[ANN] dond.win | Deal or No Deal for USDT/USDC | Provably fair | Free demo

[dond.win]

Deal or No Deal — dond.win
25 cases. One Banker. Every round provably fair.

Play now (free demo, no sign-up) | Provably fair | Verifier | X

What it is

A single-player Deal or No Deal game you play with USDT or USDC. One game, no slots, no sportsbook.

• Set a buy-in and claim one of 25 sealed cases.
• Open the other 24 one at a time. Each hides a prize from 0.1x to 10x of your buy-in. There is no empty case.
• After every open the Banker offers cash for your case. Press DEAL to take it, or keep opening.
• Open everything and you win what your own case holds.

A round takes about 30 seconds.

Provably fair

• Before you pick, the server shows commitment = SHA-256(serverSeed).
• Your client seed is mixed in: shuffle bytes = HMAC-SHA256(key = serverSeed, msg = clientSeed + ":" + i).
• A Fisher-Yates shuffle over the fixed 25-prize ladder gives the layout.
• When the round ends both seeds are revealed. Paste them into the verifier and it recomputes the commitment and all 25 cases in your browser.

The Banker has no hidden inputs either. The offer is the average of the remaining prizes times a published factor that rises as you open more cases. Details: how the offer is calculated.

Deposits and withdrawals

• USDT and USDC on Ethereum, BNB Smart Chain, Base (USDC) and Solana.
• Sign in with a wallet or an email. No KYC form.
• Withdrawals go only to your own account wallet (the wallet you signed in with, or the built-in wallet created for email sign-ins), so they cannot be sent to a wrong or third-party address.
• Smaller withdrawals are paid automatically. Larger ones get a manual check first.
• Deposits are free. Withdrawals pay a flat network fee shown before you confirm.

Limits and rules

• Minimum deposit: none. Minimum withdrawal: $10.
• Buy-in: $1 to $100 per round.
• Withdrawals: up to $5,000 in any 24 hours. Network fee: Ethereum $5, BSC $0.50, Base $0.20, Solana $0.10.
• KYC: none. A manual withdrawal check never asks for ID.
• 18+ only. Not available in the United States.

Costs

Your buy-in is the stake. The first few opens are free, later opens cost a small percentage of the buy-in, shown before each one. Full breakdown: fees explained.

Try it without money

Demo mode is the same engine with play money. It loads instantly, with no wallet and no account.

Referrals

Invite players and earn a share of what they put in every round, win or lose, credited to your balance when the round settles. Your link is in the game after you sign in.

Other

• 12 languages.
• Not available in the United States.
• 18+ only. Play with what you can afford to lose.

We will answer questions in this thread. Tell us what breaks, what is unclear, and what you would verify differently.

Full terms: dond.win/terms

[Slow death]

Welcome to the forum. Honestly, I’m not sure if your site is actually a casino; I don’t know what kind of game this is supposed to be. I didn’t see a license, nor did I see any terms of service. I’m not sure why you haven’t included terms of service on your site. I also couldn’t find any contact information for support no email address, no Telegram channel. But I did see this:



https://tally.so/r/jeZYEQ

I view all of this as unprofessional and not very trustworthy; honestly, I highly doubt that most people on this forum have actually used your site. There is a lot of information missing from the website. For instance, someone who hasn’t seen this announcement thread and discovers your site through other channels wouldn’t know whether it requires KYC, which coins it accepts, whether it allows the use of a VPN, or what its policy is regarding multiple accounts. Furthermore, the minimum deposit and withdrawal amounts are not specified not even here in this announcement thread.

[dodgrad]

Welcome to the forum. Honestly, I’m not sure if your site is actually a casino; I don’t know what kind of game this is supposed to be. I didn’t see a license, nor did I see any terms of service. I’m not sure why you haven’t included terms of service on your site. I also couldn’t find any contact information for support no email address, no Telegram channel. But I did see this:



https://tally.so/r/jeZYEQ

I view all of this as unprofessional and not very trustworthy; honestly, I highly doubt that most people on this forum have actually used your site. There is a lot of information missing from the website. For instance, someone who hasn’t seen this announcement thread and discovers your site through other channels wouldn’t know whether it requires KYC, which coins it accepts, whether it allows the use of a VPN, or what its policy is regarding multiple accounts. Furthermore, the minimum deposit and withdrawal amounts are not specified not even here in this announcement thread.

