Single-player games like plexum
Below are 8 single-player Steam games similar to plexum, 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 plexum page.
Ranked picks
- 1
Industronaut
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Adventure and Simulation with plexum.
A survival engineering game where you build life support habitats, mine resources, and automate production chains on a radiation heavy planet. No rescue. No support. Just engineering.
- 2
Vena
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Simulation and Casual with plexum.
An automation roguelike where every run fits in one sitting. Place hexagonal tiles to grow a production organism, roll dice in the shop to buy new ones, and pick perks that shape your build. Survive nine phases as the Nexus's hunger outpaces you, then break the economy and do it all differently.
- 3
FluxWerks
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Adventure and Simulation with plexum.
Every block of this planet is real, including fluids! Dig it, flood it, process it. FluxWerks is a factory automation game on a fully destructible voxel world with physical fluid and heat simulation. Dig anywhere, automate everything, and survey a world that was supposed to be empty.
- 4
Beyond These Stars
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Simulation with plexum.
Build a city on the back of a Space Whale and learn to coexist as you journey through the stars. Manage intricate supply chains and the needs of your people as you build outposts, meet aliens, and uncover the mysteries of the universe.
- 5
Harvesys: Farming Factory
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Simulation and Casual with plexum.
Automate everything from planting to shipping! Connect conveyors and pipes to build a flawless production line. The thrill of maximizing efficiency and watching profits explode is addictive. Unleash your ingenuity and engineer the world's ultimate farming factory!
- 6
Gobs & Gears
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Simulation with plexum.
Reconstruct a Gob factory lost in the Fog. Route resources, put the Gobs to work, and build the BIG BOOM. The Gob King wants his bomb and he wants it NOW!
- 7
Red Dust Colony
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Simulation with plexum.
The spirit of the space race lives on in this Mars based colony sim. Mine, craft and research in order to build up your initial lander into a self sustaining colony. Keep oxygen levels high and CO₂ levels low. Discover and grow a variety of plants to balance out colonist nutrition.
- 8
Lexip
Single-player alternative to plexum — playable solo, no multiplayer required. Shares Simulation and Early Access with plexum.
Lexip is a cozy fantasy factory game about magic, rail logistics, and questionable sustainability. Build production chains across the overworld and underground, power machines with local magic, fulfill contracts, and keep Null pollution under control.