STRUCTURES · CURIO CARD 45 / 48
Pyramid
structure whose shape is roughly that of a pyramid in the geometric sense. This source-backed topic becomes an original Cascade swarm challenge.
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Play Pyramid
Staggered rows enter at different heights and alternate their shots. Change horizontal lanes before the next row reaches the ship.
Signature: Step March. The rows step downward while the falling lanes leave a gap. This is fictional battle design, not a claim about the real subject.
Source: Wikidata Q12516 · 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 449437. 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
Staggered rows enter at different heights and alternate their shots. Change horizontal lanes before the next row reaches the ship. The first warning introduces Step March. Later volleys alternate between that signature and the formation pattern. Survive three waves to earn a clean clear, or take one free assisted clear.