
You face a 9-headed hydra. Your sword cuts 5 heads in each swipe (never less), which kills a 5-headed hydra, but a larger one will regrow 2 heads after each swipe. Your scythe cuts exactly 7, but 10 grow back if the hydra lives. Can you kill the hydra? Or better to explore to find more arms first?
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You are facing a nine-headed hydra. Your flaming longsword cuts five heads in each swipe (no more, no less), which will kill a five-headed hydra, but a larger one will regrow two heads after each swipe. Your storm scythe cuts exactly seven heads, but it makes ten heads grow back if the hydra is not dead. Is it possible to kill the hydra? What if you also had a silver dagger, which cuts just one head, but makes five heads grow back?
Solution: [spoiler]It is impossible without the silver dagger (the number of heads always stays divisible by 3), but possible with the silver dagger, for example: 9 -> longsword -> 6 -> longsword -> 3 -> dagger -> 7 -> scythe -> 0.[/spoiler]
If you liked this puzzle, and you also like dungeon crawling, Hydra Slayer is for you!
The unique combat mechanics of Hydra Slayer are based on the puzzle above. It is challenging both at a short term tactical level (each hydra is a unique challenge, bumping into it with your weapon almost never works), and at a long term strategy level (you have to build a set of weapons which slays hydras effectively). While the early levels could be used to teach arithmetic and tactical planning in a fun way, building an effective set of weapons for late levels is a challenge even for expert number theorists!
Hydra Slayer predates the "roguelike deckbuilder" phenomenon by focusing less on traditional roguelike grid-tactics and more on constructing complex synergies inside a limited inventory of weapons. Not really a deckbuilder, but still fully a roguelike, so this tag is more accurate than usual!
Hydra Slayer currently features a tutorial, 5 player character races with distinct characteristics, 28 enemy types (10 common hydras, each in two varieties, and 8 special enemies), 28 types of equipment including rare artifact weapons with special properties (not counting material and size variations), 15 weapon materials, 18 types of magical items which help you in your quests, three game geometries to choose from, 8 level topologies on very deep levels (including the Möbius strip and Klein bottle), 11 level generators, two endings (a small victory for quick challenges and more casual players, and a big victory for those who want more challenge), and millions of heads to cut!
The Steam version of Hydra Slayer includes online achievements and leaderboards, a "challenge" mode for short but very interesting games (much more unpredictable than the normal play), traps to lead hydras on, and Orbs which provide a powder/potion effect many times at the cost of a weapon slot!
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English
Engagement
Hours played at review time, across 43 reviews with recorded playtime.
Reviews
Themes across 43 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
Подробная русскоязычная рецензия здесь: https://habrahabr.ru/post/282383/ Very cool, but very specific game. If you are a mathematician, programmer, roguelike fan or just a nerd, most likely, this game is for you. Otherwise... Anyway, if you're not outright scared with the concept of killing ancient beasts with the power of math, you should give it a try. You can start with the [url=http://www.roguetemple.com/z/hydra/download.php]free version[/url]. Keep in mind, though, that free version lacks some recent and/or steam-specific features. P.S. Sorry for my poor, google-powered English. P.P.S. This is my very first review. Yes, that game is awesome enough to make me do it.
Hydra Slayer is a rogue like game which tasks the player with.... Killing Hydras. Hydras are large snake like creatures, killing them requires cutting off their heads.. The game has various weapons and magics, each weapon can remove a certain number of hydra heads, the task is to eventually widdle the head number down to zero, using math to figure out the correct weapon or magic to use. It qualifies as a rogue like game but onw in your typical go into dungeon, slash up enemies, and collect up items. This game has enemies, and items but the math aspect makes the game unique. This game won't be for everyone, the math and different weapons aspect seems to be both cliche and unique. I personally found the game to be rather exciting to play, it came across as a roguelike, but had some puzzle elements, and the added math problems made it challenging enough to last for numerous hours. The graphics are kind of minimal, but they really aren't needed to enjoy the game. [h1]pro's [/h1] Challenging game play interesting take on rogue like old school game play many weapons to choose from multiple races to pick from [h1]con's[/h1] music could be a bit better The math aspect was ok, but really could have been ditched [h1]Conclusion[/h1] A fun retro old school game which will offer any rogue like fan quite a few hours of fun and adventure. Can you become the hero and slay the hydra, save the princess, reap the gold and set yourself apart from all the pretenders..
