When you join Duel.com, you might be asked if you have a Promo Code or Referral Code when completing the registration form.

The promo code TOPBET can be used to gain instant access to all areas of this crypto betting site, including the casino, sportsbook and leaderboard events.

Simply enter TOPBET in the 'Referral Code' field during Duel.com registration.

It is quick and easy to use the TOPBET promo code when registering, as explained below. By using the code, you can access all areas of the crypto casino and sportsbook, including Daily and Weekly leaderboards.

To sign up:

Registration takes less than one minute. As soon as your account is open, you can start playing.

Duel.com is about zero edge and high RTP. Rather than offering a welcome bonus which would come with high wagering requirements and other terms and conditions (as is the case at nearly every online betting site), at Duel.com you can simply register, play and get 0% house edge on your games.

Unconvinced by the appeal of zero house edge? Look at it this way: most casino games you have played elsewhere will likely have come with a house edge of 2-3%. Occasionally you might get 1% edge, but you can also get 5% or more (especially on slots).

The house edge is paid on every single bet and over time, these small percentage differences in edge can make a huge difference. If you play casino games even semi-regularly, you will notice a difference to your bankroll!

Launched in 2025, Duel.com is the first gambling platform built entirely around mathematical neutrality.

Duel isn’t just another crypto casino. There is no house edge here and no marketing gimmicks.

Every game at the Duel.com casino is provably fair. Most traditional online casinos hide their profit in the small print. Not at Duel!

Popular games at the Casino (including Dice, Crash, Mines and Plinko) operate with a 0% house edge.

Zero edge gives every player the same expectation over time: you can break even if you play smart.

Forget about wagering requirements and deposit terms and conditions. Join the revolution and you can play straight away here. Instead of being promised a big deposit bonus that comes with wagering traps, you get great odds, high RTP, and instant crypto payouts!

Duel.com is owned and operated by Immortal Snail LLC. At the centre of Duel is Monarch, the founder who built CSGOEmpire before rewriting the casino rulebook in 2025.

His view is simple: “Casinos sell dreams because they’re rigged to take your reality. Duel doesn’t need to.”

Duel is a protest against “everything that is wrong” in the online gambling space. Monarch built the casino “out of hate, despise and revenge towards the bad actors”.

His aim is to fight back against “the rigging, the marketing with fake bets, and overall the lack of authenticity.”

At Duel, that fight back involves a fair casino for players, with an awesome community vibe.

Access the Duel.com login screen and join the Cult!