Games like Demon Mark: A Russian Saga
Games like Demon Mark: A Russian Saga include Roadwarden, The Life and Suffering of Sir Brante, Suzerain, To the Moon, and Sorcery! Parts 1 and 2. We matched them by the tags players give Demon Mark: A Russian Saga on Steam (Adventure, Indie, RPG, Text-Based, and Interactive Fiction): 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 · Interactive Fiction · Choose Your Own Adventure

Suzerain
Shared: Choose Your Own Adventure · Interactive Fiction · Text-Based

To the Moon
Shared: Indie · Adventure · Interactive Fiction

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

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

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

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

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

Love is All Around: Echoes of Yesterday
Shared: Adventure · RPG · Interactive Fiction

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

A Bird Story
Shared: Indie · Adventure · Interactive Fiction

Sabres of Infinity
Shared: Adventure · Indie · RPG

鬼谷八荒 Tale of Immortal
Shared: RPG · Adventure · Choose Your Own Adventure

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

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

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

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Indie · Adventure

Where The Water Tastes Like Wine
Shared: Adventure · Indie · Interactive Fiction

Tales of the Black Forest
Shared: RPG · Indie · Adventure

Hero's Adventure: Road to Passion
Shared: RPG · Indie · Adventure

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

Late Shift
Shared: Adventure · Choose Your Own Adventure · Interactive Fiction

Sands of Salzaar
Shared: RPG · Indie · Adventure