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Ryv

@fatbat.studio
115 followers 62 following 78 posts

Software Engineer 💻 Illustrator 🎨 Hobbyist #gamedev 🎮 Working on #EIDOLWARE - eidolware.com, an upcoming satirical cyberpunk anime convention action-RPG in my spare time. fatbat.studio

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Ryv @fatbat.studio · 4h
Heard a taste of the #EIDOLWARE main theme by @debiscomusic.com in our title screen video? Here's the full track! youtu.be/C6VLiHnQ0ic The visualizer is based on the game's real UI (more on that soon). New songs from the game to come every week! #gamedev #indiegames #indiedev #music
youtu.be
EIDOLWARE OST: EIDOLWARE (Main Theme) by DeBisco
YouTube video by FATBAT Studio
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Reposted by Ryv
DeBisco @debiscomusic.com · 16h
I'm beyond thrilled to share the main theme I composed for @fatbat.studio's forthcoming indie RPG, EIDOLWARE! Ryv and I have been heads down working on the game's soundtrack, and we can hardly wait for everyone to experience FedoraCon for themselves 👀
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Ryv @fatbat.studio · 16h
New title screen for the September 2026 build of #EIDOLWARE: youtu.be/dyLwsNbd6X4 Music by our composer @debiscomusic.com #gamedev #indiedev #indiegames
youtu.be
EIDOLWARE Title Screen - September 2026
YouTube video by FATBAT Studio
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Ryv @fatbat.studio · 19/08/2026
Since the pack is 100% no AI, that is fair and I respect that. I’ll pull my request to keep the pack’s integrity. My post did note debug use (flagging errors, not generating code) which I see as one of the few ethical uses. Still hope folks check out the game as we protect creative rights from AI.
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Ryv @fatbat.studio · 18/08/2026
Hi, please add us @fatbat.studio We don't use gen AI in our game (and our game actually makes fun of it): eidolware.com I've written a devlog about this where we draw the line on the technology and that it won't be used for the game: eidolware.com/blog/where-w...
eidolware.com
EIDOLWARE
Infiltrate a 24/7 anime convention powered by holograms, runaway AI, and a cast of eccentric characters in this satirical cyberpunk action-RPG
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Ryv @fatbat.studio · 10/08/2026
New #EIDOLWARE devlog: I designed an elite enemy that was great on paper and awful to actually fight. Fixing the Emberjack taught me what my combat system is for. eidolware.com/blog/solving... #gamedev #indiedev #pixelart
eidolware.com
Solving for Combat & The Emberjack Dilemma
An enemy that looked perfect on paper turned out to be miserable to fight. Fixing it meant figuring out what EIDOLWARE's combat is actually for.
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Ryv @fatbat.studio · 09/08/2026
SURVIVE encounters are placed between traditional exploration zones and fine-tuned boss rooms. They're meant to be a high-pressure capstone that blends together enemy encounters and mechanics the player has experienced before it. They're not the baseline, but add tension points to the game.
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Ryv @fatbat.studio · 09/08/2026
Combat blog post coming tomorrow, but here's a full video demo of one of the "SURVIVE" combat areas in #EIDOLWARE: www.youtube.com/watch?v=oaV2... #gamedev #screenshotsaturday #indiegames #gameplay
youtube.com
EIDOLWARE - Survive Alpha Gameplay - 8/8/26
YouTube video by FATBAT Studio
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Ryv @fatbat.studio · 01/08/2026
A small preview of our #EIDOLWARE combat update coming next week: #screenshotsaturday #gamedev #indiegames
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Ryv @fatbat.studio · 30/07/2026
For some reason Bluesky doesn't loop the GIF properly 😭
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Ryv @fatbat.studio · 30/07/2026
We'll be sharing new combat gameplay next week as well as a blog post about #EIDOLWARE 's combat system! It'll be a big leap compared to past alpha footage. In the meantime, enjoy this animation of Susie doing her signature combat move, the "Clothesline". #gamedev #indiegames #pixelart
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Ryv @fatbat.studio · 30/07/2026
It's a combination of shared systematic behaviors across all enemies and then unique scripted behaviors and tweaks for individual enemies. This allows for using the environment and/or other enemies to set off chain reactions to defat them. More details come in our announcement next week.
