Single-player games like ERA ONE
Below are 16 single-player Steam games similar to ERA ONE, 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 ERA ONE page.
Ranked picks
- 1
ZeroSpace
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
ZeroSpace is a sci-fi hybrid RTS game with a story-rich, party-based RPG campaign. As commander of the Protectorate forces, you must upgrade your mothership, build strong relationships with your crew and recruit a formidable army. Navigate the hard choices that will shape humanity's future.
- 2
Admirals of Ophiuchus
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Design massive ships, bristling with weapons, on a macro scale. Engage in fleet-vs-fleet battles, featuring many different tactics. Play alone or in Coop combat missions, or form two teams of players (each with own fleet) to fight in an arena.
- 3
Solar Kingdoms: Human Survival
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Solar Kingdoms is a real-time strategy game where you command forces across solar systems, engaging in large battles both in space and on the surfaces planets. Establish colonies, find resources and artifacts, and fight up to 8 factions in skirmish, large campaign, missions, and multiplayer.
- 4
Clankerfront
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Clankerfront is a classic isometric RTS where AI research went too far and awakened the world’s home appliances against humanity. Build bases, command armies, fight solo or co-op, and defend the front from the clankers.
- 5
Calyx
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy and Early Access with ERA ONE.
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
- 6
SpaceCraft Brawl
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Build spacecrafts and fight with or against your friends! This game offers physics driven gameplay, with a variety of weapons and powerups. Slice your enemies in half with a laser beam, or erase them from existence with a black hole bomb!
- 7
FleetLord
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
A space RTS about decisions, not menus. Conquer planets, link them to fuel your war machine, and level up your empire with randomized perk cards. Crush all opposition.
- 8
Lichworks
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
You are a necromancer, build your undead empire. A necromancer automation game where your army is your logistics network. Route mindless minions via signposts, automate production chains, equip your soldiers and conquer the Human Empire.
- 9
Stellar Warfare
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
- 10
Homeworld Remastered Collection
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.
- 11
Space Engineers
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
- 12
Minecraft: Story Mode - A Telltale Games Series
Single-player alternative to ERA ONE — playable solo, no multiplayer required.
Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.
- 13
Avorion
Single-player alternative to ERA ONE — playable solo, no multiplayer required.
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
- 14
MechWarrior 5: Mercenaries
Single-player alternative to ERA ONE — playable solo, no multiplayer required.
The year is 3015. The battlefields are dominated by war machines known as BattleMechs. Level entire cities and decimate the enemy in your BattleMech. Follow a quest for glory and revenge. Manage an expanding mercenary company. Fight alongside your friends with a four-player PvE co-op.
- 15
NavalArt
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy and Early Access with ERA ONE.
Design your own warships, equip them with a variety of armament, and bring them out to the ocean!
- 16
Starminer
Single-player alternative to ERA ONE — playable solo, no multiplayer required. Shares Strategy with ERA ONE.
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.