Single-player games like Entropy Department
Below are 9 single-player Steam games similar to Entropy Department, 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 Entropy Department page.
Ranked picks
- 1
Malignus
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Strategy and Simulation with Entropy Department.
Malignus is a 2D dungeon colony sim and emergent story generator. Play as a boss monster and their underling minions and creatures, expanding your underground dominion, building traps, and defending your prisoners and treasures from invading adventurers.
- 2
Deepworks
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Strategy and Simulation with Entropy Department.
Earth is gone. The fleet is hungry. Drop a Hub on a generated claim, find the seam, and let the robots dig. Every machine you build makes noise — and noise is how the machines that took the planet find you. Hold the line, launch with the take, sell it, and go deeper.
- 3
Bunker Constructor Simulator
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Simulation with Entropy Department.
Become a bunker builder: take on contracts from the government and local residents, construct underground rooms and furnish them. Grow your business and work toward your ultimate goal — buying your own home and building a fully protected underground bunker.
- 4
Underground Nomads
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Strategy and Simulation with Entropy Department.
You command a drilling train, leading a dwarf clan through the underground depths toward the planetary core. Manage the crew, complete expeditions, gather resources, upgrade gear, and make tough choices to reach the abandoned city and bring your people back home.
- 5
RAT CITY: Ratocracy
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Strategy and Simulation with Entropy Department.
Build and Manage a Rat City. Run it into the ground. Literally. Keep your Rats happy and productive. Create for them a glorious colony in the dirt! The never ending demand for the production of products to consume is all consuming. Wait, is this real life? No, it's RAT CITY!
- 6
Antopolis: The Ant Colony Simulator
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Strategy and Simulation with Entropy Department.
Found a colony, dig a nest, and raise an empire of ants in a giant's back garden. A top-down colony sim of pheromone trails, brood and castes, foraging, and three-way war. Survive a whole backyard food chain of spiders, birds, frogs, and rival ant colonies.
- 7
Territory: Animals Genetic Strategy
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Strategy and Simulation with Entropy Department.
Strategy game about genes and animal species. Evolve, reproduce, expand to new territories, survive, and fight to achieve various goals like biodiversity or dominance in the ecosystem.
- 8
Mars Horizon 2: The Search for Life
Single-player alternative to Entropy Department — playable solo, no multiplayer required. Shares Strategy and Simulation with Entropy Department.
Lead your space agency in The Search for Life in this authentic strategy simulation game. Investigate the solar system and collect evidence of life. Manage base building, rocket designing, launches, and mission planning to Mars and beyond, leading the way in the future of space exploration.
- 9
Mighty Fling
Single-player alternative to Entropy Department — playable solo, no multiplayer required.
Take control of a mighty ball and fling with great precision towards the top of the Tower. Jump through aesthetically pleasing environments filled with intriguing creatures and encounters. Falling is part of the journey, so just keep going. Can you reach the end?