STRUCTURES · CURIO CARD 43 / 48
Observatory
location used for observing terrestrial or celestial events. This source-backed topic becomes an original Orbit swarm challenge.
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Play Observatory
The group circles a shifting center and sends radial shots. Read the moving gap, then make short dodges rather than following one enemy.
Signature: Dome Close. The dome closes and reopens from the middle outward. Watch for the falling screen. This is fictional battle design, not a claim about the real subject.
Source: Wikidata Q62832 · English Wikipedia topic. Summary: Wikidata CC0 description. Wikidata structured data is CC0; no article prose or photographs are copied here.
Default challenge: v2 rules, seed 433599. 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
The group circles a shifting center and sends radial shots. Read the moving gap, then make short dodges rather than following one enemy. The first warning introduces Dome Close. Later volleys alternate between that signature and the formation pattern. Survive three waves to earn a clean clear, or take one free assisted clear.