A downloadable game for Windows and Linux

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You are Sulphur Nimbus, a hippogriff who gets stuck on a cursed island during a sidequest gone wrong. Collect magical blobs, fight weird monsters, and get lost in the depths of the earth.

You'll be able to fly wherever you want, but you're a horsebird so it won't be easy. As you dive deeper into the island's underground caverns, you must learn to manage your momentum with increasing care and precision.

Sulphur Nimbus: Hel's Elixir takes inspiration from momentum-based platformers, six-degrees-of-freedom games, action adventures and collectathons.

The project was funded on Kickstarter in 2016. (It took a bit too long to finish.) The source code is available on SourceForge. The original soundtrack is available on Bandcamp. If you are having trouble, or would like to discuss something else, there is a Discord server.

This game is known to cause motion sickness in some individuals. The learning curve can be somewhat steep and the game features some mild dark themes. It is not suitable for children.

Purchase

Buy Now$5.00 USD or more

In order to download this game you must purchase it at or above the minimum price of $5 USD. You will get access to the following files:

Cross-platform Launcher 317 kB
Sulphur Nimbus (Windows Installer).zip 272 MB
Sulphur Nimbus (Linux Installer).tar.gz 365 MB

Download demo

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2016 Kickstarter Demo

Development log

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Comments

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(+1)

Just finished the game, had a decent amount of length to it and I absolutely adored all of it.

The physics of flying are so smooth and fun. Even though it can be hard to complete certain challenges, I always felt like my failures were my own. It's all very consistent and solid, both on the ground and in the air.

The atmosphere is wonderful as well. Throughout my time playing I always had this sense of wonder, unsure of what I would see next, thinking about what all these strange words and pictures might mean.

I love the visual style and characters too, and the way they're animated is impressive and extremely convincing (and often adorable as well of course). The music is also great, so wild and varied!~

I could really go on and on about everything I liked, instead I'll just say my only disappointment is that I still want more ;P

(+1)

Surprisingly a fun and charming game! The momentum based flying was enjoyable to gradually improve on throughout, even as I stubbornly tackle hard mode from the start. Freely exploring the island was nice, and the story and music were great. Also those tutorial sequences were cute with him picking you up. Thank you for making this game!

(+1)

This looks really amazing. Are you planning more games like this? Maybe even include more species like draconie. (They are a mix of dragon and pony. Not revelant to the show but still they are amazing)

(1 edit)

Not exactly planning on making more games like this, but if the game ever gets something like a modding community maybe you'll get to see something like what you're imagining.

Release 110 has the game crash on startup for me.

Replacing jogl-all.jar with the version in Release 109 fixed the crash.

com.jogamp.opengl.GLException: Profile GL2 is not available on X11GraphicsDevice[type .x11, connection :99.0, unitID 0, handle 0x0, owner false, ResourceToolkitLock[obj 0x2aa6eebd, isOwner false, <1d87c41b, 4faed7ee>[count 0, qsz 0, owner <NULL>]]], but: [GLProfile[GLES1/GLES1.hw], GLProfile[GLES2/GLES3.hw], GLProfile[GL2ES1/GLES1.hw], GLProfile[GL4ES3/GL4.hw], GLProfile[GL2ES2/GL4.hw], GLProfile[GL4/GL4.hw], GLProfile[GLES3/GLES3.hw], GLProfile[GL4/GL4.hw], GLProfile[GL3/GL4.hw], GLProfile[GL2GL3/GL4.hw]]
    at com.jogamp.opengl.GLProfile.get(GLProfile.java:991)
    at main.Main$5.run(Main.java:395)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:301)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
    at java.awt.EventQueue.access$500(EventQueue.java:97)
    at java.awt.EventQueue$3.run(EventQueue.java:709)
    at java.awt.EventQueue$3.run(EventQueue.java:703)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

Hi, sorry about that. If you could provide the full, uncropped error log (including the header) that would be very helpful. Also, please contact me via the discord server or send me an email at oddvahu@ntnu.no if you can.

Me and ntfwc found a possible fix, if you could try this version http://oddwarg.com/Temp/jogl-all.jar and let me know the results that would be great.

Thank you, that build does resolve the issue.

(1 edit)

If you have the time, could you verify that the issue has not resurfaced in the latest version? (112)

Sorry for not noticing your question until now. The issue has not resurfaced in the latest version (113).

That's good, thanks for letting me know.

Encountered a nasty bug.

  1. Play through the Ice Caves after beating it once.
  2. Begin the cutscene with the lift.
  3. Enter the black hole instead of exiting the Ice Caves.
  4. Hit the crystal in the level to exit the Ice Caves.

You can now play the game while you are still in the cutscene. Upon manually exiting the cutscene, any progress made while within the cutscene is lost.

This bug has been fixed, thanks for the report.

You have wrong tagging here, i believe..

