Games like Mind the Vikings
Games like Mind the Vikings include Manor Lords, Cities: Skylines, RimWorld, Dwarf Fortress, and Against the Storm. We matched them by the tags players give Mind the Vikings on Steam (Immersive Sim, City Builder, Survival, Procedural Generation, and Strategy): closest matches first, and among equally close ones the better-known games.

Manor Lords
Shared: City Builder · Strategy · Simulation

Cities: Skylines
Shared: City Builder · Strategy · Sandbox

RimWorld
Shared: Survival · Strategy · Sandbox

Dwarf Fortress
Shared: City Builder · Strategy · Sandbox

Against the Storm
Shared: City Builder · Strategy · Simulation

SimCity™ 4 Deluxe Edition
Shared: Immersive Sim · City Builder · Sandbox

Prison Architect
Shared: Sandbox · City Builder · Strategy

Kenshi
Shared: Survival · Immersive Sim · Sandbox

The Universim
Shared: City Builder · Survival · Sandbox

Cities: Skylines II
Shared: City Builder · Sandbox · Building

Frostpunk
Shared: City Builder · Survival · Strategy

Banished
Shared: City Builder · Survival · Strategy

Workers & Resources: Soviet Republic
Shared: City Builder · Strategy · Simulation

Ostriv
Shared: City Builder · Strategy · Survival

Settlement Survival
Shared: City Builder · Survival · Building

Timberborn
Shared: City Builder · Sandbox · Survival

Kingdoms and Castles
Shared: City Builder · Strategy · Management

Empires of the Undergrowth
Shared: City Builder · Strategy · Simulation

Stonehearth
Shared: City Builder · Survival · Sandbox

Planet Coaster 2
Shared: City Builder · Strategy · Sandbox

Endzone - A World Apart
Shared: City Builder · Survival · Strategy

Infection Free Zone
Shared: City Builder · Strategy · Survival

Foundation
Shared: City Builder · Strategy · Sandbox

Jurassic World Evolution
Shared: Strategy · City Builder · Building