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Tracks Blizzard employees across various accounts.


Thread about the making of the #BarrensMysteries! This was a ton of fun, both to create, and to watch the community solve. I've seen requests for hearing more about how this crazy thing happened, so here's a (probably long and rambling and unorganized) thread about that! https://t.co/c2PxiOG8PZ

Thread about the making of the #BarrensMysteries! This was a ton of fun, both to create, and to watch the community solve. I've seen requests for hearing more about how this crazy thing happened, so here's a (probably long and rambling and unorganized) thread about that! https://t.co/c2PxiOG8PZ

  • Chadd Nervigg

    Posted 4 years, 4 months ago (Source)
    Thread about the making of the #BarrensMysteries! This was a ton of fun, both to create, and to watch the community solve. I've seen requests for hearing more about how this crazy thing happened, so here's a (probably long and rambling and unorganized) thread about that! https://t.co/c2PxiOG8PZ
    • Chadd Nervigg

      Posted 4 years, 4 months ago (Source)
      Every year (usually Nov/Dec), Team 5 spends a couple weeks doing something we call 'Free Your Mind'. It's a fancy way of saying 'work on whatever you want within the world of Hearthstone'. Last year, I chose to work on building secret puzzles.
      • Chadd Nervigg

        Posted 4 years, 4 months ago (Source)
        I had worked on these before on WoW, along with the puzzlemaster @Muffinus. Parts of the Lucid Nightmare and most of the Hivemind were my work, and I *loved* how the community would come together to solve these brutally difficult puzzles.
        • Chadd Nervigg

          Posted 4 years, 4 months ago (Source)
          But how could I bring something like that to Hearthstone? Obviously, WoW is a much more open-ended game than Hearthstone. You can go everywhere, do all sorts of things, and things could be hidden anywhere. Thus, even getting something into Hearthstone was a challenge.
          • Chadd Nervigg

            Posted 4 years, 4 months ago (Source)
            I also wanted to be efficient about this; the more I could do of it myself without needing to ask for others' time, the more likely it'd actually ship. Additionally, usually when designing new things on Team 5, we are super open and collaborative about things. Not here though.
            • Chadd Nervigg

              Posted 4 years, 4 months ago (Source)
              As Muffinus and I learned making WoW puzzles, spoilers totally spoil the fun, and the more people involved, the more likely some little tidbit is to accidentally get leaked. So this was one of the very few parts of development where secrecy was paramount.
              • Chadd Nervigg

                Posted 4 years, 4 months ago (Source)
                Outside of myself, and 2 of our awesome QA (thanks Mary and Eric!), not a soul got to see the whole thing. A few designers helped playtest 1-2 puzzles each, without knowing how they fit into the full thing. Most barely knew it existed. Anyway, let's talk about the puzzle design!
                • Chadd Nervigg

                  Posted 4 years, 4 months ago (Source)
                  Oh, one other thing first: The reward! We didn't actually know what the reward was going to be until very late in the process. We had something else lined up, but due to the random realities of game development, that fell through (which I still hope to deliver someday!)
                  • Chadd Nervigg

                    Posted 4 years, 4 months ago (Source)
                    Then the cardback contest art came in, and that was just great! It wasn't thematically matching the puzzles or setting, but that was made up for by how epic looking it was. And it served as a bit of a red herring (which are VERY IMPORTANT in these sort of puzzles), too!
                    • Chadd Nervigg

                      Posted 4 years, 4 months ago (Source)
                      PUZZLE #0: The Riddles I had come up with drafts of a couple of the puzzles, but needed some way to get people into them in the first place. What I came up with was triggering them via a specific series of cards (or possibly deck code), in Practice mode.
                      • Chadd Nervigg

                        Posted 4 years, 4 months ago (Source)
                        Thus, the riddles placed in flavor text were born. The puzzles weren't quite ready until 20.2, but I got to get the riddles into the flavor text in 20.0, so they didn't get immediately called out as something 'new in 20.2 so probably related', which would have made it too easy.
                        • Chadd Nervigg

