Single-player games like Outer Space: War Gears
Below are 8 single-player Steam games similar to Outer Space: War Gears, 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 Outer Space: War Gears page.
Ranked picks
- 1
beta decay
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
beta decay is a dark, dystopian RPG where you can build spaceships, join factions, and fight for territory in a newly discovered star system. Become an engineer repairing starships, a mech pilot commanding war machines, to a syndicate leader, executing raids deep within a labyrinthic neon city.
- 2
Expedition Astra
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
Old machines guard silent asteroid sites across the outer solar system. Pilot a 6DoF spacecraft, fight around the rock, dock with old vessels, and touch the asteroid to extract rare materials.
- 3
StalSide
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
Trapped inside a broken computer simulation of a post‑nuclear world, you must survive, explore, and uncover the secrets of the zone. Play solo or with up to 8 friends in this chilling mix of survival and digital mystery.
- 4
Zero World
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
Gather resources, craft items, kill others, raid houses, but don't get raided yourself
- 5
Morte Accendere
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
A sci-fi zombie infected third or first person action with elements of parkour, combat with weapons or hand to hand, many modes of transportation. Ability to craft items and build your safe zone.
- 6
Roten
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
ROTEN is an open-world survival experience set in a world slowly reclaimed by decay. Explore abandoned places, where silent points of interest hide fragments of forgotten stories, face the infected, and survive in a quiet, hostile environment.
- 7
Warfield
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
Warfield ,Singleplayer and Multiplayer War Game.
- 8
DotStrike
Single-player alternative to Outer Space: War Gears — playable solo, no multiplayer required. Shares Action and Indie with Outer Space: War Gears.
DotStrike is a 3D online shooter in which alien invaders in the form of colored spheres fight each other in a seaport. But the aliens are not fighting alone.