Seed Echo is a free-to-play real-history NFT card game on Immutable zkEVM, paired with a 3D metaverse called the Echoverse.

Does Seed Echo cost money?

No. Seed Echo is free to play. Cards are discovered freely; the in-game economy uses Echo Coin (capped at 900M).

What blockchain does Seed Echo use?

Immutable zkEVM mainnet (chain id 13371). Cards mint as 1-of-1 NFTs.

What is the B.T.R. Vausbr Table?

Beyond The Recognized — a scientifically extended periodic table that includes every recognized element plus thousands of newly catalogued Echoverse elements.

シード・エコー

認知の彼方へ — 生きている周期表。

B.T.R. Vausbr 表を探検：認知されたすべての元素に加え、真の拡張周期順に並んだ何千ものエコバース新発見元素。