{"schemaVersion":1,"record":{"key":"mechanic/stealth-infiltration--t031","type":"mechanic","id":"stealth-infiltration--t031","lang":"en","title":"Visibility, noise and detection","summary":"Detection depends on observable signals, obstacles and observer attention, letting players manage the visibility of their actions.","updatedAt":"2026-10-22","status":"active","url":"https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t031/","jsonUrl":"https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t031.json","markdownUrl":"https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t031.md","aliases":[],"tags":["Stealth, infiltration and escape","Mechanics and variants"],"sourceIds":["source-3817d420df0baa92","source-cda08855077b86bc"],"sources":[{"id":"source-3817d420df0baa92","title":"Robert Nystrom: State","url":"https://github.com/munificent/game-programming-patterns/blob/master/book/state.markdown","verifiedAt":null},{"id":"source-cda08855077b86bc","title":"Shadow Tactics: Blades of the Shogun","url":"https://store.steampowered.com/app/418240/","verifiedAt":null}],"sections":[{"id":"principle","title":"How it works","body":"Detection depends on observable signals, obstacles and observer attention, letting players manage the visibility of their actions."},{"id":"variants","title":"Variants","body":"### Mechanic variants\n\n<a id=\"t031-variants\"></a>\n\n- Light increases silhouette visibility. <a id=\"t031-v1\"></a>\n- Noise propagation accounts for obstacles. <a id=\"t031-v2\"></a>\n- Movement speed changes footstep loudness. <a id=\"t031-v3\"></a>\n- Brief contacts accumulate detection progress. <a id=\"t031-v4\"></a>"},{"id":"example","title":"Design example","body":"The player runs while an industrial press masks the sound of footsteps.\n\nPrototype check: Test detection near an obstacle edge and show which signal the observer actually noticed."},{"id":"context","title":"Context and limits","body":"Stealth manages what observers know through visibility, suspicion, traces, decoys and escape routes. Each overview separates player actions, state changes and alternative rules. Examples are hypothetical design scenarios, not claims about a named game. A prototype check states an observable question for the next iteration. Existing detailed references remain separately linked from the direction map."}],"relations":[{"type":"uses","direction":"outgoing","label":"Sources in the selection","key":"resource/state-pattern","title":"State: Game Programming Patterns","url":"https://gamemechanics.pro/en/resources/#resource-state-pattern","jsonUrl":"https://gamemechanics.pro/api/v1/knowledge/en/resource/state-pattern.json","markdownUrl":"https://gamemechanics.pro/content/knowledge/en/resource/state-pattern.md"}],"placements":[{"catalogId":"stealth-infiltration","id":"t031","title":"Stealth, infiltration and escape","url":"https://gamemechanics.pro/en/mechanics/stealth-infiltration/#t031","categoryIds":["mechanics"]}],"supersededBy":[],"attributes":{"preview":{"updatedAt":"2026-10-22","title":"Visibility, noise and detection","description":"Detection depends on observable signals, obstacles and observer attention, letting players manage the visibility of their actions.","image":{"src":"images/mechanics/strategy-shadow-tactics-05.webp","width":1440,"height":810,"game":"Shadow Tactics: Blades of the Shogun","sourceUrl":"https://store.steampowered.com/app/418240/","originalUrl":"https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/418240/ss_613e55b14d286aa7b57ccb99a879a10c6d03a47d.1920x1080.jpg?t=1789475696","credit":"Mimimi Games / Daedalic Entertainment","rights":"© Mimimi Games / Daedalic Entertainment. All rights reserved.","caption":"A patrol’s sight cone is visible between cover","alt":"A patrol’s sight cone is visible between cover","markers":[{"x":60,"y":46,"label":"The green area shows a guard’s sight cone"},{"x":42,"y":53,"label":"A wall separates the hidden character from the observer"}]},"tips":["Keep visible detection boundaries consistent with actual visibility and noise checks."],"examples":[{"title":"Shadow Tactics: Blades of the Shogun","url":"https://store.steampowered.com/app/418240/"}]}},"endsAt":null,"provenance":"Original bilingual editorial overviews authored for gamemechanics.pro on 2026-10-20 and reviewed on 2026-10-21. Scenarios are hypothetical design examples; prototype checks describe work to perform, not completed playtests. Primary sources support the stated techniques and implementation context, not every proposed variant.","license":"CC-BY-4.0","codeLicense":"MIT","attribution":"gamemechanics.pro contributors","catalogKey":"catalog/stealth-infiltration"}}