Single-player games like OshiYa
Below are 8 single-player Steam games similar to OshiYa, 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 OshiYa page.
Ranked picks
- 1
The Grand Book Archive: Tidy Up
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Indie and Simulation with OshiYa.
Restore the Grand Book Archive by sorting 2,990 archaic books onto their rightful shelves. Use your observation and magical spells to organize the collection as quickly as possible. Completing each run will unlock more powerful upgrades that will help you become the ultimate archivist.
- 2
Fox Clicker
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Indie and Simulation with OshiYa.
Restore a forgotten sanctuary with nine fox spirits in a cozy incremental game. Ring the bell, rebuild their Areas, deepen Bonds, celebrate Festivals, and make memories together.
- 3
More fish - Idle Clicker
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Indie and Simulation with OshiYa.
More fish is a simple incremental idle clicker game. It starts very calm and evolves into chaos. Catch fish, trigger atmospheric events, and scavenge for lost sea treasures. Spend your pearls and coins to unlock new skins, collect talent cards, buy fishing bobbers and upgrade a massive skill tree.
- 4
Project: C.E.L.L.
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Indie and Simulation with OshiYa.
An arcade incremental where you run cellular simulations for a megacorp obsessed with immortality. Break glucose, build combos, and spend ATP across a massive skill tree. Experiment with different glucose types, proteins, and lipids from your retro terminal.
- 5
Dyeversion
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Indie and Casual with OshiYa.
Dyeversion is a color-routing tower defense. Drag liquid hoses from color sources to your towers, mix colors to forge powerful COMBO towers, and route your pipes around the enemy path. Battle dozens of levels, earn tokens, and unlock a deep skill tree.
- 6
Protect the Pit
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Simulation and Casual with OshiYa.
Attack with your cursor, build towers and walls to defend your pit! An incremental clicker that combines tower defense, maze building, and large upgrade trees. Earn money, upgrade your defenses, and build winding mazes to stop the hordes of the Dark Forest.
- 7
Gacha The Frog
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Indie and Casual with OshiYa.
Collect and play with cute frogs in a cozy physics simulation. Use the machine to get new frogs, play mini-games to improve the odds of getting legendary frogs and manage your space so you can keep playing. Can you complete the album?
- 8
Cellular Soup
Single-player alternative to OshiYa — playable solo, no multiplayer required. Shares Indie and Simulation with OshiYa.
Start as a tiny cell. End as the terror of the pond. Absorb plankton, viruses, and cells. Gather DNA, unlock upgrades! Swim, chase, and dodge your way to the top in this 2-3h active incremental game.