Single-player games like Etherium
Below are 14 single-player Steam games similar to Etherium, 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 Etherium page.
Ranked picks
- 1
Rank: Warmaster
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
- 2
Advisors at the End of the Universe
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
AEU is a fast paced realtime strategy and 4x hybrid. Players influence their empire to grow, fight, forge alliances or engage in trade. Players are given control over the empire's traits, research and a set of three types of abilities(Construction, Plagues and Agents) to accomplish their goals.
- 3
Sins of a Solar Empire: Trinity®
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
- 4
Sins of a Solar Empire®: Rebellion
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
- 5
Northgard: Definitive Edition
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Northgard: Definitive Edition is a critically acclaimed real-time strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne!
- 6
Battlefleet Gothic: Armada (Classic)
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Battlefleet Gothic: Armada is the RTS videogame adaptation of Games Workshop’s classic tabletop game, pitting the Chaos, Imperium, Eldar, and Orks against each other in visceral space-battles.
- 7
Earth 2150 Trilogy
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
- 8
Spacebase Startopia
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Spacebase Startopia captivates with its original mixture of economic simulation and empire building strategy paired with classic RTS skirmishes and a good dose of humor.
- 9
Age of Empires® III (2007)
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Microsoft Studios brings you three epic Age of Empires III games in one monumental collection for the first time.
- 10
Z
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
“Z”, the classic Real Time Strategy Game by the Bitmap Brothers. Fans of this classic strategy title are in for a real treat. Everything is in here from the terrific comedy cut scenes to the frantic game play making this is the definitive version of Z.
- 11
Aliens: Dark Descent
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
- 12
Battlefleet Gothic: Armada 2
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
- 13
EverSiege: Untold Ages
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
Retreating ends here. Defend Bastion against evil hordes, reclaim lost powers, rebuild ancient ruins, and adapt your tactics to reverse the siege. Shape your playstyle in this hero-strategy rogue-lite solo or co-op up to 3 players.
- 14
Bunker Constructor
Single-player alternative to Etherium — playable solo, no multiplayer required. Shares Strategy with Etherium.
In Bunker Constructor you build strong bunkers that protect against enemy attacks. You must build resilient bunkers through 45 levels and in 5 environments including desert, forest, beach, mountains and city ruins, because the next attack wave is already underway!