Games like The 109th Hero
Games like The 109th Hero include Sultan's Game, The Life and Suffering of Sir Brante, Reigns, Baldur's Gate 3, and Undertale. We matched them by the tags players give The 109th Hero on Steam (RPG, Card Game, Story Rich, Lore-Rich, and Strategy): closest matches first, and among equally close ones the better-known games.

Sultan's Game
Shared: RPG · Story Rich · Card Game

The Life and Suffering of Sir Brante
Shared: RPG · Story Rich · Choose Your Own Adventure

Reigns
Shared: Card Game · RPG · Choices Matter

Baldur's Gate 3
Shared: RPG · Story Rich · Choices Matter

Undertale
Shared: Story Rich · RPG · Choices Matter

Library Of Ruina
Shared: Card Game · Story Rich · Strategy

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

Slay the Princess — The Pristine Cut
Shared: Story Rich · Choices Matter · Choose Your Own Adventure

Legend of Mortal
Shared: RPG · Lore-Rich · Choices Matter

Griftlands
Shared: RPG · Card Game · Story Rich

Thronebreaker: The Witcher Tales
Shared: RPG · Card Game · Story Rich

Dispatch
Shared: Story Rich · Choices Matter · Singleplayer

Dragon Age: Origins - Ultimate Edition
Shared: RPG · Story Rich · Singleplayer

Clair Obscur: Expedition 33
Shared: Story Rich · RPG · Singleplayer

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

The Banner Saga 2
Shared: RPG · Story Rich · Strategy

Kingdom Come: Deliverance
Shared: RPG · Story Rich · Singleplayer

Mass Effect™ Legendary Edition
Shared: RPG · Story Rich · Singleplayer

Choice of Life: Middle Ages
Shared: Card Game · Strategy · Singleplayer

BOOK OF HOURS
Shared: RPG · Card Game · Lore-Rich

Esoteric Ebb
Shared: RPG · Story Rich · Choices Matter

Suzerain
Shared: Choose Your Own Adventure · Story Rich · RPG

Cultist Simulator
Shared: Card Game · Lore-Rich · RPG

Reigns: Game of Thrones
Shared: RPG · Card Game · Indie