Games like Deathless: The City's Thirst
Games like Deathless: The City's Thirst include The Life and Suffering of Sir Brante, Roadwarden, Suzerain, Choice of Robots, and The Life and Suffering of Sir Brante — Chapter 1&2. We matched them by the tags players give Deathless: The City's Thirst on Steam (RPG, Indie, Choices Matter, Choose Your Own Adventure, and Text-Based): closest matches first, and among equally close ones the better-known games.

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

Roadwarden
Shared: RPG · Indie · Text-Based

Suzerain
Shared: Choose Your Own Adventure · Choices Matter · RPG

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

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

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

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

Reigns
Shared: Choices Matter · Indie · RPG

Undertale
Shared: Choices Matter · RPG · Indie

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

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

Heroes Rise: The Prodigy
Shared: RPG · Indie · Choose Your Own Adventure

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

Choice of the Deathless
Shared: RPG · Choose Your Own Adventure · Indie

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

Tin Star
Shared: RPG · Indie · Choose Your Own Adventure

Sovereign Tower
Shared: Choices Matter · Indie · Choose Your Own Adventure

Wayhaven Chronicles: Book One
Shared: RPG · Indie · Choose Your Own Adventure

Aliya: Timelink
Shared: RPG · Interactive Fiction · Text-Based

Baldur's Gate 3
Shared: RPG · Choices Matter

Esoteric Ebb
Shared: RPG · Choices Matter · Interactive Fiction

Vanity Fair: The Pursuit
Shared: RPG · Choices Matter · Indie

Vampire: The Masquerade — Parliament of Knives
Shared: RPG · Indie · Text-Based

Zombie Exodus: Safe Haven
Shared: RPG · Indie · Choose Your Own Adventure