"In 2062, Men from Terra have access to a new technology from a mysterious Black Cube they found 5 years before. With this new power, they decide to explore their solar system, in search for signs of intelligent life. They send you to discover the planet Catyph and its moon Tytaah."

CATYPH: The Kunci Experiment is Another Space Adventure reminiscent of Myst and Rhem, and you can certainly play it without knowing anything about the first Black Cube game, ASA. With the help of the data that you collect on Tytaah, you must attempt to access the 7 regions of this moon. Your main mission: understand what the Kunci is. The whole game relies on observation, discovery and exploration.

  • Discover a new story in the Black Cube series (ASA, Myha...)
  • An average of 15 hours of gameplay (25+ without walkthrough or help system)
  • Developed with Visionaire Studio (Daedalic)
  • Play in HD 1920x800 with video transitions
  • OST: 18 tracks composed by the artists of KARREO
  • Different difficulty levels
  • And of course, all new puzzles !
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Kel Leda was my project for Adventure Jam 2017 on Game Jolt. You can see all 126 submitted games on the official page of #advjam2017, and vote for your favorite adventure games before June 15th, 2017.

Download the demo on Game Jolt, or directly from the files on IndieDB:

Want this project to be continued? Show your support by following it on Game Jolt, vote, and spread the word about it! Thanks!


Kel Leda is a free short game inspired by my scifi series, The Black Cube. It was created in a limited amount of time, for the fun. It was made in about 10 days from scratch specifically for the game jam (ideas, story, graphics, audio, development...). Unfortunately I couldn't go as far as I had planned: there are very few interactions with the environments, so it is currently more a narrative experience than a puzzle game.

Homepage: Theblackcube.fr

Image 11


"Terran astronaut Jack Ollin, travels to planet Catyph. Unfortunately his spaceship suddenly starts to fail and the journey cannot continue as expected. He and his custom AI, DIAM, are somehow attracted by a mysterious secret on Kel Leda, a moon covered with thick ice, where scientists believe that there is a vast liquid ocean under the surface..."


Kel Leda is made of pre-rendered static views like ASA. Except that you don't play by watching through the eyes of the hero: you make the story progress from his computer, with the help of the AI.

kel leda ingame small 8


  • A short and easy game in the Black Cube series
  • HD graphics, prerendered background in 1080p, developed with Visionaire Studio
  • Opening movie in CGI
  • A narrative story with full voice over (french)
  • English and French texts
  • Music and voices generated by the developer during the game jam
  • Includes a video making of (concept art, 3d research, modeling, ...)

Making Of video

Discover how the game was made during Adventure Jam 2017. This interesting video is available for free from within the game. Simply download Kel Leda using the link below, run the exe, and click on the Bonus menu!

Image 10


ASA and Catyph Steam sale

ASA and Catyph Steam sale


Black Cube games (ASA and Catyph) are on sale. Save 63%!

Catyph giveaway

Catyph giveaway


Don't miss the giveaway of Catyph! Only a few hours left to get one of the 30 Steam keys...

BlackCube Game Jam begins tomorrow!

BlackCube Game Jam begins tomorrow!


We invite developers from all horizons to participate to our Game Jam! BlackCube Jam 2016 begins this Monday (December 12). Create a game in 6 days...

Catyph finished

Catyph finished


Catyph was released in June 2016 and is now in its final version. It probably deserves a quick summary before I move to something different and prepare...

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Kel Leda - Adventure Jam edition

Kel Leda - Adventure Jam edition


This is my submission for Adventure Jam 2017 on Game Jolt. It was created in less than 15 days according to the rules. If you want the project to be continued...

Catyph Demo - First steps on Tytaah

Catyph Demo - First steps on Tytaah

Demo 2 comments

A playable Demo of Catyph: The Kunci Experiment...


