Rotundus
Rotundus is a submission for vtuber Amiya Aranha's 2025 Bucko Game Jam!
For the best experience, keep browser zoom at 100%. It is intended to run at 720 x 960 resolution. A first time player can expect to spend about 30 minutes playing it through.

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Amiya Aranha, symbiotic spider mom to her buckos, has been missing for some time. The old buckos tell stories of her being stolen from them one night, with little a clue to go by. The buckos, running on emergency amitoxin stores, worked for years to collect resources and knowledge to develop the science and tech needed to locate and recover her, but the amitoxin has run dry. An alternative, oneirium, was discovered from the harvesting of bucko dream energy, though as a derivative substance, it alone is not enough to sustain the population. With nothing left, the buckos face a gradual withering away.
Take on the role of Rotundus, a bucko of exceedingly rotund size and shape, nurtured and hatched from a bucko egg bathed in the last of the remaining amitoxin. The buckos equip and train Rotundus to operate the oneirium powered devices and machinery designed for use in her recovery from an identified location in space. Travel to the Brined Planet Research Facility, recover Ami, and bring her home. Save Ami, her buckos, and the mutual appreciation and love shared among them. You are their last hope.
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Credits
Free and Bought Art and Assets Used (many edited)
- Amiya Aranha ( itch | youtube | twitter )
- Some originals by me
- Skorpio
- Deakcor
- bdragon1727
- ragnapixel
- Foozle
- penzilla
- Blood-Seller
- littlesmith
- Nakino Gasai
- toffeecraft
- deep-fold
Music
- Amiya Aranha ( itch | youtube | twitter )
- Some arrangement by me
- shimtone
- FLASH BEAT
- Chad Shramek
Sound Effects
Software Tools
- Godot Game Engine v4.4
- Aseprite
- Gimp
- Lovely Composer
- Audacity
Play Testers
- Madson
- Duen Light
- C3
- Vynil
- CommandThrow
- steer
| Status | Released |
| Platforms | HTML5, Windows |
| Rating | Rated 5.0 out of 5 stars (2 total ratings) |
| Author | Lazm |
| Genre | Shooter |
| Made with | Godot |
| Tags | 2D, amiya-aranha, amiyaaranha, buckojam, buckojam2025, My First Game Jam, Pixel Art |
Download
Install instructions
The executable for windows is not signed. It can only be run with anti-virus or other threat alerts off. Download and execute at your own risk.
Development log
- Rotundus v1.1Aug 03, 2025



Comments
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What an epic! All the lore and references are super cool and the emotional impact was insane. I can feel the heart in this. I cried when Ami played it on stream and again when I played it. Wonderful submission!
Thanks. It means a lot. I was worried I was getting too heavy for a gamejam entry, especially one I was really trying to keep to around 30 minutes. I just wanted to fit as much as I could in 30 min. I'm really glad it was well-received.
Very impressive game, especially for being made in a limited time! The art and story goes hard, really draws you in!
Thank you for enjoying it! I'm glad I could contribute.
My appreciation for this games grows every time I play it! It is filled with lots of tasty choices, either artistic or by the story being told.
Very well made!!
Thank you, Mads, and thank you for helping test it, and letting me bounce ideas off you. You were a big help.
It was a pleasure to hack your game >.<
This is really a work of love. I find it difficult to write more without spoiling anything, so maybe I'll go into more detail after Ami has played it.
I appreciate your saying that. I'm glad it was received well!
Very well done. What a touching narrative.
Thanks. I was worried it was too much too fast, but I wanted to fit as much as I could in a short amount of time. I'm glad you liked it.