Poppy Playtime
Shared: Horror · Dark · Singleplayer

Five Nights at Freddy's: Security Breach
Shared: Horror · Adventure · Exploration

Resident Evil 7 Biohazard
Shared: Horror · VR · Action

FIVE NIGHTS AT FREDDY'S: HELP WANTED
Shared: VR · Horror · Action

Resident Evil Village
Shared: Horror · Action · VR

The Midnight Walk
Shared: Adventure · Horror · VR

Five Nights at Freddy's: Into the Pit
Shared: Adventure · Horror · Exploration

Lethal Company
Shared: Horror · Exploration · Funny

Getting Over It with Bennett Foddy
Shared: Horror · Funny · Singleplayer