Games like Guns of Infinity
Games like Guns of Infinity include Roadwarden, The Life and Suffering of Sir Brante, Suzerain, Choice of Robots, and Sorcery! Parts 1 and 2. We matched them by the tags players give Guns of Infinity on Steam (Adventure, Indie, RPG, Choose Your Own Adventure, and Text-Based): closest matches first, and among equally close ones the better-known games.

Roadwarden
Shared: Adventure · RPG · Indie

The Life and Suffering of Sir Brante
Shared: RPG · Choices Matter · Choose Your Own Adventure

Suzerain
Shared: Choose Your Own Adventure · Interactive Fiction · Choices Matter

Choice of Robots
Shared: Choose Your Own Adventure · Text-Based · Indie

Sorcery! Parts 1 and 2
Shared: Adventure · RPG · Choose Your Own Adventure

Fallen Hero: Rebirth
Shared: Indie · Adventure · Text-Based

Late Shift
Shared: Choose Your Own Adventure · Adventure · Choices Matter

Reigns
Shared: Indie · Choices Matter · Choose Your Own Adventure

Wayhaven Chronicles: Book One
Shared: Indie · Adventure · RPG

To the Moon
Shared: Indie · Adventure · RPG

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

Breakout 13
Shared: Choose Your Own Adventure · Interactive Fiction · Choices Matter

Vampire: The Masquerade — Parliament of Knives
Shared: Indie · Adventure · RPG

Vampire: The Masquerade — Night Road
Shared: Choose Your Own Adventure · Text-Based · Interactive Fiction

WILL: A Wonderful World / WILL:美好世界
Shared: RPG · Adventure · Indie

Zombie Exodus: Safe Haven
Shared: Indie · Adventure · RPG

Golden Treasure: The Great Green
Shared: Indie · Adventure · RPG

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

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: Choose Your Own Adventure · Interactive Fiction · RPG

Yes, Your Grace
Shared: Indie · RPG · Choices Matter

Sabres of Infinity
Shared: Adventure · Indie · RPG

Road to Empress Ⅱ
Shared: Adventure · Choices Matter · Interactive Fiction

Tainted Grail: The Fall of Avalon
Shared: Adventure · RPG · Indie

Far Away
Shared: Choices Matter · Choose Your Own Adventure · Indie