                          Posted 4 years, 4 months ago (Source)
                          That brings me to an important point about difficulty. These puzzles are designed for an entire COMMUNITY to solve, not just an individual. They have to be *ridiculously* hard to solve. Thousands of people collaborating will notice every subtlety, try every possibility.
                          • Chadd Nervigg

                            Posted 4 years, 4 months ago (Source)
                            I always have this moment, just after something like this launches, where I think to myself, "Wait, I made this too hard. They have to notice these flavor texts, correctly guess that they need to connect phrases to cards, correctly guess the cards, decide to play those cards...
                            • Chadd Nervigg

                              Posted 4 years, 4 months ago (Source)
                              ...in Practice mode, all in one turn, without any other cards. Omg, that's SO many hoops with no hint that they're on the right track. There's no way they'll find that." But then I remember that I *always* have that feeling, yet they solve it.
                              • Chadd Nervigg

                                Posted 4 years, 4 months ago (Source)
                                A surprising amount of the time, the global aspect of this community becomes the key to solving some riddles, because things may be more or less subtle in different languages, or be suspiciously similar or dissimilar in different languages.
                                • Chadd Nervigg

                                  Posted 4 years, 4 months ago (Source)
                                  In this case, people noticed the Traditional Chinese flavor text for the 4 relevant cards were more blatant about the cards required. As soon as someone noticed that, everyone was off to the races and the hunt transitioned from the 'try things wildly' to 'we have a lead!' phases.
                                  • Chadd Nervigg

                                    Posted 4 years, 4 months ago (Source)
                                    I also know that there are many different kinds of puzzle solvers. Some people like word puzzles, some like math puzzles, some like logic puzzles, etc. So I like adding some parallelization, so people can work on whichever suits their fancy. It also let some be easier, some hard.
                                    • Chadd Nervigg

                                      Posted 4 years, 4 months ago (Source)
                                      One revision I'd make here if I could go back in time would be to choose cards for the Rogue riddle that were a little bit cheaper rarity. Overall, I didn't want your collection to be a limiter on being able to do the puzzle (within reason anyway), and the Rogue one pushed it.
                                      • Chadd Nervigg

                                        Posted 4 years, 4 months ago (Source)
                                        Puzzle #1: The Cubes This was the number puzzle of the bunch. I wanted to do some sort of combination lock. I was a bit inspired by the locked chests in Torghast in WoW, but wanted to take that to an extreme level. More tumblers, different effects of each tumbler, etc. https://t.co/SEtBbHaYbX
                                        • Chadd Nervigg

                                          Posted 4 years, 4 months ago (Source)
                                          As with most number puzzles, I knew that someone writing a script/program/spreadsheet would probably be the most likely solution, so I was sure to throw in a number of red herrings to at least slow them down a little: the 3 keys, and them changing attack. Plus, an unclear goal.
                                          • Chadd Nervigg

                                            Posted 4 years, 4 months ago (Source)
                                            As for the solution, people have asked "why 4?". The goal I had in mind was just to get them all the same, 4 just happened to be the solution of the first random combination I liked the look of. No special meaning there, sorry. :)
                                            • Chadd Nervigg

                                              Posted 4 years, 4 months ago (Source)
                                              I also honestly wasn't sure if there were multiple solutions. I didn't think so, but that was really hard for me to prove. Turns out, there are! The solution the community found was different than the one I reverse engineered the puzzle from! BUT, it also ended in 4. https://t.co/Sh5GSoS6t0
                                              • Chadd Nervigg

                                                Posted 4 years, 4 months ago (Source)
                                                Puzzle #2: The Maze I *love* mazes. The Endless Halls is probably the most notorious example of this from WoW. But how could I possibly put a *maze* in *Hearthstone*?! I decided I HAD to find a way.
                                                • Chadd Nervigg

                                                  Posted 4 years, 4 months ago (Source)
                                                  (Oh, I called it the "Doors" in secretfinder discord, because I didn't want to give away that it was a maze too quick.)
                                                  • Chadd Nervigg

