Single-player games like Space Journey
Below are 13 single-player Steam games similar to Space Journey, 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 Space Journey page.
Ranked picks
- 1

Rebel Galaxy
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
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.
- 2

Between the Stars
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
- 3

3030 Deathwar Redux - A Space Odyssey
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
- 4

Objects in Space
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
- 5

Deliver Us The Moon
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
The Moon has gone dark, cutting off Earth’s last source of energy. As a lone astronaut, you’ll explore abandoned lunar bases, solve intricate puzzles, and navigate stunning zero-gravity environments. Operate advanced vehicles, uncover hidden truths, and survive in this gripping sci-fi thriller.
- 6

Digger: Galactic Treasures
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Digger: Galactic Treasures is a space adventure where you drill into asteroids to uncover rare resources and hidden treasures. Explore the galaxy, upgrade your gear, and discover the secrets of the universe!
- 7

Redout: Space Assault
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Redout: Space Assault is arcade space battle, coupling the trademark Redout adrenaline with the thrill of combat. Outsmart, outmaneuver, overpower, outclass your opponents in lightning-fast, adrenaline-inducing single-player space combat.
- 8

House of the Dying Sun
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
- 9

ZRoll
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
In ZRoll you will encounter many difficult levels. You will need to jump over the platforms, use different mechanisms and collect ancient totems to earn achievements and pass the levels.
- 10

Reflecting Fate
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Game represents detective thriller from the first person with elements of my mysticism. Action takes place in 1996 in Denwood, player personates as its original resident. Suddenly cattle began to disappear on the island. Animals disappeared at nights absolutely without a trace, and, it seems that nobody could prevent it.
- 11

Deltaplan Simulator
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Deltaplan Simulator is an adventure game in which you need to perform a variety of tricks and tasks flying on a hang-glider.
- 12

Singularity Roller
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Play for the ancient God of Singularity, whose spirit is trapped on earth. Use wormholes and gravity anomalies to bypass the obstacles and pass levels.
- 13

Space Shaft
Single-player alternative to Space Journey — playable solo, no multiplayer required. Shares Action and Indie with Space Journey.
Space Shaft is a space simulator from the first person. Explore the asteroid belt. Collect the gas clouds to accumulate them into energy. Use this energy to accelerate and maneuver.