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Ryv @fatbat.studio · 30/07/2026
Nothing to be nervous about, we're confident that players will pick things up quickly. I don't want to reveal too much until the announcement, but enemies interact with the environment and with each other in ways that aren't just "more of them" like in a lot of bullet heaven games.
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Ryv @fatbat.studio · 30/07/2026
EIDOLWARE will have a dev update in a few days with new combat footage and a blog post on this. Parts of the game are influenced by that genre and we're introducing mechanics that are new in relation to combat design AFAIK. Another thing that's different is that it's an action-RPG, not a roguelike.
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Ryv @fatbat.studio · 12/07/2026
Been working on this #EIDOLWARE sprite for a bit, the "Hot Dog King" mascot! More info in the alt text. #screenshotsaturday #pixelart #gamedev #indiegames
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Ryv @fatbat.studio · 07/07/2026
The gang's all here! #EIDOLWARE #art #ocart #gamedev #indiegames
Full principal cast of the video game, EIDOLWARE.

From left to right: Susie, Anna, Bea, May, J-Woo, Fedora Mask, and Jared.
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Ryv @fatbat.studio · 02/07/2026
The final #EIDOLWARE principal character #art is done! Believing that four vinyl figures called Chiibos hold an ancient druidic power, Jared Jimenez is on the hunt for them on his path to becoming the "ultimate" collector. Read more here: eidolware.com/characters/ #gamedev #indiegames
Artwork of Jared Jimenez, one of the antagonists of the video game EIDOLWARE.

Jared Jimenez is a collector who has dedicated himself to amassing rare Chiibos, vinyl collectible figures that have taken the convention world by storm. At FedoraCon's Exhibition Floor, he manages his meticulously organized collection, cataloging every figure's production run, special variants, and value. His ultimate goal: to become the "Ultimate" Collector.

But Jared's true obsession lies with four sacred Chiibos that he believes were blessed with the magic of ancient druids. While others see mass-produced vinyl collectibles, Jared sees artifacts of immense power. He's convinced that uniting all four will grant their wielder unlimited strength, and he'll stop at nothing to complete his collection.
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Ryv @fatbat.studio · 01/07/2026
We've been heads-down on the game, but the #EIDOLWARE site is finally updated with our principal #voiceacting cast! Individual actor intros come when our Steam page is ready. For now, hit the characters and about pages to hear their lines and read more: eidolware.com/characters/ #gamedev #indiegames
eidolware.com
Characters - EIDOLWARE
Meet the characters of EIDOLWARE
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Ryv @fatbat.studio · 18/05/2026
Another quick #EIDOLWARE #voiceacting casting update: We've started to reach out to our top candidates for May Melody and will schedule interviews. Next week we will do the same for J-Woo candidates. Looking forward to talk to our top contenders for the last two roles! #gamedev #indiegames
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Ryv @fatbat.studio · 05/05/2026
Quick #EIDOLWARE #voiceacting casting update: We have casted VAs for the roles of Bea and Susie and will begin reviewing all candidates for May and J-Woo. Once we have our top candidates, we will reach out for interviews. Full announcement on the full cast by end of May! #gamedev #indiegames
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Ryv @fatbat.studio · 23/04/2026
🧵(3/3) Whether you were a top contender, shortlisted, or didn't make this round, please keep an eye out for our future casting calls. EIDOLWARE has a lot of characters and a lot of opportunities ahead. Thank you for showing up for this project. ❤️
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Ryv @fatbat.studio · 23/04/2026
🧵(2/3) We aim to have all seven principal roles signed by the end of May, with a public cast announcement to follow. Reminder: every finalist across every role goes on our first-call list for side characters and NPCs as development continues. More casting calls will open throughout development.
