Games like wishbound
Games like wishbound include Until Then, Tiny Bunny, Dagon: by H. P. Lovecraft, Sally Face - Episode One, and Poppy Playtime. We matched them by the tags players give wishbound on Steam (Adventure, Casual, Interactive Fiction, Visual Novel, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

Until Then
Shared: Visual Novel · Interactive Fiction · Adventure

Tiny Bunny
Shared: Visual Novel · Atmospheric · Dark

Dagon: by H. P. Lovecraft
Shared: Visual Novel · Atmospheric · First-Person

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

Poppy Playtime
Shared: First-Person · Horror · Adventure

DISTRAINT: Deluxe Edition
Shared: Adventure · 2D · Horror

Firewatch
Shared: Adventure · Atmospheric · First-Person

Milk inside a bag of milk inside a bag of milk
Shared: Visual Novel · Interactive Fiction · Adventure

Impostor Factory
Shared: Adventure · 2D · Emotional

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

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Adventure

Firework
Shared: 2D · Visual Novel · Horror

Vampires' Melody
Shared: Casual · Adventure · Visual Novel

Outlast
Shared: First-Person · Atmospheric · Adventure

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Adventure · Visual Novel · Interactive Fiction

Billionaire Lovers
Shared: Visual Novel · Casual · Interactive Fiction

The Room
Shared: Adventure · Atmospheric · Casual

Florence
Shared: Casual · Adventure · Interactive Fiction

Raging Loop
Shared: Adventure · Visual Novel · Atmospheric

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Interactive Fiction · Emotional

Chill with You : Lo-Fi Story
Shared: Casual · Visual Novel · Atmospheric

Finding Paradise
Shared: Adventure · 2D · Emotional

Amnesia: A Machine For Pigs
Shared: First-Person · Atmospheric · Interactive Fiction

Doctor Who: The Lonely Assassins
Shared: Adventure · Casual · Interactive Fiction