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gbdev.io

@gbdev.io

Home of the Game Boy (Advance) homebrew development scene. We're working on (open) development tools, documentation and digital preservation. https://gbdev.io https://gbadev.net

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19.11.2023
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Latest posts by gbdev.io @gbdev.io

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Iโ€™m diving back into my original game jam submission from last year The Green Knight. This is my updated intro sequence. I loved working on it, and with some extra time I think I can really level it up. @gbdev.io @gbstudio.dev @gbstudiocentral.com

01.03.2026 16:51 ๐Ÿ‘ 13 ๐Ÿ” 4 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

yo @isofrieze.com just wanted to say thanks for @rgmechex.com your videos are extremely cool and informative. After watching for a few years I finally motivated myself to dive into the @gbdev.io tutorials and docs and pick up some assembly knowledge in Oct 2025.
Now I'm making a GBC homebrew game :)

30.01.2026 17:02 ๐Ÿ‘ 6 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Advanced Interrupt Handling in Rust for the Game Boy Advance | Robin Grรถnberg The Game Boy Advance (GBA) is a beloved handheld console with a unique hardware architecture that demands careful management of interrupts for tasks like ren...

Advanced Interrupt Handling in Rust for the Game Boy Advance

robingronberg.se/2026/01/06/g...

28.01.2026 19:48 ๐Ÿ‘ 5 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
a screenshot of a pixel art game which shows the main character talking to a mole next to a campfire in a cave; the mole is saying "BTW, the other tunnels are pretty dark if you don't carry a light."

a screenshot of a pixel art game which shows the main character talking to a mole next to a campfire in a cave; the mole is saying "BTW, the other tunnels are pretty dark if you don't carry a light."

Happy #ScreenshotSaturday! This Molefolk in #TaiFab 2 has a friendly warning for you. You'll have to solve some #nonogram puzzles to find a light! ๐Ÿ•ฏ๏ธ

Taiyaki Fabulous Test Kitchen is coming this year! ๐Ÿด

#PixelArt #ใƒ‰ใƒƒใƒˆ็ตต #GBDev #GBStudio #GBC #IndieDev #GameDev #homebrew

10.01.2026 14:08 ๐Ÿ‘ 46 ๐Ÿ” 10 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Image of the GBDK-2020 project name in pixel font with a drop shadow and a orange and purple background

Image of the GBDK-2020 project name in pixel font with a drop shadow and a orange and purple background

#GBDK 2020 v4.5.0 is out!
- HRAM allocation + example
- SRAM Bank new # pragma_dataseg
- zx0 compression
- png2asset fixes and features
- Many other fixes & features

New examples!
- MBC5 Rumble
- SNES NMI handler
- #MegaDuck Printer

github.com/gbdk-2020/gb...
#gbdev #smsdev #nesdev

28.12.2025 03:18 ๐Ÿ‘ 16 ๐Ÿ” 10 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Merry Christmas! GB BASIC v1.5 is now live! Featuring a kernel customization, new Scroll Shooting kit, added tutorials, and more. Come and explore!
#gbbasic #gameboy #gbdev #gamedev #indiedev

26.12.2025 07:19 ๐Ÿ‘ 23 ๐Ÿ” 10 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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With the new Scroll Shooting kernel, GB BASIC now supports creating shooter games! tonywang.itch.io/gbb-scroll-s...
#gbbasic #gameboy #gamedev #indiedev #gbdev #screenshotsaturday

26.12.2025 07:25 ๐Ÿ‘ 20 ๐Ÿ” 9 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Lightseeker mixed with #vermis style!

Preorder Lightseeker here! - linkly.link/2R0U7

#gameboy #retro #homebrew #gbcompo #gbstudio #darksouls

09.12.2025 10:19 ๐Ÿ‘ 36 ๐Ÿ” 8 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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What a nice surprise! ๐Ÿ˜ฎ

Yesterday, the winners of the #gbcompo25 in the categories tools and music were announced. My entry won the best music award ๐Ÿ˜

Thanks so much!!! ๐Ÿงก๐Ÿงก๐Ÿงก

#gameboy #gameboycolor #gbc #gbdev #gbstudio #8bitmusic #gamemusic #gbcompo

24.12.2025 13:35 ๐Ÿ‘ 15 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
LIGHTSEEKER THE BEGINNING
LIGHTSEEKER THE BEGINNING YouTube video by ZaniPixels

Made a small video about the beginning of lightseeker and its inspirations.

linkly.link/2L8D5 - You can play the DEMO here!
linkly.link/2R0U7 - Preorder Lightseeker physical version here!
www.patreon.com/c/ZaniPixels - Help me create more games here!

#gameboy #retro #homebrew #darksouls #gbcompo

27.11.2025 16:23 ๐Ÿ‘ 8 ๐Ÿ” 4 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Ranked 10th !! What now ? The final ranking of the GBCompo25 landed and The Sweeping Wizard got the 10th place !!! A big thank you to the GBCompo jury and GB community . This is really awesome for us, the game was just a fun p...

The Sweeping Wizard - a game for the #GameBoy - is now in development !
#GB #GBCompo25 #gbdk #homebrew #gbdev #retro

28.11.2025 21:15 ๐Ÿ‘ 8 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Tamaboy DS tamaboy is a Tamagotchi v1 emulator for Nintendo DS/DSi/3DS based on TamaLIB. This is a port of Jeffrey Aylesworth's tamaboy for GBA.

Tamaboy -- #Tamagotchi emulator for #GameBoyAdvance and #NintendoDS

www.gamebrew.org/wiki/Tamaboy...

