Games like Ethereal Enigma
Games like Ethereal Enigma include Phasmophobia, FIVE NIGHTS AT FREDDY'S: HELP WANTED, Poppy Playtime, Garten of Banban, and The Room. We matched them by the tags players give Ethereal Enigma on Steam (Casual, Horror, Dark, Mystery, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Horror · VR · Dark

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

Poppy Playtime
Shared: Horror · Singleplayer · Dark

Garten of Banban
Shared: Horror · VR · Singleplayer

The Room
Shared: Mystery · Singleplayer · Horror

Five Nights at Freddy's: Help Wanted 2
Shared: VR · Horror · Singleplayer

The Room Two
Shared: Mystery · Horror · Hidden Object

Resident Evil 4
Shared: Horror · Singleplayer · Dark

The Mortuary Assistant
Shared: Horror · Mystery · Singleplayer

The Room 4: Old Sins
Shared: Mystery · Singleplayer · Horror

Resident Evil 7 Biohazard
Shared: Horror · VR · Singleplayer

Job Simulator
Shared: VR · Horror · Singleplayer

A Game About Digging A Hole
Shared: Horror · Exploration · Singleplayer

Resident Evil Village
Shared: Horror · Singleplayer · VR

SOMA
Shared: Horror · Dark · Exploration

Half-Life: Alyx
Shared: VR · Horror · Singleplayer

Pacify
Shared: Horror · Exploration · Dark

Bendy and the Ink Machine
Shared: Horror · Singleplayer · Dark

Rental
Shared: Horror · Exploration · Singleplayer

Amnesia: A Machine For Pigs
Shared: Horror · Mystery · Exploration

No, I'm not a Human
Shared: Horror · Singleplayer · Dark

DAVE THE DIVER
Shared: Casual · Singleplayer · Exploration

VRChat
Shared: VR · Casual · Early Access

Outer Wilds
Shared: Mystery · Exploration · Singleplayer