Games like Eschalon: Book III
Games like Eschalon: Book III include Divinity: Original Sin (Classic), Shadowrun Returns, Ruined King: A League of Legends Story™, Pillars of Eternity, and Pathfinder: Kingmaker - Enhanced Plus Edition. We matched them by the tags players give Eschalon: Book III on Steam (RPG, Indie, Adventure, Isometric, and Turn-Based): closest matches first, and among equally close ones the better-known games.

Divinity: Original Sin (Classic)
Shared: RPG · Turn-Based · Adventure

Shadowrun Returns
Shared: RPG · Isometric · Turn-Based

Ruined King: A League of Legends Story™
Shared: RPG · Adventure · Indie

Pillars of Eternity
Shared: RPG · Isometric · Fantasy

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: RPG · Isometric · Fantasy

Lords of Xulima
Shared: RPG · Indie · Turn-Based

Wolcen: Lords of Mayhem
Shared: RPG · Isometric · Adventure

UnderRail
Shared: RPG · Isometric · Indie

Divinity: Original Sin - Enhanced Edition
Shared: RPG · Turn-Based · Adventure

Pillars of Eternity II: Deadfire
Shared: RPG · Isometric · CRPG

Avernum: Escape From the Pit
Shared: RPG · Indie · Isometric

Wasteland 2: Director's Cut
Shared: RPG · Turn-Based · Isometric

Torment: Tides of Numenera
Shared: RPG · Isometric · Adventure

Blackguards
Shared: RPG · Turn-Based · Indie

Baldur's Gate: Enhanced Edition
Shared: RPG · Isometric · Fantasy

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Fantasy

Baldur's Gate 3
Shared: RPG · Adventure · Fantasy

Shadowrun: Dragonfall - Director's Cut
Shared: RPG · Isometric · Turn-Based

Shadowrun: Hong Kong - Extended Edition
Shared: RPG · Turn-Based · Isometric

Bastion
Shared: Indie · RPG · Singleplayer

Might & Magic X - Legacy
Shared: RPG · Turn-Based · Fantasy

Tyranny
Shared: RPG · Isometric · Adventure

Vampire's Fall: Origins
Shared: RPG · Indie · Adventure

South Park™: The Stick of Truth™
Shared: RPG · Adventure · Turn-Based