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This game is awesome! It really gets the brain working. It's also cool that we look like jellyfish.

I LOVE IT, made my brain hurt but i did it


Wonderful game! Remainds of Portal.

Amazing, just AMAZING! I love games that take place in non-Euclidean spaces, and this was AWESOME! It also gives a lot of freedom to the player, and I spent an hour or so exploring the different gravity directions in the first room before finally finding a way to cheese it! 10 out of 10, literally epic. You absolutely nailed the aesthetics too, and the fact that you could set the FOV to 90 and turn the filter to noise made it so great and playable! And the secret "Non-Euclidean Room" was just plain rad. You should definitely create more games that take place in non-Euclidean spaces! 


I LOVE THIS GAME!! I love the tower level.

Love it


This is amazing, How do you plan to make the full game? Are you going on kickstarter?

This game is a piece of art, thanks really.


Amazing artwork, did you do it by yourself?


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Pretty nice this game. I just couldn't on the laser was in upside-down statue and I tried so much Any spot we can't reach the lever.

The third part and last one(fourth) I bring here as soon as possible. But those are done. Just upload them and paste here. Maybe I doing something wrong, just one single box and that upside-down statue hum... I cannot reach that lever anyway. hahahahaha But I loved the game, I liked the protagonist character being a sort of tentacle alien and not human being (original idea). Another original idea is that multiverse three dimensions Genial! Wicked truly. I liked that idea when we walking around and watch some door or windows from same dimension but in opposite positions and locations e can see us ourselves passing through there as well we seeing our past and our future, but in real time motion. Very cool. Congratulations and sorry about my weak english. Greetings from Brazil and as soon as possible I will upload here that couple parts left. If you make some more games in this style or some continuation I will plays and bring here either. Very very good. :)

Was gonna try speed running it but the competition is too heavy... they pretty much got it down.


Great game, pitty it has only like 15 minutes of gameplay. But i liked it.

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fifteen minutes when you did yet play before. At first time you might missing much more time in.


Great game, the meeting and the run XD
If it wasn't for the names I totally wouldn't have solved them XD


The "Gravity bridge" was really hard.

So there is a sense of accomplishment.   It was fun!


HOLY SHIT WAS THIS AMAZING!!!! feelingg like my brain just exploded would love to see more of this game nusan

Out of curiosity, would you consider putting this game on a standard console?

I could consider putting Fragments of Euclid on console but only if I put more content in it, right now it's a bit short I think.

Loved it! 

im stuck on "lone cube"-or whatever its there a specific order to completing it

Hello! "Lone cube" can be a bit hard. You can return back to "transfert" if you want and there is other puzzles you can access from there. To solve "Lone cube", you first have to open the gate beyond the little bridge. The switch to open it just above it, behind another gate you have maintain open while dropping the cube through another door. If this doesn't help, here is a walkthrough you can look at:

I had found the solution about 20 minutes after i posted the comment, but i forgot to delete it sorr

No problem, I'm glad you found the solution solution, have a nice game!


HOLY SHIT MY BRAIN HAS MELTED THANK YOU SO MUCH! Damn this is an amazing game that had me questioning my very existence! I don't even know how you come up with these puzzles at all but they work so well and have a new aspect intruduced at every corner. Plus the ambience and unsettling sounds really set the mood and made everything feel like it was off and that something was gonna big is gonna happen in the end. And boy did it!


I really loved it, super clever and mind bending puzzle mechanics, I felt lost more than once! But it all comes together quite nicely! You can be proud, I love how this looks and the ambiance it has, very otherworldly, and that Euclid in the end xD

Would buy a full version of it!


Hi mate, have you considered releasing this game on steam? I would gladly pay (again) for it to have it there in my library. 

Please consider it. Thanks for the amazing game, it was something rly special.

This game looks so fun. Non-euclidian or something i cant spell it games are fun

Wow I just played It and it is very fun and I like to write very long run on sentences and also it is fun did I say that i do not know but It is fun to adventure around the world that confuzzles me wow this is epic.

In fact you did spell "non-Euclidian" exactly right


Wait the joke's on both of us, I just bothered to check and it's non-Euclidean with an E. Oh well lol


Wooo, this game is awsome. I was playing for at leas 3 hours.

I want a game when you have to get away from some creature in a non euclidean world.