                                                    Posted 4 years, 4 months ago (Source)
                                                    So yeah, I put you in an imaginary maze, with controls to turn left, turn right, and move forward, and an indicator of whether there was a wall in front of you or not. That was enough to be a maze, and you could meticulously explore it and map the place out.
                                                    • Chadd Nervigg

                                                      Posted 4 years, 4 months ago (Source)
                                                      I pondered adding 5D space, offset overlapping edges, trap rooms, and more complex victory requirements, but I figured I'd go easy on the Hearthstone community for their first maze. 😉😉😉 I did add limited lefts you can make, for a bit more challenge though.
                                                      • Chadd Nervigg

                                                        Posted 4 years, 4 months ago (Source)
                                                        As you might imagine, the Hearthstone engine isn't exactly tailor-made for this sort of thing, so the scripts involved are... quite something. Just the technical implementation of this was a huge challenge. https://t.co/efry7w8h4y
                                                        • Chadd Nervigg

                                                          Posted 4 years, 4 months ago (Source)
                                                          Puzzle #3: The Caravan Here's the logic puzzle. I like river crossing puzzles, and I had the idea of doing a river crossing with the 2 sides of the board. This was what I came up with, when limited to the minion slots on our board.
                                                          • Chadd Nervigg

                                                            Posted 4 years, 4 months ago (Source)
                                                            I also loved that this one had a ton of room for really flavoring it up to match the Barrens. - Could make the boat a caravan. - Wolves could be Quilboar. - Orc could be Sheep. - Centaur could attack the caravan in cases the crossing was invalid (easy pickin's or too juicy).
                                                            • Chadd Nervigg

                                                              Posted 4 years, 4 months ago (Source)
                                                              I knew that given the small number of moves involved in the solution, this would be solved relatively quick. I liked including a puzzle that was feasibly solvable by individuals, and also gave the community some progress (1/4, woo!) soon after the riddles. https://t.co/oW6B42HEA8
                                                              • Chadd Nervigg

                                                                Posted 4 years, 4 months ago (Source)
                                                                Puzzle #4: The Bazaar Hooo-boy. This was very difficult, both to solve, and develop. I wanted there to be a seriously hard one in there, that would take the community some significant time to solve. I wanted something that wouldn't be solved by a quick script/program.
                                                                • Chadd Nervigg

                                                                  Posted 4 years, 4 months ago (Source)
                                                                  I thought I could probably do that with a trading minigame, using a variety of commodities that you exchanged back and forth. I got to get a bit of flavor in here, with Merchants (sellers, top row) and Adventurers (buyers, bottom row).
                                                                  • Chadd Nervigg

                                                                    Posted 4 years, 4 months ago (Source)
                                                                    I went around and around on the mechanics of this puzzle for quite a while. Ultimately, I ended up redoing quite a bit of it, twice. First time, because I realized that my initial implementation would have required 6hr of game time to input the solution.
                                                                    • Chadd Nervigg

                                                                      Posted 4 years, 4 months ago (Source)
                                                                      (Yes, the original version was EVEN LONGER. You could buy items one at a time.) The solution to that problem was actually an ah-ha moment, as I realized I could make it less tedious, AND way harder, by just forcing you to always max-buy everything.
                                                                      • Chadd Nervigg

                                                                        Posted 4 years, 4 months ago (Source)
                                                                        The second time I redid it, I realized I made a dumb mistake early in my solution series (which I did all manually, BTW), which invalidated everything after it, thanks to my new max-buy rule. Huge thanks to Eric for his testing and patience as I iterated on this multiple times!
                                                                        • Chadd Nervigg

                                                                          Posted 4 years, 4 months ago (Source)
                                                                          My spreadsheet for this one is... uhh... a little more involved than the others. It's also quite the mess, due to the multiple redos. Not sure if Twitter will butcher this due to the size... https://t.co/0hbJn7jrOz
                                                                          • Chadd Nervigg