Are you serious? It’s just a regular gambling game. If you want to play, go ahead, if you don’t, then dond.  

[Agbe]

For instance, someone who hasn’t seen this announcement thread and discovers your site through other channels wouldn’t know whether it requires KYC, which coins it accepts, whether it allows the use of a VPN, or what its policy is regarding multiple accounts. Furthermore, the minimum deposit and withdrawal amounts are not specified not even here in this announcement thread.

Those are the basic things all gamblers who visit a casino website should check before doing anything. Though I have not checked the casino website and it UI but before anyone deposit and once he clicks the deposit button, the minimum amount to deposit suppose appears and when through there he can check the minimum withdrawal amount as well and for the KYC, base on what we have seen here in the forum, since they didn't write No KYC on the Op, I just noticed that it is a fully KYC casino. And if multiple accounting policy is not found in the ToS then the casino have to rewrite those missing information for clear understanding.

[davis196]

Welcome to the forum. Honestly, I’m not sure if your site is actually a casino; I don’t know what kind of game this is supposed to be. I didn’t see a license, nor did I see any terms of service. I’m not sure why you haven’t included terms of service on your site. I also couldn’t find any contact information for support no email address, no Telegram channel.

1.You haven't watched the "Deal or No Deal" game on TV? That's weird. I used to watch that game on TV years ago. It was modestly entertaining, but I got bored after a while.
2.This is a gambling platform, but I wouldn't say that it fits in the "online casino" category. A fully functional online casino must include all traditional casino games such as poker, blackjack, dice, crash, roulette, slots, plinko, keno, etc...
3.OP must add a lot of stuff to his website such as Terms of Service. It's pretty clear that this platform is on test mode and I don't believe that OP would ever try to get a gambling license. I appreciate his effort to create something, that doesn't look like 1000 other online casinos.
Good luck with this project, OP.

[dond.win]

Welcome to the forum. Honestly, I’m not sure if your site is actually a casino; I don’t know what kind of game this is supposed to be. I didn’t see a license, nor did I see any terms of service. I’m not sure why you haven’t included terms of service on your site. I also couldn’t find any contact information for support no email address, no Telegram channel. But I did see this:

https://www.talkimg.com/images/2026/11/13/aaFTbm.png

https://tally.so/r/jeZYEQ

I view all of this as unprofessional and not very trustworthy; honestly, I highly doubt that most people on this forum have actually used your site. There is a lot of information missing from the website. For instance, someone who hasn’t seen this announcement thread and discovers your site through other channels wouldn’t know whether it requires KYC, which coins it accepts, whether it allows the use of a VPN, or what its policy is regarding multiple accounts. Furthermore, the minimum deposit and withdrawal amounts are not specified not even here in this announcement thread.

Thank you for taking the time to look at the site so closely, and for writing all of this out. I'd like to answer each point honestly.

1. License. You are right: we do not hold a gambling license.

2. Contact. Because we are unlicensed, we choose to keep a low profile, even though the game itself is fair and every round can be verified. We would rather not expose ourselves more than necessary or get pulled into problems that have nothing to do with the game, so we keep our communication channels deliberately narrow. For now, as you noticed, the Tally form is the way to reach us. The email and X account in the first post also reach us.

3. Players. To be honest, dond.win launched recently and we are only now starting to promote it. What I can share is that people are already playing with their own money, and deposits and withdrawals are working normally.

4. Terms of service. Our view has been that terms of service are written for people in suits and ties. We are degens. dond.win offers an open, fair game; we guarantee that rounds settle correctly and withdrawals are paid, and each player is responsible for their own wins and losses. To us, that is the core of it. Still, since you raised it, and out of respect for your feedback, we will publish terms of service right away.

5. Minimum deposit and withdrawal. Leaving these out of the announcement was an oversight on our part, and we will fix the first post.

Finally, thank you again for the advice. You are right that players who find the site through other channels may not know much of this, so the terms of service will cover it: KYC, accepted coins, VPN use, multiple accounts, and deposit and withdrawal limits.