This was an extremely fun game.


that was so so so coooool

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digging it


Didn't you consider a KickStarter or something like that? I'd like to play the next episode and I'd give some money to see it.


I think I said "how is that even possible?" about 137 times, grinning the entire way.


A MASTERPIECE!  WOW!  I didn't want to leave the starting area to start the game as I was trying to wrap my head around what was happening.  This is polished genius and definitely a throwback for fans of Portal.


Thanks for the great game!

Love the name (hated "Non-Euclidean Room", the geometry is Euclidean here, it is just the topology which is weird).

For the sequel maybe the third-turn space could be used for something, it has similar Escher's Relativity effects, but is a complete manifold, not walls with portals (a bit like in Manifold Garden but connected in a more Escheresque way).

hey, you are the creator of hyper rogue right? I have a question for you, what inspired you to do this game? Its very creative and very well made and i wish that you keep working on it!

Other thing i need to know, could tou recommend some non-euclidian games and simulations, i am searching for all kinds but i would like to see something about spherical geometry.

Sorry if i wrote something wrong cause i am not a native speaker


Hello, I'm not the creator of hyper rogue, it is zenorogue if I'm not mistaken

I'm glad you liked the game, my inspiration where mostly Antichamber and a game I saw in a festival but did not get released yet, De Pictura: 

Also I started this project during a game jam (ludum dare) where the theme was "One room" so that made me think about how to use portals to make you loop in one giant room. You can still play that small game here:

If you like that theme, I recommend youtube channel "Code Parade" that has several videos around non-euclidean geometry and his even working on a game inspired by hyper rogue.

I would love to see games about curved spaces but I don't know many. I worked on ideas around that for a sequel of Fragments of Euclid, but unfortunately right now development is paused and I don't know if it will start again someday ...

Please, consider releasing the game on steam!! :))))  would LOVE having it there with all my library. I would totally pay for it again. The game is truly amazing.


Your English is great! Though probably it would be better to ask this on the page of HyperRogue, as it is confusing and harder to find that way :)

Regarding inspirations, well, I have always been interested in both mathematics and game design, so naturally I wanted to create a game in non-Euclidean geometry. I have written a series of blogposts about all the inspirations of HyperRogue: (I must update it...). Thanks, we are planning to keep working on it :)

I have collected cool games and simulations are in the "geometry" link I have posted above. 



Ahah, I didn't see that it was a reply to your post, sorry for the confusion ^^

To respond to your post from 71 days ago, "Non Euclidean Room" was the only name my poor brain could come up when the ludum dare game jam ended late at night ... For a possible sequel, I worked on "scaling portals" when you connect portals of different sizes and could even do non uniforme scales. I also tested curved portals that would distord the world when you cross them. But all my tests where more about bending meshes than really bending the space.

Thank you for all the reading and links in your articles, I will read that with attention.

M. C. Escher x Non-Euclidean puzzles is my dream! Amazing aesthetics and graet puzzles. 

Despite the estimated playtime of 45 minutes, I feel like it took me that long each for figuring out what to do in Lone Cube and Gravity Bridge, but I'm glad I managed to reach the ending without any hint. The secret room was a nice touch too. 

I'd like to play more of this and I'm ready to pay for that! Please keep up the great work!

Very nice

Hello! I love your game! Unlike others comments that I have read I find it very hard and it took me hours to activate one laser. I would love to play again but the game doesn't save and I don't want to start it all over - again. How can I solve this?

Hello, I'm glad you like the game! Your progress should be autosaved so that when you launch the game again you can just select "continue" to resume your progress to the last "checkpoint". I hope this works for you.

It did not save on my macbook but did on desktop.  Thank you!


Wow this game would be perfect in VR..

this game is absolutely awesome 

what a great time! absolutely looking forward to more of your work

this game is absolutely awesome and that to be continued gave me hope for another game like this

I really enjoyed at this, with that gravity, puzzles and more. Hope you will add more stuff and levels :D

Amazing game! Great concept and clever puzzles! I only have one little suggestion, could the camera angle be a little wider? I often felt like I couldn't see enough of the space at once...

I hope that you'll work more on this great game!

Thank you, I'm glad you liked the game! You can change the camera angle in the options if you want to.

Great demo, fun puzzle solving and lot of potential

The paper-made background is amazing, keep it up👍

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