Games like The Last Monster Master
Games like The Last Monster Master include Roadwarden, The Life and Suffering of Sir Brante, Fallen Hero: Rebirth, 鬼谷八荒 Tale of Immortal, and Sorcery! Parts 1 and 2. We matched them by the tags players give The Last Monster Master on Steam (Adventure, RPG, Indie, Text-Based, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

Roadwarden
Shared: RPG · Adventure · Text-Based

The Life and Suffering of Sir Brante
Shared: RPG · Choose Your Own Adventure · Text-Based

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

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

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

Suzerain
Shared: Choose Your Own Adventure · Text-Based · RPG

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

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

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

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

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

Sands of Salzaar
Shared: RPG · Adventure · Indie

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

To the Moon
Shared: Indie · Adventure · RPG

Melvor Idle
Shared: RPG · Indie · Adventure

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

Reigns
Shared: Indie · RPG · Adventure

SanctuaryRPG: Black Edition
Shared: RPG · Indie · Text-Based

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

Cat Quest
Shared: Adventure · RPG · Indie

Evoland
Shared: RPG · Adventure · Indie

Kingdom Come: Deliverance
Shared: RPG · Adventure · Choose Your Own Adventure

Home Behind
Shared: Adventure · RPG · Indie

Shadows Over Loathing
Shared: Adventure · RPG · Choose Your Own Adventure