Games like Lords of Infinity
Games like Lords of Infinity include Suzerain, The Life and Suffering of Sir Brante, The Life and Suffering of Sir Brante — Chapter 1&2, Roadwarden, and Yes, Your Grace. We matched them by the tags players give Lords of Infinity on Steam (Casual, RPG, Political Sim, Text-Based, and Diplomacy): closest matches first, and among equally close ones the better-known games.

Suzerain
Shared: Political Sim · Choose Your Own Adventure · Text-Based

The Life and Suffering of Sir Brante
Shared: RPG · Text-Based · Interactive Fiction

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: RPG · Diplomacy · Interactive Fiction

Roadwarden
Shared: RPG · Text-Based · Interactive Fiction

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

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

DAVE THE DIVER
Shared: Casual · Management · RPG

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

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

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

Emily is Away Too
Shared: Casual · Indie · Choices Matter

Breakout 13
Shared: Interactive Fiction · Choose Your Own Adventure · RPG

The Golden Rose: Book One
Shared: Casual · RPG · Text-Based

Undertale
Shared: RPG · Choices Matter · Story Rich

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

Growing Up
Shared: RPG · Choices Matter · Casual

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

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

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

Emily is Away <3
Shared: Casual · Choices Matter · Indie

Road to Empress Ⅱ
Shared: Casual · RPG · Interactive Fiction

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

Esoteric Ebb
Shared: RPG · Choices Matter · Interactive Fiction

To the Moon
Shared: RPG · Interactive Fiction · Indie