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A jam submission

HANABI ZEROView game page

Every firework wants a different number. Hit each one exactly.
Submitted by Maruo (社内SEまるお) (@se_maruo) — 3 days, 11 hours before the deadline
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HANABI ZERO's itch.io page

Results

CriteriaRankScore*Raw Score
Enjoyment#22803.4293.727
Creativity#33523.5123.818
Artwork#37303.2613.545
Audio#46232.7603.000
Narrative#69992.0072.182

Ranked from 11 ratings. Score is adjusted from raw score by the median number of ratings per game in the jam.

How does your game fit the theme?
Your count only changes when you step on numbered tiles, and every firework tube on the board is painted with a number of its own — it launches only if your count matches it exactly. So the whole game is spent counting down through a specific sequence of exact values, in a specific order. Later stages add gunpowder tiles that push the count back up, so "counting down" stops being a line you walk and becomes a route you have to plan.

(Optional) Please credit all assets you've used
No external assets were used. This game ships with no image or sound files at all — every visual is drawn at runtime in code (shapes and particles), and every sound is synthesized live with the Web Audio API. No AI-generated art or audio. The code and page text were written with AI assistance, as disclosed on the project page.

(Optional) What would you like to be called if GMTK features your game?
Maruo

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Comments

Submitted (1 edit) (+1)

First of all, the idea and concept are really interesting! However, the levels felt a little too easy, even though I’m not very good at puzzle games, I completed them all pretty quickly. Perhaps an additional challenge could be introduced starting from the third level. The art is also very pleasant)

Developer

Thank you — really glad the concept clicked! The difficulty is the #1 thing people have flagged, and you’re right that it should start ramping earlier. I did add harder stages later in the jam (11 onward), but by the time enough people said “start the challenge sooner,” the deadline for updates had passed. Definitely the first fix if I revisit this. Glad the art landed too!

Submitted(+1)

Insanely satisfying!

Developer(+1)

Thank you! Glad the payoff landed :)

Submitted(+2)

A fun and simple game. Would like to see more levels with higher difficulty. Good stuff!!

Developer(+1)

Thanks! Funny enough, this is the #1 request so far — several people said the same thing. I did add four harder stages (11-14) partway through the jam, but by the time I heard “more difficulty” from enough people, the deadline had already passed for updates. Definitely the first thing on the list if this becomes more than a jam game.

Submitted(+1)

A simple but quite fun puzzle game. Although it seems to lag a bit on the browser. It is quite relaxing to play.

Developer

Thanks for playing! Glad it felt relaxing overall. The lag is likely from the fireworks — each burst throws a few hundred particles at once, and that can add up on lower-end GPUs or older browsers. Good note for future optimization — appreciate you flagging it.

Submitted(+1)

Well Done Game!

Fun Math puzzle Game!

Developer

Thank you! “Math puzzle” is exactly right — glad it read that way :)

Submitted(+1)

Enjoyed this, simple clean and elegant

Developer

Thank you so much for playing! I’m really happy to hear you found it clean and elegant!

Submitted(+1)

Fun game with a lot of nice flair and satisfying effects. I think the difficulty could've ramped up a bit faster and have some more challenging levels in the end as even the last few levels are quite straightforward after you grab the first few numbers.

I think the first few levels were good at teaching you how you should be thinking and how the game works.

Great job!

Developer(+1)

Thank you so much for playing and for the detailed feedback! I’m really glad you liked the effects and felt the early levels worked well as a tutorial. Your note on the difficulty ramp and the end-game challenge is super helpful—I’ll definitely take that into account for future level design. Thanks again for the great words!

Submitted(+1)

Fun puzzle. Satisfying levels. Not really hard. I was waiting for some thinking requirements, but most of the levels is kinda handing over the solution

Developer(+1)

Thank you for playing and taking the time to leave a review! I’m glad you enjoyed the overall gameplay and found the levels satisfying. Thank you also for the honest feedback regarding the difficulty. I’ll definitely keep that in mind to design more challenging puzzles in the future!

Developer

Dev here — thanks for stopping by!

Quick notes: it’s keyboard-only and runs in the browser. Ten stages, about 15 minutes. Z undoes any move, so feel free to experiment — nothing is ever lost.

Two things I’d love feedback on: did the first stage teach you the rule without you having to think about it? And did the difficulty ramp feel right, or did it jump too hard once gunpowder tiles show up?

If you leave a link to your entry, I’ll play it :)

(+1)

A satisfying little puzzle game with lovely visuals :)

Developer

Thank you! That means a lot — especially about the visuals, since the game doesn’t contain a single image file. Every shape, tile and firework is drawn in code at runtime. Really glad the puzzles landed :)