Pretty neat game. Just started a review of the demo over at Youtube.com

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Simon_ASA Creator

Thanks Johnyliltoe! Your video is good, well done :)
I know that the game is quite hard, it's recommended to play with a pen and a paper to take notes.
There's a walkthrough available on the homepage here:
(scroll down until you see the walkthrough category)

Edit: I just realized that you even posted a 2nd part!
Edit2: and part3 too!

Reply Good karma+1 vote

Hello, Simon. Your posts about production and post-production are very nice. I didnt read all of them but I will. Its good to learn a little more about that. Thanks.

Im concerned with one thing. Do you try to make most puzzles related to the story and settings? Some puzzle-heavy games tend to have very little story and too much puzzles which can be pretty overwhelming after some time. So Im curious how do you balance these things.

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It looks really nice. Congratulations, Simon. You achieved to make the CGI movie interesting and surreal while not overdoing it into some weird stuff. There is only one very strange thing - that the astronaut is alone. I would advice to have some explanation for that (hint) in the game. I have few questions:

- Is movement free (FPS style) or nod-based?
- Could player meet few people or other inteligent beings/robots in the game in order to talk with them? Or is it secret? :)
- Is the story partially surreal or mythical or most things are explained and logical at the end?

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Simon_ASA Creator

Sorry for the late reply! Thanks for your comment, I'm glad you liked the short film. The fact that the astronaut is alone is somehow explained in the game, yes. You will have access to a datalog with a lot of info.

- movement is not free. Catyph is a slideshow game with video transitions. It is not realtime 3D.
- the player will be in communication with different characters. They will talk to you and make the story evolve.
- the story is both surreal and logical. It is surreal because most of the technologies and events are far from what we know of space exploration nowadays, but everything finds an explanation in a sci-fi way.

Reply Good karma+1 vote

Thanks for reply. Movement and communication is ok for me. I hope that at least one of these characters wont be human. :)

Do you also plan some survival element like the need to supply water tube in your suit? I know its not exactly survival adventure, but... you are alone on a distant moon after all. It could be implemented as mild atmosphere-enhancing puzzle element, not some constant deadly threat (for example - you will need water only few times in a story).

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Simon_ASA Creator

I can't tell too much now :) There is something I have in mind about supply, but it's not water or food. I will have to make some tests first, but later in the development when I have finished the graphics part.

You can see a preview of the characters on the devblog: 2011asa.blogspot.fr

Reply Good karma+1 vote

So oxygen then? :-)

Chars - that two unrevealed chars somewhat reminds me of R2D2 and C3PO. :-)
Germinal - he looks like a vampire.
General - I would probably avoid that cigar. Its pretty stereotypical Starcraft-style feature for "cool tough soldiers". IMHO scar would be better. The whole general model is far from great but I assume you wont see it much in the game.

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AWESOME!!!! Keep working on it!!!Super!

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Single Player
Myha Point and Click
Boïnihi: The K'i Codex
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Kel Leda
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Latest tweets from @simon_asa

Kel Leda intro on Vimeo Vimeo.com. Vote for your favorite of all 126 games submitted for #advjam2017!… T.co

May 22 2017

Je viens de mettre en ligne « Kel Leda » sur #Vimeo : Vimeo.com

May 22 2017

Je viens de mettre en ligne « The Making Of Kel Leda (Adventure Jam 2017) » sur #Vimeo : Vimeo.com

May 22 2017

Kel Leda demo walkthrough Gamejolt.com #advjam2017

May 21 2017

Kel Leda now has an official page Gamejolt.com

May 21 2017

Trailer of Kel Leda for #advjam2017. The game was published on @gamejolt yesterday Youtube.com

May 20 2017

Finally finished my game Kel Leda in time for #advjam2017. That was fun! Hope you like it, and thx for playing :) Gamejolt.com

May 19 2017

Today 2 new screenshots of Kel Leda, my game for #advjam2017. Only 1 day left, and I am far from the end! Patreon.com

May 18 2017

Interesting interview, and good soundtrack by @Python_Blue inspired by my game ASA. That's an honor to discover res… T.co

May 4 2017

Great pics @JJ_Barcelo ! T.co

May 4 2017

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