Cosmogonic Overflow
1D Metroidvania puzzle game in a book format. Sci-fi with a specific alternative/retro spin, with subtle psychological and cosmic horror tones.
Suggested browser: Chrome, Firefox
Mobile works, but not exactly recommended.
Please leave feedback.
Update: Improved combat related pages with quality of life changes.
Update 2: Added sounds
Update 3: More quality of life for combat, more firefox fixes, and some text adjustments
Update 4: Another attempt to make chapter 2 more intuitive. PROTIP: At chapter 2 you are supposed to go back after getting the item instead of bashing your head against wall.
Update 5: Added QOL, more obvious page focus, better navigation, less sound delay, better page placement
| Status | Prototype |
| Platforms | HTML5 |
| Rating | Rated 5.0 out of 5 stars (1 total ratings) |
| Author | Rezydent |
| Genre | Adventure, Card Game, Puzzle |
| Tags | Horror, Metroidvania, Psychological Horror |
| Average session | A few minutes |
| Languages | English |
| Inputs | Keyboard, Mouse, Touchscreen, Smartphone |
| Links | Twitter/X, Blog |



Comments
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Please finish this!
I'll try as soon as I can wrap my head around it. As of now I have an almost full revamp ready with better graphics and I'm gradually planning out an improved concept.
Still working on that?
I'm ashamed to say I didn't touch it in a long time. In the meantime I had a hard drive failure and lost my entire pile of design notes for the project. Thankfully by some miracle I managed to get back source code for the full graphical revamp so it's not that hopeless. It's not too much of a step back, since most of the notes were brainstorming and at least the filenames are intact, but it will be an even bigger pain to get back into the project.
Stay determined.
That was really good! This game has a lot of potenial, friend, nice job!
But yeah, battle system has a good basis, but needs more refining
I love this so much. This is really cool! I found this on alphabetagamer and it's like a far more esoteric version of a Fighting Fantasy book (which is an awesome idea)
Thank you! Esoteric is a good way to put it, especially if the project was fully realized.
Nice book gameplay, unfortunately I cannot pass the Brain Scrambler, tried few times, but the card fight is too much cryptid
Thanks for playing! This fight isn't obligatory, I'm not even sure if it's realistic to beat it at current version anymore.
Damn, I'm tempted to bring this game back from the dead after all the unexpected attention it got recently.
Oh I see now. I after get the lamp, I back to corridor and find the end(for now)
The idea of modify the book on the run are really awesome, it's a good innovation compared to games adapted from choose-your-own-adventure books. It really deserves a full game. Maybe more pop up children books will give you some inspiration to make the navigation less linear.
I love the concept, though the fight mechanics are way too complex without an actual tutorial, and the auto-battler is too slow to feel usable.
I love the concept, even if I'm not so good at the card game part.
Thanks for the comment!
I might have overdone it with the AI, so knowing the mechanics and observing the opponent is important. Then there's still some RNG involved unfortunately, that's why I'm not stacking penalties.