Single-player games like DrainSim
Below are 9 single-player Steam games similar to DrainSim, 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 DrainSim page.
Ranked picks
- 1

Be
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Indie and Simulation with DrainSim.
Build, relax or explore in a beautiful world. Chill out next to a lake or build crazy structures (with friends!) Choose your own weather & time of day.
- 2

Cash Cleaner Simulator
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Indie and Simulation with DrainSim.
Check it, clean it, sort it, ship it. Welcome to the life of a cash cleaner. Take jobs from underworld contacts and clean some cash. Just don't try to leave...
- 3

Michelangelo: Stonemason Simulator
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Indie and Simulation with DrainSim.
Shape stone into masterpieces as Michelangelo. Tap away, level up your skills, and create art – from a simple pillar to the world-famous David. A full evening's experience for the price of a cappuccino 😇
- 4

Vape Store Miami
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Indie and Simulation with DrainSim.
Run your own retro Miami vape shop in this 1–4 player co-op simulator. Stock shelves, serve customers, craft custom e-liquids, handle phone and online orders, grow your reputation, and expand the business.
- 5

FISHERY
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Indie and Simulation with DrainSim.
Fishery is a stylized aquarium simulation game. Harness your creativity to build and maintain beautiful aquatic habitats. Then relax and watch your beautiful fish enjoy their home.
- 6

subROV : Underwater Discoveries
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Simulation and Casual with DrainSim.
Pilot a remotely operated submarine and explore the oceans! Defy the darkness and crushing pressure of the deeps as you chart unknown regions and study new species of ocean life.
- 7

Brewmaster: Beer Brewing Simulator
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Simulation with DrainSim.
Brew your perfect beer in this relaxing home brewing sim. Use a realistic chemistry simulation to brew hoppy IPAs to creamy stouts. Customise your brewing space, create recipes and label your beer, unlock new equipment and enter competitions. Learn to brew, refine your craft and become a Brewmaster!
- 8

Mushroom Season
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Indie and Simulation with DrainSim.
Dive into Mushroom Season! Customize your character, explore lush forests, and compete in thrilling mushroom picking contest. Identify mushrooms, avoid the poisonous ones, and aim for the top trophy. Are you the ultimate forager?
- 9

Timberborn
Single-player alternative to DrainSim — playable solo, no multiplayer required. Shares Indie and Simulation with DrainSim.
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.