Games like Dune: Imperium - Immortality
Games like Dune: Imperium - Immortality include Dune: Imperium, Stellaris, Tabletop Simulator, Europa Universalis IV, and The Bazaar. We matched them by the tags players give Dune: Imperium - Immortality on Steam (Strategy, Board Game, Deckbuilding, Simulation, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Dune: Imperium
Shared: Strategy · Board Game · Deckbuilding

Stellaris
Shared: Strategy · Sci-fi · Grand Strategy

Tabletop Simulator
Shared: Board Game · Simulation · Tabletop

Europa Universalis IV
Shared: Strategy · Simulation · Grand Strategy

The Bazaar
Shared: Strategy · Deckbuilding · Card Game

Victoria 3
Shared: Strategy · Simulation · Grand Strategy

UNO
Shared: Board Game · Card Game · Strategy

X4: Foundations
Shared: Simulation · Strategy · Sci-fi

Hearts of Iron IV
Shared: Strategy · Grand Strategy · Simulation

Crusader Kings III
Shared: Strategy · Simulation · Grand Strategy

Cultist Simulator
Shared: Card Game · Simulation · Board Game

Slay the Spire 2
Shared: Deckbuilding · Strategy · Card Game

Hardspace: Shipbreaker
Shared: Simulation · Sci-fi · Strategy

Manor Lords
Shared: Strategy · Simulation · Grand Strategy

Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · Simulation

Through the Ages
Shared: Strategy · Board Game · Card Game

Terraforming Mars
Shared: Strategy · Board Game · Tabletop

Twilight Struggle
Shared: Strategy · Board Game · Tabletop

FTL: Faster Than Light
Shared: Strategy · Sci-fi · Simulation

Europa Universalis V
Shared: Strategy · Simulation · Grand Strategy

Clank!
Shared: Strategy · Board Game · Deckbuilding

GWENT: The Witcher Card Game
Shared: Strategy · Card Game · Deckbuilding

Magic: The Gathering Arena
Shared: Strategy · Deckbuilding · Card Game

Balatro
Shared: Deckbuilding · Strategy · Card Game