Games like Soul Gambler
Games like Soul Gambler include The Witcher 3: Wild Hunt — Remastered, The Wolf Among Us, Disco Elysium - The Final Cut, Undertale, and Suzerain. We matched them by the tags players give Soul Gambler on Steam (Visual Novel, Adventure, Indie, RPG, and Choices Matter): closest matches first, and among equally close ones the better-known games.

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Singleplayer

The Wolf Among Us
Shared: Adventure · Visual Novel · Choices Matter

Disco Elysium - The Final Cut
Shared: RPG · Choices Matter · Singleplayer

Undertale
Shared: Choices Matter · RPG · Multiple Endings

Suzerain
Shared: Visual Novel · Choices Matter · RPG

Road to Empress I
Shared: Choices Matter · Visual Novel · RPG

Otaku's Adventure
Shared: Visual Novel · Indie · Adventure

Love Is All Around
Shared: Visual Novel · Singleplayer · Choices Matter

Far Away
Shared: Visual Novel · Singleplayer · Choices Matter

The Life and Suffering of Sir Brante
Shared: Choices Matter · RPG · Visual Novel

Volcano Princess
Shared: Choices Matter · RPG · Multiple Endings

OneShot
Shared: Indie · Story Rich · Adventure

Detroit: Become Human
Shared: Choices Matter · Multiple Endings · Singleplayer

Baldur's Gate 3
Shared: RPG · Choices Matter · Adventure

To the Moon
Shared: Indie · Adventure · Story Rich

LoveChoice
Shared: Visual Novel · Choices Matter · Multiple Endings

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Multiple Endings · Adventure

Emily is Away <3
Shared: Choices Matter · Indie · Multiple Endings

The Witcher 2: Assassins of Kings Enhanced Edition
Shared: RPG · Choices Matter · Adventure

Pyre
Shared: Indie · RPG · Visual Novel

Roadwarden
Shared: Adventure · RPG · Indie

A Bird Story
Shared: Indie · Adventure · Singleplayer

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choices Matter · Story Rich

The Walking Dead
Shared: Adventure · Choices Matter · Point & Click