Single-player games like Mare Nostrvm
Below are 11 single-player Steam games similar to Mare Nostrvm, 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 Mare Nostrvm page.
Ranked picks
- 1
Strategos
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Strategos is a real-time tactics wargame set in classical antiquity. Simulate large-scale battles with over 120 factions, and 250+ units, from the ancient world. Create custom battles, or take command of historical ones.
- 2
Field of Glory II
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Field of Glory II is a turn-based tactical game set during the Rise of Rome from 280 BC to 25 BC.
- 3
Qvadriga
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Qvadriga is a tactical game of chariot racing in ancient Roman circuses, where you take control of a four horse chariot team. Choose your preferred upgrade combinations and prove your skills at the arena.
- 4
Aggressors: Ancient Rome
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
A mix of deep gameplay and rich historical flavor, Aggressors: Ancient Rome lets you relive history as the ruler of one of the mighty civilizations of the ancient Mediterranean. Choose one of twenty available factions and conquer the world.
- 5
Sengoku Jidai: Shadow of the Shogun
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Sengoku Jidai: Shadow of the Shogun is a turn-based tactical and strategic game set during the Sengoku era; primarily focusing on the Japanese Warring States period and Japanese Invasion of Korea.
- 6
Battle Academy 2: Eastern Front
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Sequel to its successful predecessor, Battle Academy 2 moves the action east – to the bloodied plains of Mother Russia. When a gritty new look, great new features, and random mission generation meet battle-proven gameplay you can be sure of a turn-based strategy classic!
- 7
Hegemony III: Clash of the Ancients
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Command armies, manage resources, and build an empire in this real-time strategy wargame from Longbow Games. Will Rome fulfil its destiny to rule the ancient world or will history be rewritten to forge a new Etruscan, Gallic, or Greek hegemony!
- 8
Battle Fleet 2
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Welcome Admiral! Select your fleet, assign weapons, and sink the enemy fleet by controlling each of your ships down to setting the aim and range of each weapon's shot. Features include full open world Pacific & Atlantic campaigns, cross-platform multiplayer and awesome turn-based naval battles.
- 9
Fields of Glory
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
Return to a true wargame based on Napoleon's Waterloo campaign! Become a General in control of huge armies in this classic, historic-themed RTS!
- 10
Combat Mission Cold War
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
CM Cold War is set in the tipping-point years of a conflict that gripped the world for 45 years. Between 1979-1982, both the NATO and Soviet Warsaw Pact militaries began the shift away from industrialized warfare of the early 20th century and towards the modern digital battlefield of today.
- 11
CHEXS
Single-player alternative to Mare Nostrvm — playable solo, no multiplayer required. Shares Strategy with Mare Nostrvm.
CHEXS is an evolution of chess, a new take on the old classic. It is a strategy game played on a hexagonal board where both sides move all of its pieces within a single turn, then all movements are solved simultaneusly.