Single-player games like Trappist
Below are 12 single-player Steam games similar to Trappist, 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 Trappist page.
Ranked picks
- 1
Captain of Industry
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Indie with Trappist.
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
- 2
Deep Space Outpost
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Indie with Trappist.
Deep Space Outpost is a space station building & survival game, involving resource and base management. Build your space station tile by tile, mine asteroids, refine materials and keep your station operational.
- 3
Pioneers of Pagonia
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Simulation with Trappist.
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.
- 4
Cattails: Wildwood Story
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Indie and Simulation with Trappist.
Become a cat! In this cozy life sim RPG, you'll lead your colony into the mysterious Wildwood. Hunt prey, harvest herbs, collect magical treasures, & defend your new home from intruders. Build a thriving town to recruit new cats. Get to know the residents, fall in love, & raise a litter of kittens!
- 5
Railbound
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Indie with Trappist.
A relaxing puzzle game about fixing train connections and travelling the world - now with a level editor!
- 6
RimWorld
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Indie with Trappist.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 7
RAILGRADE
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Simulation with Trappist.
RAILGRADE is the train RTS game! Construct dense vertical railroads, build cities, construct vast factory chains with train automation! Restore an off world colony's economy all in the intense story driven campaign or relaxing sandbox mode!
- 8
Timberborn
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Indie with Trappist.
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
- 9
Frostpunk
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Simulation with Trappist.
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
- 10
Factorio
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Indie with Trappist.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 11
IXION
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Strategy and Indie with Trappist.
IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?
- 12
Alien
Single-player alternative to Trappist — playable solo, no multiplayer required. Shares Indie and Simulation with Trappist.
Alien is a visual novel exclusively for adults! This story is about a guy who has been dreaming of having sex with an alien woman for a very long time. At some point, this dream comes true and the guy finally fucked an alien woman!