Deal or no deal · 26 chests · 9 calls from the Banker · 96% RTP
The television game, played for Gielinor gold. Choose the chest you will keep, then open the others in the show's own order: six, five, four, three, two, and one at a time from there. After every round the Banker calls with an offer for whatever your chest holds. Take it and the game is over. Refuse it and you open on. With two chests left you can swap yours for the other before it is opened. The Banker offers the plain average of every chest still shut, so there is never a wrong answer to the call, only a nerve.
Deal or No Deal has one honest question in it, and the whole game is about how you answer it. The board is fixed before you choose, so every chest is equally likely to hold the 10x and equally likely to hold the 0.01x. Opening chests does not change what is in yours; it only changes what you know. The Banker's call is where the game lives: a sum you can bank now, against a chest that might be worth ten times your stake or almost nothing.
Here the Banker offers fair value, the average of what is still shut, which is what the two real-money versions of the show do as well. The television Banker lowballs the early rounds to keep contestants playing, which makes sense with a million dollars on the table and makes no sense with a stake you chose. With the offer at the average, taking it and playing on are worth the same on average, so the 96% return is the return however you play, and the house edge lives in the board alone: the twenty-six values average 0.96 of your stake. The board and the Banker's factors are public tables, and the game shows the multiplier beside every offer so you can see the arithmetic yourself.
Every game is provably fair the way the rest of the site is. The shuffle that assigns values to chests is drawn from a server seed whose hash you can see before you play, combined with a client seed you control. A chest's value only leaves the server when it is opened, and the Banker's offer is calculated from the values already on the table, so it cannot hint at what your chest holds. When the game is over all twenty-six values are shown, and once you rotate your seed you can rebuild every shuffle it produced.
It is the average of every chest still shut, including yours, floored to a whole GP. With fair value on the table, dealing and playing on are worth the same on average. The per-round factor is a public table and sits at 1.0 for every round.
The structure is the NBC format to the letter: twenty-six cases, opened six, five, four, three, two, then one at a time, nine offers, and the swap when two are left. The values are multipliers of your stake rather than dollars, and the Banker offers the average instead of the show's deliberately low early offers.
Ten times your stake. One chest in twenty-six holds it, the same odds as any other value on the board.
No, and it does not hurt either. Both remaining chests were equally likely to hold either value from the start. Swap if you want to, keep if you want to.
Yes. The game stays open on the server with your stake in it, and picks up exactly where you left it the next time you open the page. You cannot start a second game until it is finished.
Yes. Both are held as their own balances and can be staked on any game here, including this one.
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