Games like Expeditions: Viking
Games like Expeditions: Viking include Baldur's Gate 3, XCOM 2, Battle Brothers, Warhammer 40,000: Rogue Trader, and Mount & Blade II: Bannerlord. We matched them by the tags players give Expeditions: Viking on Steam (RPG, Turn-Based, Strategy, Vikings, and Character Customization): closest matches first, and among equally close ones the better-known games.

Baldur's Gate 3
Shared: RPG · Character Customization · Story Rich

XCOM 2
Shared: Strategy · RPG · Character Customization

Battle Brothers
Shared: RPG · Strategy · Turn-Based

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

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Medieval

Crusader Kings III
Shared: Strategy · RPG · Medieval

Wasteland 3
Shared: Character Customization · RPG · Story Rich

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

Kingdom Come: Deliverance
Shared: RPG · Medieval · Story Rich

The Banner Saga 3
Shared: RPG · Strategy · Story Rich

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

Kingdom Come: Deliverance II
Shared: RPG · Story Rich · Medieval

The Banner Saga
Shared: Turn-Based · RPG · Strategy

The Banner Saga 2
Shared: RPG · Strategy · Story Rich

Shadow Gambit: The Cursed Crew
Shared: RPG · Strategy · Character Customization

Solasta: Crown of the Magister
Shared: RPG · Character Customization · Story Rich

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

Fell Seal: Arbiter's Mark
Shared: RPG · Strategy · Turn-Based

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

OCTOPATH TRAVELER™
Shared: RPG · Turn-Based · Story Rich

XCOM®: Chimera Squad
Shared: Strategy · Turn-Based · RPG

Wandering Sword
Shared: RPG · Turn-Based · Story Rich

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: RPG · Turn-Based · Strategy

The Last Spell
Shared: RPG · Strategy · Turn-Based