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Ryv @fatbat.studio · 23/04/2026
🧵(1/3) Attention all FedoraCon guests! Quick #voiceacting casting update for #EIDOLWARE. Anna and Fedora Mask are cast. 🎭 Interviews this week and next for Susie and Bea finalists, with selections shortly after. May and J-Woo interviews follow. #indiegames #gamedev
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Ryv @fatbat.studio · 22/04/2026
"Fedora Mask! Paladin, Level 20! Charisma, courage, strength… rugged good looks!" 🙄 New character #art for Fedora Mask, the main antagonist of #EIDOLWARE. Creator of the first (literally) underground 24-hour anime convention, FedoraCon, he hopes to "make anime our reality". #gamedev #indiegames
Fedora Mask, a crypto-billionaire, decided to spend his wealth creating the first permanent 24-hour underground anime convention to bring his dreams to reality. Powered by his patented Hard-Holo technology, he envisions a world where anyone can make their fantasies come true.

With seemingly limitless resources and powerful allies at his side, Fedora Mask strives to make anime a reality. Theatrical and grandiose in everything he does, he works tirelessly on his newest project that promises to change fandom forever.
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Ryv @fatbat.studio · 20/04/2026
Reposting to lay out a hint what it’s for 😉
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Ryv @fatbat.studio · 18/04/2026
🧵 (2/2) I want to repeat that anyone who made it to the final rounds but did not get selected for a role will be on our immediate call list for any supplemental roles and will still be involved with the game. We hate to see wonderful talent wasted. We'll keep you posted!
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Ryv @fatbat.studio · 18/04/2026
🧵(1/2) #voiceacting auditions for #EIDOLWARE are now closed on Casting Call Club! Our final stats: 🗣️ 1503 Submissions 👀 ✅ 839 Followers We're in the middle of interviews with top picks and will announce our VA cast in a few weeks once we finish and contracts have been signed. #gamedev #indiegames
The final stats from Casting Call Club:
* 1503 submissions
* 839 followers
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Ryv @fatbat.studio · 14/04/2026
Hi #PortfolioDay! I'm Ryv, the founder of FATBAT Studio, working on programming, story and #art for my upcoming video game, EIDOLWARE, a satirical cyberpunk anime convention action-RPG. (I'm not looking for work, I just wanted to show off my art 😅) Read more @ eidolware.com #gamedev #indiegames
Dr.Morgan and Anna Lam in the pastBea Beatrix, one of the antagonists of EIDOLWAREJ-Woo, former K-Pop star of the group 3NIX and one of the antagonists of EIDOLWAREAnna Lam, a former AI engineer and the playable main character of EIDOLWARE
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Ryv @fatbat.studio · 12/04/2026
WIP new #EIDOLWARE character #art, the main antagonist of FedoraCon himself: Fedora Mask! Now on to shading, coloring, lighting, and rendering😵‍💫 #gamedev #indiegames
The finished inks for a work in progress character art of Fedora Mask, the main antagonist of the video game EIDOLWARE. Surrounded by roses and the symbol of his personal cryptocurrency, "Otakoin".

Character Bio:
Fedora Mask is a crypto-billionaire who became wealthy through early investments in cryptocurrency. He founded FedoraCon, the world's first permanent 24-hour underground anime convention, powered by his patented Hard-Holo technology that allows attendees to live out their anime fantasies. The convention runs on Otakoin, his proprietary cryptocurrency tied to combat challenges. He sees himself as a visionary bringing anime to reality, speaking in grandiose D&D-style language and treating the convention as his kingdom.
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Ryv @fatbat.studio · 10/04/2026
🧵(3/3) For those don't get selected after our final announcements, we will notify those we want to stay in touch with. This is the 1st casting round for our main characters. There are further roles to fill for our game and I'd hate to see talent wasted. Make sure to follow for latest updates!
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Ryv @fatbat.studio · 10/04/2026
🧵(2/3) There are many wonderful & talented people that this has been a difficult process and we're splitting hairs. The response has been incredible and honestly humbling. I would love to work with almost everyone if we had unlimited resources.
