OBJECTS · CURIO CARD 36 / 48
Windmill
machine that converts the energy of wind into rotational energy by means of adjustable sails. This source-backed topic becomes an original Fortress swarm challenge.
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Play Windmill
Guards surround a core that alternates between protected and exposed. Survive directed fire, clear guards and use the opening window.
Variant: blade sweep. Its original mechanic adds a wider side-to-side enemy sweep, with 0.97× movement pace and 0.82× firing rate. This is fictional battle design, not a claim about the real subject.
Source: Wikidata Q38720 · English Wikipedia topic. Summary: Wikidata CC0 description. Wikidata structured data is CC0; no article prose or photographs are copied here.
Challenge: v1 rules, default seed 378166. A shared link can carry another valid seed. Automatic weapon upgrades do not count as assistance; deliberately claiming the Super Weapon counts one and guarantees a clear.
How this card plays
Guards surround a core that alternates between protected and exposed. Survive directed fire, clear guards and use the opening window. Compared with other Fortress cards, Windmill begins at a different pattern phase and uses its own movement pace and attack frequency. Survive three waves to earn a clean clear, or take one free assisted clear.