Single-player games like Vanguard Galaxy
Below are 8 single-player Steam games similar to Vanguard Galaxy, 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 Vanguard Galaxy page.
Ranked picks
- 1
Sector Space
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Indie and Simulation with Vanguard Galaxy.
Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items, construct gear, level up, improve your ship, assemble a fleet, engage in combat, and take on the void.
- 2
Unnamed Space Idle
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Simulation and Casual with Vanguard Galaxy.
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.
- 3
Eventide Matter
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Indie with Vanguard Galaxy.
A 2D space mining adventure. Mine exotic resources, unlock powerful equipment, and fend off relentless enemies to build an inter-dimensional portal, the last hope of salvation for your civilization.
- 4
Star Valor
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Indie with Vanguard Galaxy.
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
- 5
Void War
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Indie with Vanguard Galaxy.
Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.
- 6
Elite Dangerous
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Simulation with Vanguard Galaxy.
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
- 7
Rebel Galaxy
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Indie and Simulation with Vanguard Galaxy.
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
- 8
No Man's Sky
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.