Single-player games like Terrafactory: Idle Planet
Below are 8 single-player Steam games similar to Terrafactory: Idle Planet, 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 Terrafactory: Idle Planet page.
Ranked picks
- 1
Sludgineers
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Simulation and Casual with Terrafactory: Idle Planet.
Clean, mine and refine pollution in this active incremental game. Cruise through the countryside earning cash and resources, build a refinery, process materials, upgrade equipment, unlock new areas and complete quests.
- 2
Sea and Sundry
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Simulation with Terrafactory: Idle Planet.
Sea and Sundry is a short incremental game about an otter and the sea. Catch clams, scallops, and urchins before they slip away, then crack them open for the tasty morsels. Adapt each night for quicker hands, a sharper eye, or a heavier rock. Forage farther each day, all the way to the abyss.
- 3
Astromental Incremental
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Indie and Simulation with Terrafactory: Idle Planet.
Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.
- 4
Harvesters
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Indie and Simulation with Terrafactory: Idle Planet.
A short incremental game about gathering resources on different planets. Upgrade the harvesters, unlock new buildings, and unlock new ways to gather resources! It's all about watching lil people do their thing.
- 5
Bloom Inc
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Indie and Simulation with Terrafactory: Idle Planet.
Bloom Inc is a cozy incremental gardening game. Harvest plants, unlock skills and abilities. Explore different maps and grow your own plants in the background.
- 6
HarvestCo.
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Indie and Simulation with Terrafactory: Idle Planet.
HarvestCo is a farming incremental idle game where a small field turns into an increasingly efficient money-making machine. Harvest crops, buy upgrades, grow passive income, automate production, and discover rare golden crops and strange field events.
- 7
Tiny Capsule Collector
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Indie and Simulation with Terrafactory: Idle Planet.
Run a cozy capsule shop at the bottom of your screen. Attract adorable animal customers, collect charming capsule toys, create & decorate a relaxing, ambient world. This idle sim brings you small moments of joy with cute companions while you work or study. Make your desktop a place you’d rather be.
- 8
Working Class Monsters
Single-player alternative to Terrafactory: Idle Planet — playable solo, no multiplayer required. Shares Simulation and Casual with Terrafactory: Idle Planet.
Open packs. Collect monsters. Watch the gold pile up. A cozy incremental about a monster workforce - place goblins, undead, and abyssal horrors across tiles where the right neighbors mean bigger payouts. Grow your sleepy island into a gold printing empire and unlock hidden islands to settle on.