Games like Gjallarhorn
Games like Gjallarhorn include Baldur's Gate 3, The Witcher 3: Wild Hunt — Remastered, Clair Obscur: Expedition 33, Dragon Age: Origins - Ultimate Edition, and Solasta: Crown of the Magister. We matched them by the tags players give Gjallarhorn on Steam (RPG, Choices Matter, Character Customization, Turn-Based Combat, and Story Rich): closest matches first, and among equally close ones the better-known games.

Baldur's Gate 3
Shared: RPG · Choices Matter · Character Customization

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

Clair Obscur: Expedition 33
Shared: Turn-Based Combat · RPG · Story Rich

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

Solasta: Crown of the Magister
Shared: RPG · Character Customization · Fantasy

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: RPG · Character Customization · Fantasy

Hogwarts Legacy
Shared: RPG · Fantasy · Open World

Warhammer 40,000: Rogue Trader
Shared: RPG · Choices Matter · Character Customization

Dragon Age™ Inquisition
Shared: RPG · Character Customization · Choices Matter

The Witcher 2: Assassins of Kings Enhanced Edition
Shared: RPG · Choices Matter · Story Rich

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

FINAL FANTASY XIV Online
Shared: RPG · Character Customization · Fantasy

Pillars of Eternity II: Deadfire
Shared: RPG · Story Rich · Character Customization

Shadow Gambit: The Cursed Crew
Shared: RPG · Character Customization · Choices Matter

GreedFall
Shared: RPG · Character Customization · Choices Matter

Tyranny
Shared: RPG · Choices Matter · Story Rich

Wasteland 3
Shared: Choices Matter · Character Customization · RPG

Pillars of Eternity
Shared: RPG · Fantasy · Story Rich

Drova - Forsaken Kin
Shared: RPG · Character Customization · Choices Matter

Tainted Grail: The Fall of Avalon
Shared: RPG · Character Customization · Open World

The Witcher: Enhanced Edition Director's Cut
Shared: RPG · Choices Matter · Story Rich

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Character Customization · Fantasy

OCTOPATH TRAVELER II
Shared: RPG · Story Rich · JRPG

Undertale
Shared: Choices Matter · Story Rich · RPG