Free games like Dominus Orbis Maris 1400: Mare Nostrum
Below are 8 free-to-play Steam games similar to Dominus Orbis Maris 1400: Mare Nostrum, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Dominus Orbis Maris 1400: Mare Nostrum page.
Ranked picks
- 1
Landfall Archives
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 2
The Last Sovereign
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
- 3
The Life and Suffering of Sir Brante — Chapter 1&2
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!
- 4
Crusader Kings II
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Strategy and Simulation with Dominus Orbis Maris 1400: Mare Nostrum.
Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.
- 5
Supermarket Together
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Indie and Simulation with Dominus Orbis Maris 1400: Mare Nostrum.
The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action!
- 6
Age of Empires III: Definitive Edition
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Strategy with Dominus Orbis Maris 1400: Mare Nostrum.
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
- 7
Blackwake
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
Blackwake is a multiplayer naval FPS focused on teamwork and cooperation. Fire the cannons, sink enemy ships or board them with firearms and steel.
- 8
War Selection
Free-to-play alternative to Dominus Orbis Maris 1400: Mare Nostrum — no purchase or trial window. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.