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Ryv @fatbat.studio · 10/04/2026
🧵(1/3) We are now over 1000 #voiceacting auditions for #EIDOLWARE! Casting will close in 8 days, next Saturday 4/18. What's next: We are working on narrowing down to 5 candidates per role. We will then coordinate with the finalists after closing to schedule script readings. #gamedev #indiegames
On Casting Call Club, we have 1003 submissions and 605 followers for EIDOLWARE! Amazing!
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Ryv @fatbat.studio · 10/04/2026
Regarding your project, you likely have to show more for actors to be able to better imagine the roles they're auditioning for. Specific bios about a character's background and what their motivations are. I am not an expert because this is our first time casting, but this is my educated guess.
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Ryv @fatbat.studio · 10/04/2026
Hi Juan, we likely got a lot of auditions due to being a paid project ($150/hr) as well as a lot of details on our game (website, comprehensive bios with character art) and folks vibed with the characters. The more you show your project is viable the more likely they'll want to participate.
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Ryv @fatbat.studio · 07/04/2026
We have a Newgrounds page! Feel free to follow us there: fatbatstudio.newgrounds.com I'll be reposting previous art and new art as well there (aside from here on BlueSky). #EIDOLWARE #gamedev #indiegames
fatbatstudio.newgrounds.com
fatbatstudio - newgrounds.com
Artist and Gamedev working on eidolware.com, an upcoming satirical cyberpunk anime convention action-RPG in my spare time.
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Ryv @fatbat.studio · 07/04/2026
NEW #EIDOLWARE BLOG POST, "Where We Draw the Line on AI": eidolware.com/blog/where-w... I moved this up to be the 2nd blog post because I feel it’s important to address this early. I detail how we prevent corrupting the craft and artistry of the game & protect those involved. #gamedev #indiegames
eidolware.com
Where We Draw the Line on AI
EIDOLWARE satirizes AI culture, so where does it stand on using AI in its own development? Here's where I draw the line.
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Ryv @fatbat.studio · 04/04/2026
Posted our first #EIDOLWARE OST visualizer up on YouTube. "ANIME IS REAL!" by @debiscomusic.com is the Exhibition Hall theme, the track that plays when you first step onto the game's convention floor. More music and game updates coming soon! www.youtube.com/watch?v=j4nD... #gamedev #indiegames
youtube.com
EIDOLWARE OST: ANIME IS REAL! (Exhibition Hall) by DeBisco
YouTube video by FATBAT Studio
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Ryv @fatbat.studio · 01/04/2026
582 #voiceacting auditions, 380 followers and counting! I'm still shocked how many folks have been interested in working with us for our game. Reminder: the Fedora Mask role is closed and the Anna role closes next Monday, April 6th! Submit here: www.castingcall.club/projects/eid... #gamedev
582 voice acting submissions and 380 followers on Casting Call Club for #EIDOLWARE!
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Ryv @fatbat.studio · 27/03/2026
I've been reviewing the #voiceacting auditions we have for #EIDOLWARE so far (324 submissions!) and there are many amazing VAs from indie to pro. It opened my eyes to the depth of talent available. Knowing what's out there, it's hard to imagine why any #gamedev would resort to AI instead.
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Ryv @fatbat.studio · 25/03/2026
Attention all FedoraCon guests! Due to the amazing number of submissions (100+), #voiceacting auditions for Fedora Mask will close on 3/28/26. If you haven't auditioned, then please do so soon! Good luck to everyone! www.castingcall.club/projects/eid... #EIDOLWARE #gamedev #indiegames #spotlight
castingcall.club
https://images.castingcall.club/project_images/image-1226792-eidolware_itch_cover_v3.jpg
Eidolware. <p>Casting for an upcoming indie game, EIDOLWARE by FATBAT Studio.</p><p>Created by Ryv.</p><p></p><...