[i]Thank you to the developer for generously supplying me with a review key.[/i] --- [b]For anyone who likes classic roguelike games with fresh new mechanics, [i]Hydra Slayer[/i] is a must-have.[/b] [i]This game is highly addictive; while it is completely its own original thing, it has hints of the [i]Desktop Dungeons[/i] playstyle/strategy mixed in there.[/i] With that being said, it isn't nearly as frustrating or pure-coffee-break game as [i]Desktop Dungeons[/i]. [i]Essentially, the game plays as a straightforward roguelike dungeon crawler with the interesting mechanic of how the combat plays out.[/i] A great majority of the enemies are hydras with varying number of heads. The weapons you wield can kill or stun a certain number of heads, therefore making it a bit of a math puzzle in how you go about taking down the hydras on every level. Once you kill all the hydras on a level, you progress. There are no shops. Items are found scattered throughout the levels in a mostly pre-determined fashion. [b]It all works very well.[/b] [i]One thing I want to stress, is that while knowledge of elementary mathematics is a substantial part of solving the hydra puzzles, this isn't inherently some kind of educational math game.[/i] Once you learn the system and know where to look, the game does alot of the math for you. If you absolutely hate adding a few numbers in your head, I'd probably stay away, but otherwise don't let the 'math' portion of this scare you away. [b]Pros:[/b] +Brilliantly fresh new mechanic for a roguelike. It all works so well. +I love games (specifically roguelikes) that truly reward learning the system. The kind of thing where a newbie has < 5% chance to succeed, while a veteran who understands the nuances has >90%. [b]This game truly does this, and does it well.[/b] As time goes on, I can easily get to higher/deeper levels. There are no meta-game unlocks either. +The playable classes are all brilliantly thought out, and vastly different. I could go on and on about this point, but simply explore that for yourself! +I play [i]a lot[/i] of roguelikes, and the items in this game are far more functional and really fun to use compared with most other roguelikes. Nothing feels redundant or wasteful with the item functionality. +Keyboard controls are super smooth, as should be for any classic rougelike. +There is like three or so majorly different layouts you can choose from. Ranging from a hex-grid to isometric, and more. +The Steam achievements are very appropriate, and will have you coming back for dozens of hours, if not more. [b]Cons:[/b] -Music and sound could be better. I mean they are ok, but really what you are getting here is a hugely addictive gaming mechanic. -Artwork is ok as well, but I would [i]love[/i] to see some wicked pixel art tiles! -As with [i]ADOM[/i], the engine can give some slowdown, but it is fairly manageable. There are alot of settings on NotEye, so maybe I just haven't found the sweet spot yet. -I'm hoping a community-backed Wiki pops up! Or at least some detailed Steam guides woud be great. Its not a 'con' of the game, but something I'm putting out there! I will try to make a guide after I have more hours under my belt (I am at about 15 total so far). [b]This is brilliantly done, and highly addictive.[/b] Y'know if you are on the fence you can try the game for free by downloading it from the developer's website, but I assure you it has earned its asking price. This is a no-brainer for any lover of the classic roguelike.
The description of this game does not do it justice. Roguelike based on mathematical puzzles sounds like an arithmetic quiz program or someone packaging puzzles in a mediocre framework. One of the reviews even said it would be ok without the math. I envisioned puzzles where there was a correct solution every time. This is first a roguelike (oldschool roguelike), and the 'puzzles' are, like a game play in awell designed roguelike, emergent - naturally arising from the procedurally generated world. There are often many good solutions to the puzzles, and the game play revolves around finding good enough solutions, and using your resources wisely. This also sounded like it would be novelty alone. It isn't - at least for me. The weird way the weapons work makes it so every level there are interesting decisions about which to keep - there aren't any that stand alone, you are judging the effectiveness of your weapons by the combinations you choose. This contrasts with most role playing games where you find a good weapon, use it for a while, then replace it with a better one - one which is obviously better. The arithmatic in it won't be for everyone, but if you don't mind it, and like old school roguelikes, then I would bet you will like this game. Make sure to use the potions of knowledge - they will teach you how to think about the puzzles. Also make sure to use the auto explore ('o'), it speeds the boring bits along.
