Single-player games like Mondrian 99
Below are 8 single-player Steam games similar to Mondrian 99, 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 Mondrian 99 page.
Ranked picks
- 1

Swing Solver
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
Shoot, Swing, Jump! Control the ball perfectly with the wire!
- 2

circloO
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
circloO is a colorful physics platformer in a round level. The level grows, so you'll have to avoid and use obstacles in everchanging ways. Enjoy a huge variety of physics challenges, from a sea of tiny blocks to planets with a gravity field! Make your own levels or play thousands of fanmade levels!
- 3

Fono
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
A puzzle platformer that abuses particle effects for its lidar-like game mechanics and its unique visual style.
- 4

Active Neurons - Wonders Of The World
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
A puzzle slasher that trains spatial and logical thinking. Power up your brains!
- 5

Dreaming Sarah
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
Dreaming Sarah is an adventure platformer where you play as Sarah, a girl who is in a coma. Explore the world around her and help her wake up!
- 6

TitTok
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
TitTok - Minimalistic adventure 2D puzzle platformer with cats, explosions and spinning saws! TikTok ≠ TitTok
- 7

Lonely Trip
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
Lonely Trip is a 2D puzzle platformer. Unique puzzles, beautiful visuals and capturing music, experience all these by completing this lonely adventure.
- 8

Hexologic
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie and Casual with Mondrian 99.
Immerse yourself in the beautiful world of Hexologic. Solve challenging, yet rewarding puzzles, listen to relaxing music, dive deep into the game’s atmosphere and fall in love in with Sudoku again!