The Mozilla Public License & Open-source tag is reserved for games that freely share their source (assets, code)..

The source code is published under the MPL 2.0. You will find the link to the freely available source code if you read the game description. This link can also be found under More information > Links > Source code. 

Oh, i see now, sometimes i write things that i didn't well-thought before..

I wonder though, why is the build paid, when the SRC is free, and doesn't it technically give a permission for anyone to rebuild and share it ?

(1 edit)

I sell the builds because money helps me to live. I've released the source code because I believe it's the right thing to do.

If you have the knowledge required to compile the game, then you can currently obtain a complete copy of the game for free. However, regarding the legality of redistribution: The source code is MPL, but the assets (e.g. the 'res' directory) are, at the time of writing, all rights reserved. This is in part because there are certain assets that I do not own and whose licenses are incompatible with the MPL. You have every right granted by the MPL for all forms of the code, but redistributing a copy and including the assets is, at best, on very shaky legal ground.

That said, I have no intention of fighting redistribution as long as it's not done in extremely bad faith, such as publishing a complete copy on a digital game storefront, or claiming that you made the game. Giving a copy to your friends is fine (and reusing any and all parts of my code is fine), but please encourage anyone who enjoys my work to consider buying the game to support me.

Code and assets being different licenses is not uncommon practice, and it is reflected in the itch.io Metadata. Commercial open source games also not unprecedented, although they are relatively rare. This article contains some examples that follow a similar model:

https://en.wikipedia.org/wiki/List_of_commercial_video_games_with_available_sour...

(+1)

I'm bit late, but congratulations on the release. I'm going to finally play it and I'm excited to see what the full game is like.

minor bug: If you fly fast enough, you can get the plains battle blob before getting 200 blobs

Fixed in the latest update, thanks for the report.

(+2)

Flying is nice.

(1 edit)

Minor bug to report. On my second playthrough with the translator enabled, the entire conversation with Melinda when she winches you up on the ice elevator doesn't want to trigger. I've reloaded the previous auto-save a couple times, and she still remains silent the entire time the elevator goes up, whereas she was a regular chatterbox for my first playthrough, I just had no idea what she was saying.Maybe I'm mis-remembering, but I thought that was the point she kept chattering on about the elevator taking awhile, and her having to manually do it herself, ect.

It is working as intended, I have double checked this. She won't say anything if you do the ice level as your sixth star, because at this point in the story she has other things on her mind. If you want to see the text, either do the ice level earlier or do finish another level first.

Gotcha. I'll try that.

(9 edits) (+5)

Now, this might not have anything to do with the country Oddwarg was born in, but for some reason a majority of this game(ESPECIALLY the underground rooms of the castle and bosses) reminds me of the Nine Lands of Scandinavian mythology.


The two rooms in the first basement, as well as the rest of the island; feels similar to Midgard, the human realm. The castle itself feels akin to the Aesir's domain, Asgard. The ravine is akin to the Vanir's world, Vanaheim. The Hydroelectric power/pumping station feels like the realm of the mountain giants; Jotunheim(Maybe it has to do with the propeller creature you encounter at the end of it, but I dunno), and the lava cave level feels similar to the realm of the fire trolls; Muspelheim. The air pump level reminds me of the light elves' realm of Alfheim(presumably because it leads to the inside of a great tree after) and the weapons factory reminds me of the domain the dark elves and dwarves share; Svartalheim. As for the ice cave level? you can pretty much see quite a few parallels to Niflheim, the realm of mist and cold. But then, that just leaves the chasm level. I fail to find a more fitting world for THAT level than the one that can only house the dead; the notorious Helheim. This final choice is especially fitting when not only the name "Hel" is in the title, but is also part of the game's story as well.


Then again, hey; that's just a theory. ...A GAME THEORY! (I'm so sorry. Had to do the reference.)

(22 edits) (+2)

I've followed the game since the first demo came out and been excited to try out the full version since then. By now I've finished the game and made sure it was 100%. 

I must say I had a blast, the flight mechanics certainly takes some time getting used to given how realistic as possible it's been made, but you can pull off complex maneuvers to get through certain places with enough training. Once you nail it down, you won't hesitate to do tricks on your own.

The levels aren't too difficult to navigate or complete, some are easy and others are challenging. They're pretty linear so you know where to go and what to do and I love the soundtrack, they're all catchy and diverse so you won't hear the same or similar soundtrack between each area. 

The combat is very reactive and a bit difficult but I enjoyed it nevertheless, just the animation of attacks are cool to look at. All the enemies and bosses require learning their attack patterns and when to strike.

Wish there were more endings, it is what it is. Looking forward for more updates if there'll be any. The game was very enjoyable and worth the money spent!

I'm also hoping there's going to be an extra area where you can spawn/fight regular enemies to hone your skill! The boss room is a nice touch but I'd like that too, considering all the enemies you defeat will be gone from the game world permanently unless you restart or revert your save.

