Games like Alone in the Dark 1
Games like Alone in the Dark 1 include Resident Evil 4 (2005), Resident Evil 0, Resident Evil 2, Resident Evil, and Resident Evil 4. We matched them by the tags players give Alone in the Dark 1 on Steam (Action, Adventure, Classic, Survival Horror, and Lovecraftian): closest matches first, and among equally close ones the better-known games.

Resident Evil 4 (2005)
Shared: Action · Survival Horror · Adventure

Resident Evil 0
Shared: Adventure · Survival Horror · Action

Resident Evil 2
Shared: Survival Horror · Horror · Action

Resident Evil
Shared: Survival Horror · Classic · Horror

Resident Evil 4
Shared: Action · Survival Horror · Horror

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

Half-Life 2
Shared: Action · Classic · Adventure

Alone in the Dark: The New Nightmare
Shared: Adventure · Action · Survival Horror

Poppy Playtime
Shared: Horror · Survival Horror · Singleplayer

The Forest
Shared: Adventure · Horror · Survival Horror

Tomb Raider I (1996)
Shared: Action · Adventure · Classic

Resident Evil Requiem
Shared: Survival Horror · Action · Horror

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · Action

Resident Evil Village
Shared: Survival Horror · Action · Horror

Resident Evil 3
Shared: Action · Horror · Survival Horror

Half-Life
Shared: Classic · Action · 1990's

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · Horror · Singleplayer

Half-Life: Opposing Force
Shared: Action · Classic · Adventure

Darkwood
Shared: Adventure · Survival Horror · Action

Nightmare of Decay
Shared: Action · Survival Horror · Horror

Atomic Heart
Shared: Adventure · Action · Horror

Outlast
Shared: Survival Horror · Horror · Adventure

The Beast Inside
Shared: Adventure · Action · Horror

Amnesia: The Dark Descent
Shared: Horror · Survival Horror · Adventure