Games like Sons of Valhalla
Games like Sons of Valhalla include Mount & Blade II: Bannerlord, Mount & Blade: Warband, Mount & Blade: With Fire & Sword, Crusader Kings III, and Mount & Blade. We matched them by the tags players give Sons of Valhalla on Steam (Medieval, Strategy, Open World, RPG, and War): closest matches first, and among equally close ones the better-known games.

Mount & Blade II: Bannerlord
Shared: Medieval · Strategy · Open World

Mount & Blade: Warband
Shared: Medieval · Open World · Strategy

Mount & Blade: With Fire & Sword
Shared: Medieval · Open World · RPG

Crusader Kings III
Shared: Medieval · Strategy · RPG

Mount & Blade
Shared: Medieval · RPG · Open World

Kingdom Come: Deliverance
Shared: Medieval · Open World · RPG

Kingdom Come: Deliverance II
Shared: Medieval · RPG · Open World

Sands of Salzaar
Shared: Open World · Strategy · RPG

Crusader Kings II
Shared: Strategy · Medieval · RPG

Middle-earth: Shadow of War
Shared: Open World · RPG · Action

Totally Accurate Battle Simulator
Shared: Strategy · Sandbox · War

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

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: Open World · RPG · Moddable

Dragon's Dogma 2
Shared: Open World · RPG · Action

Black Desert
Shared: Medieval · Sandbox · War

Crimson Desert Enhanced
Shared: Open World · Medieval · Action

Ultimate Epic Battle Simulator
Shared: Strategy · War · Sandbox

Han Xiongnu Wars
Shared: Strategy · RPG · Action

Monster Hunter: World
Shared: Open World · RPG · Action

Arma 3
Shared: Action · Open World · Simulation

Fallout: New Vegas
Shared: Open World · RPG · Moddable

Viking Frontiers
Shared: Strategy · Open World · Medieval

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Open World · Strategy

Kenshi
Shared: Open World · RPG · Sandbox