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.

<h2 class="bb_tag" >Quiet logic, hand-drawn trails</h2>Trailkeeper is a single-player puzzle game built around four classicJapanese-style logic puzzles, each one hand-authored and tested for asingle, satisfying solution. There are no random generators, no infiniteboards, no time pressure unless you want one — just carefully designedgrids waiting to be solved.<h2 class="bb_tag" >Four trails, one journey.</h2><ul class="bb_ul"><li>Slitherlink — draw a single closed loop that follows the numbers.</li><li>Masyu — wind a path through black and white stones, each with</li><li>its own turn rule.</li><li>Yajilin — block the cells the arrows point to, then loop the</li><li>rest.</li><li>Hashi (Bridges) — connect the islands without crossing your own</li><li>ropes.</li></ul><h2 class="bb_tag" >Lessons before solutions.</h2>Thirty-two hand-written lessons walk you through every rule, every commondeduction, and every &quot;wait, why does that work?&quot; moment. Each lesson isits own playable puzzle — the explanations live next to the board, not ina manual you'll never reopen.<h2 class="bb_tag" >Daily trails. Weekly surveys.</h2>Three hand-picked puzzles every day, one larger puzzle every week.Deterministic across all players — your daily Slitherlink is also yourfriend's daily Slitherlink. Steam leaderboards track best times for everypuzzle in the bank.<h2 class="bb_tag" >Five languages, one feel.</h2>Trailkeeper is fully localized in English, Simplified Chinese, Japanese,German, and Brazilian Portuguese — including all 32 lessons and everypuzzle title. The CJK fonts are bundled; switch language at any time fromthe settings.<h2 class="bb_tag" >Made for the long haul.</h2><ul class="bb_ul"><li>No microtransactions. No DLC drip-feed. No daily timer manipulation.</li><li>Cloud saves through Steam.</li><li>Full keyboard, mouse, and Steam Deck support.</li><li>Reduced-motion and high-contrast accessibility options.</li></ul>Trailkeeper is a one-time purchase. Your save belongs to you.

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Trailkeeper Achievements