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

Sudoku Universe / 数独宇宙
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required. Shares Casual with Mythos: Sudoku.
Making the best Sudoku game on Steam.
- 2

ISLANDERS: New Shores
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required. Shares Casual with Mythos: Sudoku.
Welcome to ISLANDERS: New Shores. Build your island retreat in a calm, minimalist world with exciting new features that keep the classic charm while inspiring fresh creativity.
- 3

Puzzle Quest 2
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required. Shares Casual with Mythos: Sudoku.
Escape to a puzzle game fantasy world with amazing creatures and weapons! Addicting gameplay blends with immersive roleplaying in this sequel to the award-winning Puzzle Quest!
- 4

Osmos
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required. Shares Casual with Mythos: Sudoku.
Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.
- 5

Lumines Arise
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required. Shares Casual with Mythos: Sudoku.
A mind-blowing, fiendishly addictive reinvention of the puzzle classic Lumines from the creators of Tetris® Effect: Connected, where sound pulses through your body, mind, and every block you place, triggering dazzling visuals synched to the driving beat of an infectious, eclectic soundtrack.
- 6

AudioSurf
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required.
Ride your music. Audiosurf is a music-adapting puzzle racer where you use your own music to create your own experience. The shape, the speed, and the mood of each ride is determined by the song you choose.
- 7

10,000,000
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required. Shares Casual with Mythos: Sudoku.
10000000: The Dungeon Crawling Matching Game
- 8

Bejeweled® 3
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required. Shares Casual with Mythos: Sudoku.
The biggest, brightest Bejeweled ever! Discover all-new ways to play the world’s #1 puzzle game. Find your perfect match with 8 breathtaking game modes that meet all your moods.
- 9

SPELLCAST
Single-player alternative to Mythos: Sudoku — playable solo, no multiplayer required.
SPELLCAST combines the strategy and deckbuilding of a card battler with the dynamic gameplay of word games. Battle through 10 different scenarios or the roguelite campaign!