Single-player games like Dominus Orbis Maris 1400: Mare Nostrum
Below are 8 single-player Steam games similar to Dominus Orbis Maris 1400: Mare Nostrum, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
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
Kaperfahrt
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
Sail an open Caribbean where every choice matters. Plunder ships in fierce naval battles, trade between rival houses, and build yourself from a humble sloop into a feared legend. Kaperfahrt is your pirate sandbox on a grand scale.
- 2
Sailors: Age of Corsairs
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
Become a merchant, pirate, or privateer in the 17th century Caribbean! Join colonial powers or fight for gold and glory in this epic sandbox crew simulator!
- 3
Sailing Era
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy and Simulation with Dominus Orbis Maris 1400: Mare Nostrum.
Every voyage is a journey of "Sailing & Beyond" in Sailing Era! Navigate your fleet and sail for fun; run a business; have a romantic encounter in the tavern; capture pirates amid intense battle; explore inland for treasure... Experience foreign culture, make novel discoveries, and sail away!
- 4
Computer Tycoon
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy and Indie with Dominus Orbis Maris 1400: Mare Nostrum.
Computer Tycoon is a fairly complex Business Grand Strategy game about Computer Evolution. Start in the 70s, invent until 2034, create the best computer systems, upgrade your infrastructure, lead a team, and alter computer history! It is time to "Think Different"
- 5
Port Royale 4
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy and Simulation with Dominus Orbis Maris 1400: Mare Nostrum.
Set sail and join the colonial powers of Spain, England, France and the Netherlands in their fight for supremacy of the Caribbean in the 17th century.
- 6
Corsair Cove
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy and Simulation with Dominus Orbis Maris 1400: Mare Nostrum.
Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!
- 7
Grand Ages: Medieval
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy and Simulation with Dominus Orbis Maris 1400: Mare Nostrum.
Rise from the humble role of a simple mayor governing a small settlement and rule over all of Europe.
- 8
East India Company
Single-player alternative to Dominus Orbis Maris 1400: Mare Nostrum — playable solo, no multiplayer required. Shares Strategy with Dominus Orbis Maris 1400: Mare Nostrum.
Trade exotic goods, command fleets, and dominate 17th-century seas. This blend of real-time strategy and naval warfare lets you build a trading empire across Europe and Asia. Strategize trade routes, engage in epic naval battles, and expand your influence to become the ultimate maritime force.