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About Linelith
Linelith is a line‑drawing puzzle game set on a colorful, serene alien asteroid. Players solve puzzles embedded in rocks and crystals by drawing lines that match the shapes and symbols of each formation.
The title offers over 70 puzzles that rise gently from easy to challenging, lets you skip any puzzle, and provides a soothing soundtrack by Brendan Julian. It runs in single‑player mode on Windows, macOS, and Linux.
01 / THE GUIDE
Puzzle Variety and Difficulty
More than 70 puzzles are included, each presenting a distinct line‑drawing challenge that conforms to the shape and symbols of rocks and crystals. The collection follows a gentle difficulty curve, moving from easy patterns to more intricate arrangements.
Players may freely skip any puzzle they find difficult and return to it later. This option supports a relaxed pace while still offering depth for those who seek tougher puzzles later in the sequence.
- Start with the early puzzles to become comfortable with the line‑drawing approach before tackling later, more complex designs.
- If a puzzle feels overwhelming, use the skip function and revisit it after completing a few others.
02 / THE GUIDE
Audio Design
A soothing, serene music track composed by Brendan Julian plays throughout the experience, creating a calm atmosphere that matches the alien asteroid setting.
Custom volume controls let players adjust the audio to their liking, allowing personal tuning of the auditory feedback that accompanies each line‑drawing action.
- Lower the music volume if you prefer to focus on the subtle sound cues that accompany line placement.
- Raise the sound‑effect volume to emphasize feedback when lines connect with symbols.

03 / THE GUIDE
Line‑Drawing Mechanic
The core mechanic requires drawing lines that fit intricate patterns on rocks and crystals. It is described as intuitive yet deep, giving players a straightforward way to interact with each puzzle.
Several twists are introduced as the game progresses, altering how lines must be placed or interpreted. These variations encourage players to reconsider earlier strategies and adapt to new constraints.
- Observe the symbols on each rock before drawing; they often hint at the required line shape.
- When a new twist appears, pause to note the change before applying it to the puzzle.
04 / THE GUIDE
Platform Support and Features
Linelith runs on Windows, macOS, and Linux in single‑player mode. Features such as Steam Cloud, Family Sharing, and Save Anytime are listed, supporting progress retention across sessions.
The game can be played without timed input, meaning players may take as long as they wish to solve each puzzle, and custom volume controls let them tailor the audio environment.
- Steam Cloud is listed as a feature, which can be helpful if you plan to play on multiple devices.
- Use the Save Anytime option whenever you need to pause and resume later.
05 / THE GUIDE
CosmOS 9 Bundle Context
Linelith is part of the CosmOS 9 bundle, a collection of nine puzzle games discovered on a mysterious video‑game console drifting in outer space. This shared premise provides a thematic backdrop for each title.
While each game stands alone, the common alien‑asteroid setting and the mystery of the drifting console give the bundle a cohesive narrative flavor that ties the experiences together.
- Explore the other CosmOS 9 titles to see how each interprets the shared setting.
- Notice how the alien‑asteroid theme recurs, reinforcing the bundle’s overall atmosphere.





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