How to play
Each coin side has a 50% chance. Predict up to ten flips in a row. Cash out after success; a mistake loses the stake. Payout: stake × 0.97 × 2 to the power of successes.
KEF-UP GAMES · 50/50
Two sides of a moment
An original KEF-UP browser game. Read the rules and open the game on mobile or desktop. Ages 18+.
Open gameBrowser · mobile and desktop · 18+
Each coin side has a 50% chance. Predict up to ten flips in a row. Cash out after success; a mistake loses the stake. Payout: stake × 0.97 × 2 to the power of successes.
No. Games run in your mobile or desktop browser. Open game takes you directly to the selected game on the platform.
Yes, descriptions and rules are available after confirming you are 18+. Wagering requires an account and an available game balance.
No. The catalogue, account, balance and game rules are shared. Only the translation changes.
Adults only. Games use gold wagers and you can lose your stake. Read the rules, probabilities and wallet terms before betting. Relax describes the atmosphere and pace, not the absence of risk.