Hydra Slayer - кажущийся простым рогалик, за которым стоит большая и глубокая идея. Вы охотник на гидр, у гидр много голов, есть оружие, которое срубает N голов, и чтобы убить гидру нужно срубить их все. "Но есть нюанс" - срубить больше голов, чем есть в наличии, нельзя. Ваш Ржавый Топор Ужоса рубит по 3 штуки за раз, а у гидры осталось только одна - поздравляю, у вас проблемы. В результате у нас рогалик, в котором реально нужно постоянно думать. В самом буквальном смысле - считать в уме. Несколько лет назад, когда игра была на стадии 7DRL, меня это отвратило, теперь я не могу от нее оторваться. Мы начинаем с простого вычитания, но по мере увеличения головастости врагов, в дело вступают делители, извлекатели корней и прочие виды операций над числами. Ни с чем ни сравнимое удовольствие, когда ты в три приема разделал тысячеголового противника. Вместе с тем игра не дает расслабиться, периодически подкидывая всякую малоголовую мелюзгу, справиться с которой оказывается тем сложнее, чем более крутым становится ваше оружие. За эти годы автор отшлифовал игру, добавил графику, различные расы, таблицу рекордов, ежедневные "челленджи", так что за весьма скромные деньги мы получаем полностью законченный продукт. В общем, 10 отрубленных голов из 10.
(My playtime also includes several hours of the free version prior to it being on Steam.) A lot of people complain that games are getting too dumbed down. Hydra Slayer is here to remind you that actually, you only want a game as smart as you are, and you ain't all that smart, sunshine. Hydra Slayer is a game that literally has a powerup that tells you exactly how you can optimally fight everything on screen, and you're still going to lose a lot. It's a great game in small spurts before the crushing despair gets to you. It's not for everyone, but if you want a hardcore game, Dark Souls is a ♥♥♥♥♥♥♥♥ ice cream cone next to Hydra Slayer.
这个游戏的难度很大部分建立在信息不够直观上,难以把实战转化成经验策略。冷门游戏指南又少,我是啃不动了。但作为对开发者zeno和他上一个游戏[url=https://steamcommunity.com/id/edwin2o2p/recommended/342610] HyperRogue [/url]的支持,买了还是爽到。这里简单介绍一下我已掌握的情况,有猛男感兴趣的话可以试试。 游戏设计灵感来自希腊神话海格力斯击杀海德拉“砍掉的蛇头会重生”这一概念,然后就有了基本玩法:安排好随身携带的不同伤害武器的攻击次序,以最少的攻击次数斩落全部蛇头,而这需要武器伤害或者策略足够[b]正好[/b]抵消海德拉因受伤不断规律性再生的蛇头数量(就像小学数学中泳池一边放水一边注水何时放干)。除了不同武器每刀斩落的蛇头数不同,还有属性相生相克提升运算决策的复杂度,以及多样的道具来应对游戏随机性可能会产生的仅靠武器无法解决的状况。 不过,HS首先是一个老派RL然后才是数学PUZ,这使得入门进阶需要掌握的信息更多更杂,其中很多还要以猝死为代价换取,比如应对后续关卡需要提前做的准备,包括武器伤害合理升级、武器属性微调、针对性道具积累等等。再加上开头提到的信息不够直观,“未知”对游戏过程有着绝对影响,成了高于解谜的存在。真实无从下手,有点急也有点生气。 [url=https://store.steampowered.com/curator/34646096-80-Days/]更多评测 [/url]@[url=https://steamcommunity.com/groups/80days]80days[/url]
Definitely worth 3 euros. Where else can you meet a 33565-headed hydra and have to decide with which sword you need to strike first?
✓ acquire extra limbs through the power of alchemy ✓ hold many mighty weapons with which you plan to slay hydras ✓ realise you left the weapon you *actually* needed on the previous level ✓ accidentally make seven additional heads grow back after swiping a hydra ✓ P A N I C ✗ keep calm and remember mathematics got you into this problem, and can theoretically get you out ✓ die anyway. 10/10 Roguelike
A unique, mathematics based tactical and strategical roguelike where every battle and choice matters and several layers of math puzzles have to be solved at every point in the game. Will get your brain churning in a way no other roguelike will. 5 races and a huge amount of weapon variety await - if you can keep your brain in gear and make it further than your last run.
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Momentum
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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