Limbo

About

Limbo is a single-roll multiplier game. The win chance maps directly to your chosen target - aim for 2.00x and you have roughly a 49% chance; aim for 100x and the chance drops to under 1%. Payout is your target multiplier; nothing higher pays more.

How a round plays

• Pick a target multiplier (1.01x to a high upper bound).
• Place your bet; the rolled multiplier is computed at place time from the seed pair + nonce.
• If the roll is at or above your target, you win stake x target. Otherwise the stake is lost.

Provably fair

• The rolled multiplier comes from HMAC-SHA256(server_seed, client_seed || nonce), mapped through the Limbo distribution.
• Server seed is committed before the round, revealed after you rotate.
• After rotation, the verifier reproduces the rolled multiplier from your seed pair + nonce.

Every round is verifiable from a server seed (revealed after rotation), your client seed, and a per-round nonce. See how it works for the full construction.