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Ryv @fatbat.studio · 25/03/2026
#voiceacting submissions are still open until 4/18, but with this many auditions we might close the roles by the end of this or next week. We'll give ahead notice by a few days before we decide on that tough. A lot of amazing talent heard so far! Apply here: www.castingcall.club/projects/eid...
castingcall.club
https://images.castingcall.club/project_images/image-1226792-eidolware_itch_cover_v3.jpg
Eidolware. <p>Casting for an upcoming indie game, EIDOLWARE by FATBAT Studio.</p><p>Created by Ryv.</p><p></p><...
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Ryv @fatbat.studio · 25/03/2026
It's the end of DAY 1 since our #voiceacting post for #EIDOLWARE on Casting Call Club and it's been wild: 🗣️186 Submissions across 6 Roles ✅133 Followers 🔟Hovering in the 1-10 spot for paid VA roles sorted by Activity People are hyped about the premise and it's been validating! #gamedev #indiegames
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Reposted by Ryv
DeBisco @debiscomusic.com · 24/03/2026
Bat's out of the bag 🦇 Thrilled to announce that I'm the lead composer for @fatbat.studio's forthcoming cyberpunk anime convention action-RPG, EIDOLWARE! FedoraCon awaits... eidolware.com
eidolware.com
EIDOLWARE
Infiltrate a 24/7 anime convention powered by holograms, AI, and a cast of eccentric characters in this satirical cyberpunk action-RPG
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Reposted by Ryv
Deft Beck @deftbeck.bsky.social · 24/03/2026
Glad to be part of this project! It's so exciting hearing everyone's auditions, and there's some steep competition already!
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Ryv @fatbat.studio · 24/03/2026
Also we are accepting character #voiceacting auditions outside of using Casting Call, so please get in touch with @deftbeck.bsky.social for more details. We will finalize and select our candidates next month, on April 18th!
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Ryv @fatbat.studio · 24/03/2026
The #EIDOLWARE team is growing! @deftbeck.bsky.social joining as casting & voice director, @debiscomusic.com on music. Couldn't be more excited! We started casting for VA: 73 auditions so far, still looking for our female leads! castingcall.club/projects/eidolware #gamedev #indiegames #voiceacting
castingcall.club
https://images.castingcall.club/project_images/image-1226792-eidolware_itch_cover_v3.jpg
Eidolware. <p>Casting for an upcoming indie game, EIDOLWARE by FATBAT Studio.</p><p>Created by Ryv.</p><p></p><...
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Ryv @fatbat.studio · 21/02/2026
SpriteBat is free and open-source under GPL-3.0. Feedback and PRs are welcome, I'm actively adding features as my own game development needs evolve. Source: github.com/fatbatstudio/spritebat
github.com
GitHub - fatbatstudio/spritebat: Browser-based sprite sheet compositor for layering, tinting, and combining 2D game animation assets into unified sprite sheets.
Browser-based sprite sheet compositor for layering, tinting, and combining 2D game animation assets into unified sprite sheets. - fatbatstudio/spritebat
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Ryv @fatbat.studio · 21/02/2026
Since #EIDOLWARE contains hundreds of NPCs, I needed a quicker way to build sprites or separate parts out into individual assets. Doing it by hand in an sprite editor for dozens of characters was painfully slow. SpriteBat lets me layer them, tweak colors with HSL shifting, and export in seconds!
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Ryv @fatbat.studio · 21/02/2026
🦇 I built a free tool for 2D game artists! SpriteBat - layer, tint, and combine sprite sheets into unified output. Asset splitter, library, animated preview, PNG/GIF export. Works offline! Free & open-source 🔗 spritebat.fatbat.studio #gamedev #indiedev #indiegames #spotlight
spritebat.fatbat.studio
SpriteBat — Sprite Sheet Compositor
Browser-based sprite sheet compositor for layering, tinting, and combining 2D game animation assets.
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Ryv @fatbat.studio · 06/02/2026
The new #EIDOLWARE game website is now live! A lot of work went into this. I've also written the first Devlog on the origins of the project (back in 2015 as a graphic novel), which you can read here: eidolware.com/blog/robot-d... More updates to come! #gamedev #indiedev #indiegames #spotlight
Screenshot of the new EIDOLWARE website, with a (hopefully bi-monthly) Devlog!
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