Games like Water Womb World
Games like Water Womb World include Dagon: by H. P. Lovecraft, The Room 4: Old Sins, DAVE THE DIVER, There Is No Game: Wrong Dimension, and Florence. We matched them by the tags players give Water Womb World on Steam (Adventure, Casual, Horror, Faith, and Lovecraftian): closest matches first, and among equally close ones the better-known games.

Dagon: by H. P. Lovecraft
Shared: Horror · Lovecraftian · Visual Novel

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

DAVE THE DIVER
Shared: Casual · Adventure · Exploration

There Is No Game: Wrong Dimension
Shared: Adventure · Point & Click · Casual

Florence
Shared: Casual · Adventure · Interactive Fiction

That's not my Neighbor
Shared: Adventure · Casual · Horror

Firewatch
Shared: Adventure · First-Person · Exploration

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

The Room
Shared: Adventure · Point & Click · Horror

Subnautica
Shared: Horror · Adventure · Exploration

Tiny Bunny
Shared: Horror · Visual Novel · Adventure

Still Wakes the Deep
Shared: Horror · Lovecraftian · Adventure

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

Slime Rancher
Shared: Adventure · Exploration · Casual

Urban Myth Dissolution Center
Shared: Adventure · Visual Novel · Horror

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

Sally Face - Episode One
Shared: Horror · Adventure · Point & Click

Until Then
Shared: Visual Novel · Interactive Fiction · Adventure

Amnesia: A Machine For Pigs
Shared: Horror · Adventure · Interactive Fiction

Subnautica: Below Zero
Shared: Horror · Adventure · Exploration

Slay the Princess — The Pristine Cut
Shared: Horror · Visual Novel · Point & Click

DREDGE
Shared: Adventure · Lovecraftian · Exploration

To the Moon
Shared: Adventure · Interactive Fiction · Indie

Look Outside
Shared: Horror · Adventure · Lovecraftian