Single-player games like Rat Overflow
Below are 8 single-player Steam games similar to Rat Overflow, 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 Rat Overflow page.
Ranked picks
- 1
Horsey Game
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation with Rat Overflow.
Collect Horses. Breed Horses. Race Horses. Genetically Modify Horses. Create a Horse paradise or just get rich!
- 2
Corsair Cove
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation with Rat Overflow.
Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!
- 3
Tiny Aquarium: Social Fishkeeping
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation and Casual with Rat Overflow.
A happy aquarium that lives at the bottom of your screen! Tiny Aquarium is a social idle simulator that keeps growing, even when offline. Hatch, sell fish, decorate, go fishin’, and visit your friends’ aquariums with bite-sized daily sessions.
- 4
Let's Build a Zoo
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation with Rat Overflow.
It's time to Build a Zoo! Construct and decorate enclosures, buy and breed animals, hire zookeepers and vets... then try your hand at DNA splicing, and stitch together over 300,000 different types of animal. This can only go smoothly...
- 5
Little Aviary
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation and Casual with Rat Overflow.
Little Aviary is a relaxing idle bird collector that sits at the bottom of your screen! Hatch unique birds, sell them, decorate, then watch them fly around your screen and perch on top of your other windows!
- 6
Tiny Pasture
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation and Casual with Rat Overflow.
Meet your new little desk buddies! They’ll snooze, scratch, and scamper around while you work or study (don’t worry, they’ve been trained not to invade your workspace). If you’re good at animal management, they will occupy the bottom of your screen with different kinds and colors!
- 7
Slime Rancher
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation with Rat Overflow.
Slime Rancher is the tale of Beatrix LeBeau, a plucky, young rancher who sets out for a life a thousand light years away from Earth on the ‘Far, Far Range’ where she tries her hand at making a living wrangling slimes.
- 8
Sticky Business
Single-player alternative to Rat Overflow — playable solo, no multiplayer required. Shares Simulation and Casual with Rat Overflow.
Experience the joy of running your own cozy small business: Create stickers, pack orders and hear your customers’ stories. Time to build the cutest shop on the internet!