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

Halver
Single-player alternative to Mondrian 99 — playable solo, no multiplayer required. Shares Indie with Mondrian 99.
Halve the blocks into two equal parts and solve the unique puzzles in a game with a blueprint visual style and meditative music
- 6

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!
- 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

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