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Trailkeeper

Trailkeeper is a hand-authored collection of four classic logic puzzles — Slitherlink, Masyu, Yajilin, and Hashi — set to the rhythm of a quiet woodland trail. Solve at your own pace, return for a new daily trail, and trace your way through every grid in the bank.

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Developer
OateyGames
Publisher
OateyGames
Release
Coming Soon
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About the Game

Quiet logic, hand-drawn trails

Trailkeeper is a single-player puzzle game built around four classic

Japanese-style logic puzzles, each one hand-authored and tested for a

single, satisfying solution. There are no random generators, no infinite

boards, no time pressure unless you want one — just carefully designed

grids waiting to be solved.

Four trails, one journey.

  • Slitherlink — draw a single closed loop that follows the numbers.

  • Masyu — wind a path through black and white stones, each with

  • its own turn rule.

  • Yajilin — block the cells the arrows point to, then loop the

  • rest.

  • Hashi (Bridges) — connect the islands without crossing your own

  • ropes.

Lessons before solutions.

Thirty-two hand-written lessons walk you through every rule, every common

deduction, and every "wait, why does that work?" moment. Each lesson is

its own playable puzzle — the explanations live next to the board, not in

a manual you'll never reopen.

Daily trails. Weekly surveys.

Three hand-picked puzzles every day, one larger puzzle every week.

Deterministic across all players — your daily Slitherlink is also your

friend's daily Slitherlink. Steam leaderboards track best times for every

puzzle in the bank.

Five languages, one feel.

Trailkeeper is fully localized in English, Simplified Chinese, Japanese,

German, and Brazilian Portuguese — including all 32 lessons and every

puzzle title. The CJK fonts are bundled; switch language at any time from

the settings.

Made for the long haul.

  • No microtransactions. No DLC drip-feed. No daily timer manipulation.

  • Cloud saves through Steam.

  • Full keyboard, mouse, and Steam Deck support.

  • Reduced-motion and high-contrast accessibility options.

Trailkeeper is a one-time purchase. Your save belongs to you.

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