Games like The Ritual
Games like The Ritual include Firewatch, Poppy Playtime, MiSide, Outer Wilds, and Five Nights at Freddy's: Security Breach. We matched them by the tags players give The Ritual on Steam (Adventure, 3D, First-Person, Horror, and Indie): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · First-Person · Story Rich

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

MiSide
Shared: Horror · First-Person · Story Rich

Outer Wilds
Shared: Adventure · Story Rich · Mystery

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · 3D

Bendy and the Ink Machine
Shared: First-Person · Horror · Singleplayer

The Room 4: Old Sins
Shared: Adventure · Mystery · Puzzle

What Remains of Edith Finch
Shared: First-Person · Adventure · Story Rich

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

The Room
Shared: Adventure · Mystery · Puzzle

Bendy and the Dark Revival
Shared: Horror · First-Person · Adventure

Return of the Obra Dinn
Shared: Mystery · Story Rich · Indie

The Room Three
Shared: Adventure · Indie · Mystery

Blue Prince
Shared: Mystery · First-Person · Adventure

Garten of Banban
Shared: Horror · First-Person · 3D

Amanda the Adventurer
Shared: First-Person · Horror · Adventure

Little Nightmares
Shared: Adventure · Horror · Indie

Little Nightmares II
Shared: Adventure · Horror · Singleplayer

Layers of Fear (2016)
Shared: Horror · First-Person · Adventure

The Room Two
Shared: Adventure · Horror · Mystery

Amnesia: Rebirth
Shared: First-Person · Adventure · Horror

The Death | Thần Trùng
Shared: Horror · Adventure · Indie

Hello Neighbor
Shared: Horror · First-Person · Story Rich

Inside the Backrooms
Shared: Horror · Adventure · First-Person