Single-player games like Orbit Zero
Below are 8 single-player Steam games similar to Orbit Zero, 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 Orbit Zero page.
Ranked picks
- 1
Realpolitiks 3: Earth and Beyond
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy and Simulation with Orbit Zero.
Prove your political brilliance in a grand strategy like no other: pick any contemporary country, set up your government and navigate the pitfalls of domestic and international politics. A glorious destiny awaits - the domination of not just the Earth, but the whole Solar system!
- 2
Star Trek: Infinite
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy and Simulation with Orbit Zero.
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
- 3
Computer Tycoon
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy and Simulation with Orbit Zero.
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"
- 4
Galactic Civilizations® II: Ultimate Edition
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy with Orbit Zero.
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
- 5
Terra Invicta
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy and Simulation with Orbit Zero.
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
- 6
Stellaris
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy and Simulation with Orbit Zero.
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
- 7
Sins of a Solar Empire®: Rebellion
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy and Simulation with Orbit Zero.
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.
- 8
East India Company
Single-player alternative to Orbit Zero — playable solo, no multiplayer required. Shares Strategy with Orbit Zero.
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.