The return-to-player ratio of the Deal or No Deal live game at Mr Green Online Casino is 95.42%. That means if you wager $100, you will likely get a payout of $95. The RTP is determined by the multipliers represented by the 16 briefcases. In the qualifying rounds, it is advisable to place small bets, but in the main game, you can top up the wager amount. With the multiplier, you can win higher prizes of up to 500 times the total stake.