I played the first collection of puzzles in Twisty Little Passages last night.
It’s basically the dry-erase book version of computer games like “Desktop Dungeons” (the nearest reference point I could recall, but I see the author suggests “DROD RPG”, “Tower of the Sorcerer”, “Myth Bearer”, and “Tactical Nexus” as other computer games which play similarly).
The book is a campaign/story which you progress through, but each page of the book is an independent puzzle – you don’t carry over any equipment or stats; it just tells you what you start with (equipment should be a match for what you finished the last one with; health usually starts higher because you will pretty much never have more than 1 health point left when you complete a puzzle : ) No doubt there was a health potion between the levels.
The story is a fairly bare-bones classic fantasy affair which isn’t hugely important. There’s just one page of introduction text, after which it gets drip-fed to you in the description of each new puzzle. I trust there will be an epilogue.
The puzzles are the point, and are essentially “figure out which order to do things in, so that you will (barely) survive”. You can see everything you need to do (which is always "get from point A to point B, where B is probably defended by a big nasty); you just have to figure out the correct way to do it. Levels are filled with locked doors, keys, healing potions, equipment, and monsters. Nothing is random; there’s “fighting” to eliminate monsters, but this is entirely deterministic – depending on the monster and your own attack and defence stats, a table shows you how many health points it will cost you to defeat each monster. Obtaining equipment will boost your stats, but probably also cost you health to obtain. There will also be different monster types, and different paths through the level, so you will often be choosing which monster(s) to fight to get to a part of the level (or whether you should go there at all).
Should you get the better shield before fighting the troll, or would you lose enough health getting it that you won’t survive the troll even with the shield?
Should you get the shield or the sword if you can only get one of the two? You will fare differently against different monster types depending on which you obtain… which will enable you to survive, and which will lead to inevitable failure?
The health potions frequently have different healing values and are behind locked doors or protected by monsters. Do you need to get it now, or do you come back for it later?
Etc, etc…
I used a dry-erase pen for the first puzzle, but after that decided to just track everything in my head and avoid the writing and erasing hassle, and the early puzzles are certainly small enough that this was totally fine. I believe the difficulty ramps up, so I may need a pen again later. (The book didn’t actually come with a pen, so I grabbed one from another game.)
I like it! The book quality is really good; the artwork is nice with varied scenarios and maps; and in general it does what I was expecting it to do. The computer game variants will certainly have more content and more complex gameplay; but I enjoy this style of puzzle, and it’s neat to have something like this in book form.
You can see/play the first set of puzzles in PDF form at Caravel Games - Twisty Little Passages