                                                                            Posted 4 years, 4 months ago (Source)
                                                                            Yup, butchered. OK, try this: https://t.co/uPAx0hWU1D
                                                                            • Chadd Nervigg

                                                                              Posted 4 years, 4 months ago (Source)
                                                                              And here is the nicely formatted solution that we used internally. I think it differs slightly from the community found solution. (Full version, and a 'lite' version that just has the action you need to take for quickest reference.) https://t.co/CDIN0metb4
                                                                              • Chadd Nervigg

                                                                                Posted 4 years, 4 months ago (Source)
                                                                                Using that lite version, Eric and I were able get it down to about 10-12min to input the solution. Still a little longer than I'd have liked overall, but acceptable given the difficulty I wanted to achieve here.
                                                                                • Chadd Nervigg

                                                                                  Posted 4 years, 4 months ago (Source)
                                                                                  And that's about it for the puzzles! One question I've seen asked a bunch is... Will there be more of this in the future?! I honestly don't know. It takes time to do, and I don't know when I'll have time to again, but I'd really love to.
                                                                                  • Chadd Nervigg

                                                                                    Posted 4 years, 4 months ago (Source)
                                                                                    And I think that about wraps up for this behind-the-scenes episode. I'm gunna make a separate thread to do some Q&A about it (this thread is long enough as is).
                                                                          • StormWindBoy

                                                                            Posted 4 years, 4 months ago (Source)
                                                                            @Celestalon This Spreadsheet is awesome, thanks for the great puzzle! I was Storm on Discord btw. I started working on a script to solve it, and got the puzzle represented programmatically, but a solution came in before I fine-tuned a search algorithm. Great fun!
                                                                            • Chadd Nervigg

                                                                              Posted 4 years, 4 months ago (Source)
                                                                              @StormWindBoy Aye, I listened to you a lot, and enjoyed the memes about you! :D I think I recognize your name from the first google doc of theories and things that had been tried; you were also one of the first to theorize about the flavor texts, back on day 1, I think?
                                                                              • Chadd Nervigg

                                                                                Posted 4 years, 4 months ago (Source)
                                                                                @StormWindBoy We enjoyed watching that doc, and the discord chat. I remember screenshotting this at the time, saying "OMG THEY'RE DOING IT!" https://t.co/0FTveGAaNF
                                                                          • RidiculousHat

                                                                            Posted 4 years, 4 months ago (Source)
                                                                            @Celestalon This is absurd
                                                                            • dan0play

                                                                              Posted 4 years, 4 months ago (Source)
                                                                              @RidiculousHat @Celestalon Absurd doesn't even begin to describe whatever that is. O_O
                                                                              • Chadd Nervigg

                                                                                Posted 4 years, 4 months ago (Source)
                                                                                @dan0play @RidiculousHat Thank you!
      • bbrode

        Posted 4 years, 4 months ago (Source)
        @Celestalon Whoah whoah whoah This took only ONE WEEK to make?!?!
        • Iksar

          Posted 4 years, 4 months ago (Source)
          @bbrode @Celestalon The power of @Celestalon with no real approval loops to go through
          • bbrode

            Posted 4 years, 4 months ago (Source)
            @IksarHS @Celestalon I feel like if you told me to make an excel sheet as big as that one he posted and just fill it with literally gibberish, that would take me longer than a week right there
            • Chadd Nervigg

              Posted 4 years, 4 months ago (Source)
              @bbrode @IksarHS Heh, passion does crazy things for me. :D
          • Chadd Nervigg

            Posted 4 years, 4 months ago (Source)
            @IksarHS @bbrode To say that I appreciate the trust that you put in me on this on me is an understatement. :D (And to be realistic, it was probably about 2.5wk of my time, and 1wk across other people, including the revision and polish.)
            • Iksar

              Posted 4 years, 4 months ago (Source)
              @Celestalon @bbrode Sometimes the best thing to do is just get out of the way 😁



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