Games like Serpent in the Staglands
Games like Serpent in the Staglands include Pillars of Eternity, Pathfinder: Kingmaker - Enhanced Plus Edition, The Witcher 3: Wild Hunt — Remastered, Pillars of Eternity II: Deadfire, and Tyranny. We matched them by the tags players give Serpent in the Staglands on Steam (RPG, Adventure, CRPG, Isometric, and Fantasy): closest matches first, and among equally close ones the better-known games.

Pillars of Eternity
Shared: RPG · Isometric · Fantasy

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

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

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

Tyranny
Shared: RPG · CRPG · Isometric

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

Dragon Age: Origins - Ultimate Edition
Shared: RPG · Fantasy · Adventure

Hogwarts Legacy
Shared: Adventure · RPG · Fantasy

Baldur's Gate II: Enhanced Edition
Shared: RPG · CRPG · Fantasy

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Adventure · Fantasy

The Elder Scrolls Online - Standard Edition
Shared: RPG · Adventure · Fantasy

Clair Obscur: Expedition 33
Shared: RPG · Fantasy · Adventure

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

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: RPG · Fantasy · Adventure

Divinity: Original Sin (Classic)
Shared: RPG · Adventure · Fantasy

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

Tainted Grail: The Fall of Avalon
Shared: RPG · Adventure · Dark Fantasy

ELDEN RING
Shared: RPG · Dark Fantasy · Open World

STAR WARS™ Knights of the Old Republic™
Shared: RPG · Adventure · Real-Time with Pause

Middle-earth: Shadow of War
Shared: RPG · Adventure · Fantasy

Dragon's Dogma: Dark Arisen
Shared: RPG · Adventure · Fantasy

Divinity: Original Sin - Enhanced Edition
Shared: RPG · Adventure · Fantasy

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

Fallout 4
Shared: RPG · Adventure · Open World