It's hard to imagine what it's like for one man to pursue his dreams and make a game from scratch. The art style, the characters, the soundtrack. It's a lot of work and many in his place would had given up on their project, especially fan games. Oddwarg is one person with years of experience as a game developer and he delivers it with help of backers and supporters.

(+2)

I cant purchase the game but the demo was amazing enough for me to love it! Im totally buying this when i can.

(+2)

Yeah, so I've been playing this for a few hours now.

Using an Xbox controller, the camera does feel like it's making tight close combat harder, but, that's pretty much the only thing that actually bothered me much. The other mechanics, when understood, lead to some awesome flying. I actually didn't do many of the underground levels yet - just flying around the isle and exploring is really enjoyable. Dogfighting the moving targets over mountains and between obstacles, fighting some random things on the icy mountain, trying to speed into the spikey eyes on ground.. Man, that was a lot of fun.

Reading the answers below, maybe it's a bit cheating then being from the Nordics and understand what Melinda (?) is saying, but meh, it's fun.

Finally, since you asked for bug reports directly in the comments, uh, the... thing behind Toiletman (or something such) has weird collision, or rather, barely any collision. Beakface just floats above it in an infinite fall. It's weird.

This thing between the two doors. It collides ... weirdly.

Anyway, that was well worth the wait, thanks Oddwarg for delivering!

(+2)

There we go, end. Yeah, that was a satisfying end. Both the last underground level as well as the final boss.

Thanks Oddwarg for a great experience, from learning the basics of flying - and getting adorable "saviour" pictures when you fail, to puzzles, to platforming, to chilling out with great music, and finally to awesome highspeed tunneling and fighting, leading up to a good ending.

This was a blast. Well worth the wait. Heck, now I regret I didn't get the USB tier back then. Heh, well, again, thanks for a great game. Loved looking for hidden energy orbs.


(1 edit)

Glad to hear you enjoyed the game! I have improved the collision model for the drawbridge winch in the latest update.

(+1)

Oh, of course, that's what it is! Yup, collision much more functional in latest patch. You work fast, man.

And I might have spent a bit too much time today killing several disguises over and over, using said drawbridge, just to see their end screens. There sure is a ton of small details to explore in this game. 

(+3)

Great game I've been waiting for a long time. I really recommend playing if you like momentum based movement, experiencing freedom of flight and mysterous atmosphere. All enemy encounters are unique and very creative and as you progress they get more and more epic. I'm in the middle of my second playthrough and I've decided to complete everything 100% and found there are many secrets in the world. What I've enjoyed the most are the flying mechanics. Even though I've had some problems during tutorial, after spending some time in the game world I've found myself zooming everywhere through all levels and rarely touching the ground. Flying became very comfortable and when you combine it with all the jumping and running on walls you can get anywhere with style. This nice learning curve makes my first steps I took in the game as Sulphur look like babybird flailing around :) Again, great game and I'll definitely complete it.

(1 edit) (+3)

I just finished the game last night. It was quite an awesome experience! By far the best quadruped flight simulator I've ever seen, and I loved the puzzles and flight obstacle courses! Combat does feel a little clunky at times, but didn't detract from the overall experience, and considering the small dev team, it still performs rather well. I do wish I could have understood more of what the characters on the island said,(95% of dialog being Norwegian as far as I could tell?), but I think I understood what you were going for as far as Sulphur being stranded in a strange land and not being able to understand anyone. The little I could translate (when dialog paused long enough for me to type it out) did add to my understanding of what was going on significantly, but it just leaves me wondering what all I missed in the rest of the conversation. Overall, a thoroughly enjoyable adventure game with a bit of mystery and intrigue, and I'd happily play any future games that were so well polished!

(1 edit)

You unlock the "translator" after the credits (if you closed the game during the credits, load the ending checkpoint and skip the cutscene), so you can learn what they were saying if you ever decide to play it again.

The translator is added to your documents when you start a new game.

(Also, thanks for playing, I'm glad you enjoyed it)

I hadn't noticed that, thanks for the tip! That'll probably be worth another play-through in and of itself!

(+3)

I just finished my playthrough and what a great game.  I get some great Soul Reaver nostalgia off it with the mix of platforming, puzzles and combat and most importantly the flight controls are fantastic.  It's been well worth the wait so thank you!

(2 edits)

Hi. Where can I submit a bug report? I just noticed that the default controls swap the Movement X and Y axes on game controllers, which makes for all kinds of weird movement. I fixed it manually but you might want to patch it. Thanks.

I will fix this right away.

Thanks! That was quick!

(+1)

Aw ye, time to horsebirb!

(+1)

YESSSSS this is one of the games I've been MOST excited to come out, thank you Oddwarg!

I hope you enjoy the experience.

thank you! I might stream it later today if you're curious. Hopefully more people will hear about it. 

(+1)

Hey, cool stuff.