Free games like Mythos: Sudoku
Below are 8 free-to-play Steam games similar to Mythos: Sudoku, 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 Mythos: Sudoku page.
Ranked picks
- 1

Eternal Senia
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window.
Thoughts and expectations ARPG
- 2

What Never Was
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window. Shares Casual with Mythos: Sudoku.
What Never Was is a short, story-driven first-person game focused on exploration and puzzle-solving about Sarah, having to shoulder the arduous task of clearing out her grandfathers attic, and soon finds that not everything about the attic is what it seems.
- 3

Lost Lands: A Hidden Object Adventure
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window. Shares Casual with Mythos: Sudoku.
Persecuted by ill fate, the elven nation land on a lost island. They'll need sharp blades as well as sharp minds to survive. An exciting hidden-object adventure game which tells the story of an ancient elven tribe forced to survive on a long-lost island.
- 4

Cloud Climber
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window. Shares Casual with Mythos: Sudoku.
A surreal first person walking sim about the end of humanity. Explore magnificent sky-bound ruins, and learn why they were built.
- 5

Himno
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window. Shares Casual with Mythos: Sudoku.
Himno is a peaceful, 2D platformer game with an infinite number of beautiful procedurally generated maps. Take a breath, and relax.
- 6

Free Solitaire
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window. Shares Casual with Mythos: Sudoku.
Free solitaire collection, no ads. 120+ variants. Highly customizable. Card editor.
- 7

Die in the Dungeon: PROLOGUE
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window.
Fight your way through an unexplored dungeon in this deck-building, turn-based roguelike focused on dice combinations! Deal with enemies by combining powerful dice on your board, boost their effects with synergies, and risk it all hoping for a good roll.
- 8

Jigsaw Puzzles Infinite
Free-to-play alternative to Mythos: Sudoku — no purchase or trial window.
Sit back, relax and build puzzles to your heart's content. Assemble one of the many included puzzles, or add your own images. Customize size and shape of the pieces for any puzzle. Enjoy Classic mode or try out Zen mode for a new type of puzzle experience.