色を当てろ · 緑は×14
Call the colour of the next roll. Red or black doubles you up; the rare green slot pays ×14.
Double is the simplest streak game on the floor — one colour call, instant settle, repeat.
Every round of Double publishes verifiable fairness data, so you can check any result yourself — see how verification works.
Yes. Every Betkyo original can be played free with fun money — no account or deposit needed. Sign in only when you want to play with crypto.
Hitting green pays ×14.
Yes. Every Betkyo original publishes verifiable fairness data for each round, so you can check results yourself. The fairness page explains the exact scheme and walks through a verification.
18+ only. Please play responsibly.