[dond.win]

Welcome to the forum. Honestly, I’m not sure if your site is actually a casino; I don’t know what kind of game this is supposed to be. I didn’t see a license, nor did I see any terms of service. I’m not sure why you haven’t included terms of service on your site. I also couldn’t find any contact information for support no email address, no Telegram channel. But I did see this:

https://www.talkimg.com/images/2026/11/13/aaFTbm.png

https://tally.so/r/jeZYEQ

I view all of this as unprofessional and not very trustworthy; honestly, I highly doubt that most people on this forum have actually used your site. There is a lot of information missing from the website. For instance, someone who hasn’t seen this announcement thread and discovers your site through other channels wouldn’t know whether it requires KYC, which coins it accepts, whether it allows the use of a VPN, or what its policy is regarding multiple accounts. Furthermore, the minimum deposit and withdrawal amounts are not specified not even here in this announcement thread.

Are you serious? It’s just a regular gambling game. If you want to play, go ahead, if you don’t, then dond.  

Ha, "if you don't, then dond" — that might be the best tagline we never came up with. Mind if we borrow it? 😄

Thanks for the support, dodgrad. You're very welcome to try dond.win. The demo mode is free and needs no deposit, so you can play through a full round and check the provably fair verification yourself. Would love to hear what you think, good or bad.

[dond.win]

For instance, someone who hasn’t seen this announcement thread and discovers your site through other channels wouldn’t know whether it requires KYC, which coins it accepts, whether it allows the use of a VPN, or what its policy is regarding multiple accounts. Furthermore, the minimum deposit and withdrawal amounts are not specified not even here in this announcement thread.

Those are the basic things all gamblers who visit a casino website should check before doing anything. Though I have not checked the casino website and it UI but before anyone deposit and once he clicks the deposit button, the minimum amount to deposit suppose appears and when through there he can check the minimum withdrawal amount as well and for the KYC, base on what we have seen here in the forum, since they didn't write No KYC on the Op, I just noticed that it is a fully KYC casino. And if multiple accounting policy is not found in the ToS then the casino have to rewrite those missing information for clear understanding.

Hello Agbe,

Thank you for the discussion, and for setting this out so clearly.

You are right that the opening post never stated our KYC position. That was our mistake. We are no KYC: we do not ask for a name, an ID, or an address. We will correct the opening post immediately.

There is no minimum deposit. Any amount you deposit is credited to your balance. The minimum buy-in to start a round is 1 USDT. The minimum withdrawal is 10 USDT.

We will add all of this to the opening post and to the terms, so both places state it in full.

Thank you again.

[Yablee0]

To show how serious you are you need to ensure you fix everything thing that wasn't included in the op as been pointed out by users above, and make sure everything is pretty clear and understandable in the op in just one view. Secondly, I'll also suggest you purchase a copper membership account to enhance and beautify your announcements thread than what I'm seeing now. You really need to be posting pictures, graphics and many more just to make it topnotch and more attractive. Good luck.

[dond.win]

Welcome to the forum. Honestly, I’m not sure if your site is actually a casino; I don’t know what kind of game this is supposed to be. I didn’t see a license, nor did I see any terms of service. I’m not sure why you haven’t included terms of service on your site. I also couldn’t find any contact information for support no email address, no Telegram channel.

1.You haven't watched the "Deal or No Deal" game on TV? That's weird. I used to watch that game on TV years ago. It was modestly entertaining, but I got bored after a while.
2.This is a gambling platform, but I wouldn't say that it fits in the "online casino" category. A fully functional online casino must include all traditional casino games such as poker, blackjack, dice, crash, roulette, slots, plinko, keno, etc...
3.OP must add a lot of stuff to his website such as Terms of Service. It's pretty clear that this platform is on test mode and I don't believe that OP would ever try to get a gambling license. I appreciate his effort to create something, that doesn't look like 1000 other online casinos.
Good luck with this project, OP.

Hello davis196,

Thank you for taking the time to look at the site and share your thoughts. You are very welcome to try the game, and I would be glad to hear any further comments you have.

[dond.win]

To show how serious you are you need to ensure you fix everything thing that wasn't included in the op as been pointed out by users above, and make sure everything is pretty clear and understandable in the op in just one view. Secondly, I'll also suggest you purchase a copper membership account to enhance and beautify your announcements thread than what I'm seeing now. You really need to be posting pictures, graphics and many more just to make it topnotch and more attractive. Good luck.

