Free games like Sudoku Universe / 数独宇宙
Below are 9 free-to-play Steam games similar to Sudoku Universe / 数独宇宙, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Sudoku Universe / 数独宇宙 page.
Ranked picks
- 1
Indigo Park: Chapter 1
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Indie with Sudoku Universe / 数独宇宙.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 2
Travellin Cats in Paris
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Indie and Casual with Sudoku Universe / 数独宇宙.
Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!
- 3
Virtual Cottage
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Indie and Casual with Sudoku Universe / 数独宇宙.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
- 4
Coloring Pixels
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Indie and Casual with Sudoku Universe / 数独宇宙.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.
- 5
The Lab
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 6
An Arcade Full of Cats
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Indie and Casual with Sudoku Universe / 数独宇宙.
Journey through gaming history's time and space, while searching for adorable feline companions in 'An Arcade Full of Cats,' the ultimate pet'em up hidden object game.
- 7
100 Asian Cats
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Strategy and Indie with Sudoku Universe / 数独宇宙.
🏮🐈 100 Asian Cats - Join the cutest adventure in the Asia! 😻 🌸 Explore the charming hand-drawn artwork of Asian temples 🏯 as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️♂️❌ Can you find them all? 🕵️♂️🐈✅
- 8
Floating Point
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Indie and Casual with Sudoku Universe / 数独宇宙.
Floating Point is a peaceful, free game about using a grappling hook to swing yourself gracefully through randomly generated spaces. The only objective is to collect points, and the only thing that increases your points is swinging swiftly, smoothly and elegantly without hitting anything.
- 9
Lines X Free
Free-to-play alternative to Sudoku Universe / 数独宇宙 — no purchase or trial window. Shares Strategy and Indie with Sudoku Universe / 数独宇宙.
Beautiful & relaxing Numberlink puzzles.