If so, then you missed the Gruppe Sechs mission during prep. The Diamond Casino Heist is one of the best heists in the game, and GTA: Online players get to live out their Oceans' Eleven fantasies by robbing the biggest casino in Los Santos. The Diamond Casino Heist requires a massive amount of teamwork, a cool head, and more than a little patience. Here’s … Yes. There are several heist setup missions, and they will differ based on the approach you decide to take. To do this, you need to buy an arcade in GTA Online . The Diamond Casino Heist is a new heist job in GTA Online's Diamond Casino and Resort update. As soon as I got in it gave me a warning that my challenge progress would be reset. We have tried 4 times to do this heist and it keeps resetting Criminal Mastermind for absolutely no reason! Our Big Con approach guide is here and our Aggressive guide can be found here.Make sure you also check out how to unlock the elite hacker Avi Schwartzman for more time in the vault, our payout guide, and also the POI and access point guide. Theresa M played Roman Tribune and won 92,930,000.00; Brian S played Frozen Arctic and won 147,260,000.00; Richard D played African Diamond and won 41,856,000.00 GTA Casino Heist access points. If everything goes wrong – or … Here’s where you can find the location of GTA Casino Heist access points, there are several doors and access points that can be found in these locations. I got on before the rest and decided to help another friend do his Fleeca heist while I was waiting for them. Your Diamond Casino heist all starts off with the planning and preparations. yes, i did the security door in the tunnel It's letting me do the celebrity oneOkay, well there's no prep mission for that, so if you're seeing that, that means you're on white board #3 and you're ready to heist now, correct? I was halfway through the setup for prison break with my usual group when we took a break. This guide is a complete walkthrough of the Silent & Sneaky approach to the Diamond Casino Heist. Didn't think much of it but we completed the finale and I found my progress had been reset when I checked afterwards. The Diamond Casino Heist is the biggest ever to hit GTA Online, and requires drawing up meticulous setup plans to walk away with the maximum payout. The casino heist is by far the most complicated heist GTA Online players have seen, but it offers some good ways to make a lot of money along the way. The Diamond Casino Heist is a bit different from previous heists in GTA Online.