Hello Yablee0,

Thank you for the suggestions. I will update the opening post so everything is clear in one view, and I will add a Copper membership along with pictures and graphics to the thread.

dond.win

[Haunebu]

ANN presentation could be better op though the site design is fine thanks to the dark theme. This game is basically a variant of lootboxes or skins used in many popular games and isn't really unique or anything, but the tutorial helps explain everything well.

No license doesn't help, but it makes sense this is just a 1 game site probably operated by 1 or few people. No minimum deposit and small minimum withdrawal amounts are a plus point. All the best op.

[Upgrade00]

Fun game that everyone should be familiar with from the game show. It has been a while I watched the show, but I do not remember a fee to keep opening boxes, only that the offer you get from the banker could drop if you knock out the large amounts.
As you're charging to open boxes after 3 tries, there should be the option to go with what I have in my box and not just the bankers' offer. If I'm confident in my luck, I should be able to risk it.

2. Contact. Because we are unlicensed, we choose to keep a low profile, even though the game itself is fair and every round can be verified. We would rather not expose ourselves more than necessary or get pulled into problems that have nothing to do with the game, so we keep our communication channels deliberately narrow. For now, as you noticed, the Tally form is the way to reach us. The email and X account in the first post also reach us.

Sorry but this doesn't add up. Being unlicensed actually requires you to do more to win players trust, not make it more blurry.
Dedicated support does not expose the team in any way, neither should you fear exposure.

[dond.win]

ANN presentation could be better op though the site design is fine thanks to the dark theme. This game is basically a variant of lootboxes or skins used in many popular games and isn't really unique or anything, but the tutorial helps explain everything well.

No license doesn't help, but it makes sense this is just a 1 game site probably operated by 1 or few people. No minimum deposit and small minimum withdrawal amounts are a plus point. All the best op.

Hello Haunebu,

Thank you sincerely for taking the time to look at dond.win and for your kind words about the design and the tutorial. It means a lot to us, especially this early on.

Thank you as well for pointing out that the announcement could be presented better. We would genuinely appreciate your advice here: which parts of the first post would you improve first? For example, would you add screenshots or graphics, restructure the sections, or put the key details (deposits, withdrawals, limits) at the top? Any example of an ANN thread you think is done well would also help us a lot.

And if you have a few minutes, you are very welcome to try the free demo at https://dond.win. No sign-up is needed. We would be glad to hear what you think after playing.

Thank you again, and all the best to you as well.

[dond.win]

Fun game that everyone should be familiar with from the game show. It has been a while I watched the show, but I do not remember a fee to keep opening boxes, only that the offer you get from the banker could drop if you knock out the large amounts.
As you're charging to open boxes after 3 tries, there should be the option to go with what I have in my box and not just the bankers' offer. If I'm confident in my luck, I should be able to risk it.

2. Contact. Because we are unlicensed, we choose to keep a low profile, even though the game itself is fair and every round can be verified. We would rather not expose ourselves more than necessary or get pulled into problems that have nothing to do with the game, so we keep our communication channels deliberately narrow. For now, as you noticed, the Tally form is the way to reach us. The email and X account in the first post also reach us.

Sorry but this doesn't add up. Being unlicensed actually requires you to do more to win players trust, not make it more blurry.
Dedicated support does not expose the team in any way, neither should you fear exposure.

Hello Upgrade00,

Thank you sincerely for taking the time to read through the thread and share such thoughtful feedback.

You are right about the fee after the first three opens. We deliberately adjusted some of the original Deal or No Deal rules to make it more of a real gamble. With part of the outcome still unknown, each player has to make a choice against their own instincts: keep going and pay to chase a higher banker offer, or stop at the right moment and walk away with what is on the table. We find that tension genuinely interesting, and it is at the heart of how we designed the game.

As for the option you suggested, letting players keep their own box, we think it is well worth considering. We will study it carefully before making a decision. Thank you very much for the suggestion.

Regarding dedicated support, here is our reasoning. Opening more contact channels could expose us to more security risks. For example, users could send us files or images carrying malware through Telegram, which could put the safety of the site at risk. At our current size, we do not yet have the capacity to handle that well. If things go smoothly, we may open more communication channels as our capacity grows. For now, we can only offer the contact options listed in the first post. That said, we are not trying to make anything less transparent: players can reach us through these channels and get their issues resolved.

Thank you for your understanding.