Single-player games like Not Enough Space
Below are 10 single-player Steam games similar to Not Enough Space, 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 Not Enough Space page.
Ranked picks
- 1
The Fibrous - Operation Reclaim
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Adventure with Not Enough Space.
The Fibrous - Sci-Fi Online or Single-Player TPS (Over-The-Shoulder) covering the story of an ex-marine recruited by what's left of the military to help take back Earth after a meteor crash-lands into Earth and aliens with fiber-like skin emerge, thinking they can take this planet for their own.
- 2
Humanoid
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Indie with Not Enough Space.
Embark on a heart-pounding journey in this survival open-world game, where a relentless creature, Humanoids prowls the landscape. Explore, craft, build, and fight for your life as you navigate the dangerous world.
- 3
Niktophobia
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Indie with Not Enough Space.
NIKTOPHOBIA - sci-fi horror for 1-4 players. The team arrives at the space station to extract alien bio-samples. Players will use various tools and manipulate the station's energy to get out of trouble together.
- 4
SENTRY
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Indie with Not Enough Space.
SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.
- 5
Stellar Valkyrie
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Indie with Not Enough Space.
Space bounty hunter Falco must explore the solar system in search of his ex-girlfriend and destroy the Black Star cult. Collect bounties, upgrade your equipment, explore planets, crack wise & fight aliens in this GZDoom-powered Retro-FPS adventure.
- 6
Unsafe Express
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Indie with Not Enough Space.
Unsafe Express is a cooperative first-person survival horror game for 1-4 players. Navigate through space stations, collect materials and outlast your enemies! Choose your objective based on complexity levels, then cast your vote. Gather items, exterminate hostiles, fulfill missions and repeat!
- 7
AlterSpace
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Adventure and Early Access with Not Enough Space.
Explore a vast universe, uncover the mystery of humanity's demise, gather resources, build bases, and scan the unknown. Your journey awaits in this post-apocalyptic sci-fi adventure.
- 8
War of the Worlds
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Indie with Not Enough Space.
Hardcore horror open world survival game which throws the player into the middle of the extermination of mankind with the sole purpose of surviving long enough to find a way to bring down the alien machines. Loot buildings, fight off hostile survivors, stay hidden from the machines, and stay alive.
- 9
Симулятор ПВЗ
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Indie with Not Enough Space.
Станьте владельцем пункта выдачи заказов своего любого маркетплейса в этом Симуляторе ПВЗ! Разгружайте посылки, отдавайте заказы, занимайтесь менеджментом и просто зарабатывайте деньги. Сможете ли вы сделать самый успешный пункт выдачи заказов?
- 10
CubeRun 2
Single-player alternative to Not Enough Space — playable solo, no multiplayer required. Shares Action and Indie with Not Enough Space.
You are a cube. Fight with other enemy cubes in a procedurally generated map. Earn rewards and customize yourself and your surroundings in this action shooter with a top view