#retrodev #emudev #emulation #retrogaming #gbdev #gbadev #ndsdev

28.11.2025 18:49 ๐Ÿ‘ 9 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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GB BASIC v1.4 is out now๐Ÿš€This release adds key features, QOL improvements, and bug fixes:
๐Ÿ”นSGB support
๐Ÿ”นOne-click preview for maps, scenes & actors
๐Ÿ”นMemory statements can get asset banks/addresses
๐Ÿ”นNew tutorials chapters
#gbbasic #gameboy #gbdev #gamedev #indiedev

28.11.2025 09:57 ๐Ÿ‘ 16 ๐Ÿ” 7 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

The Sweeping Wizard is ranked 10th at GBCompo25 ! We are so happy! Let's prepare some announcement about the futur of this game...

26.11.2025 14:49 ๐Ÿ‘ 5 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1
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Third place + Development trivia + future plans If you haven't heard, Potion Panic placed third overall in GB Compo 2025! I thought I'd take this opportunity to share some random development trivia about the game, as well as some of my future plans...

Here's a quick postmortem/update: deved.itch.io/potion-panic...

24.11.2025 17:40 ๐Ÿ‘ 8 ๐Ÿ” 4 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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GB Compo 2025 Join us for an epic game development event celebrating the classics! Show off your creativity and skills by crafting original games for the iconic Game Boy!

The final leaderboard of the 'Game' category of #gbcompo25 was just published. Congratulations to OrmBlok, Fortune & Glory, Potion Panic, DropBlox! and Game of Life Kuzushi for winning the 'Best Games' awards!

gbdev.io/gbcompo25.ht...

24.11.2025 14:47 ๐Ÿ‘ 35 ๐Ÿ” 15 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 5

I just played through this little #Gameboy #homebrew platformer:

"Raven Star"
developed by @josephdev.bsky.social

You play as a young Raven, born without wings,
exiled by his people,
seeking a wish-granting star to get their wings

#indie #indiedev #gaming #retro #GBC #gamedev #retrogaming #GBDev

10.11.2025 04:09 ๐Ÿ‘ 23 ๐Ÿ” 7 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
GBA Ridge Racer tech demo
GBA Ridge Racer tech demo YouTube video by Gustavo Valiente

#GBA Ridge Racer tech demo by Gustavo Valiente

#retrodev #gbadev #gbdev #gameboy #retrogaming #programming #gamedev

07.11.2025 20:56 ๐Ÿ‘ 42 ๐Ÿ” 20 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 2
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Release v1.0.0 ยท gbdev/rgbds Happy Halloween! ๐ŸŽƒ We've finally hit a big milestone: the first major version increment, from 0.x to 1.0.0! ๐Ÿฅณ From now on RGBDS will adhere to semantic versioning ("semver"), meaning that you can r...

RGBDS 1.0.0 was released! ๐Ÿฅณ

(and from now on, RGBDS will adhere to semantic versioning)

github.com/gbdev/rgbds/...

14.11.2025 18:56 ๐Ÿ‘ 23 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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The Mission View window is pretty much done! I made some low level changes to unit missions where I'll be tracking them on "units lost" versus "current HP" over "max HP" which will undoubtedly break the Repair Bay.

#gamedev #pixelart #retro #indiedev #gbdev #nintendo #rgbds #rts #screenshotsaturday

24.10.2025 22:07 ๐Ÿ‘ 24 ๐Ÿ” 6 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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#justbeatit Mount Crymore

#gbcompo25 game which is quite a new concept. Its a platformer where you stick to climbing grips instead of standing on platforms. Avoid the one hit kill hits the environment or the animals give you. Did an all diamonds and a zero death run.

@polykillpodcast.bsky.social

28.10.2025 10:28 ๐Ÿ‘ 8 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Tutorials Chapter VIII "Scene and Object System" is now complete. This chapter contains key information on how to use features such as Scene, Trigger, Actor, Projectile, Emote, and Palette in GB BASIC. Check it out: paladin-t.github.io/kits/gbb/lea...
#gbdev #gbbasic #gameboy #gamedev

28.10.2025 07:01 ๐Ÿ‘ 13 ๐Ÿ” 6 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Andddd..... Here it is.

Den Of Snakes Four Player, a family of public domain pixel fonts.

Free download at:
bbbbbr.itch.io/den-of-snake...
#font #gameboy #pixelart #pixelfont

26.10.2025 10:41 ๐Ÿ‘ 43 ๐Ÿ” 11 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Lost Game Boy RPG Infinity Due December 22nd; Pre-Orders Available Now | RPGFan Incube8 Games has announced that retro tactics RPG Infinity is now up for pre-order in both physical and digital editions, with an expected launch date of

Infinity is featured in RPGfan!
www.rpgfan.com/2025/10/21/t...

23.10.2025 16:09 ๐Ÿ‘ 11 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Making progress! The Active Missions window will display a summary of each mission with the mission's remaining unit count, experienced weather, current position and destination. You can then drill down each mission summary.

#gamedev #pixelart #retro #indiedev #gbdev #nintendo #rgbds #rts #gameboy

20.10.2025 19:54 ๐Ÿ‘ 16 ๐Ÿ” 4 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Grimoire Rush by Gerardodce In this DEMO you can play through 4 puzzle-packed levels and get a taste of whatโ€™s to come!

Hi Everyone Iยดm new here and just dropping the link to my entry for the GB Compo 2025โ€ฆ an exciting puzzle game. The game is currently only at a DEMO stage, but I want to turn this into a physical release for the GBC.

#gbcompo25 #gbcompo

gerardodce.itch.io/grimoire-rush

06.10.2025 17:33 ๐Ÿ‘ 9 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
10 Games That Pushed The Game Boy To It's Limit!
10 Games That Pushed The Game Boy To It's Limit! YouTube video by RetroBreak

New video!

10 Games That Pushed The Game Boy To It's Limit!
youtu.be/9N1pa5y8xHI

17.10.2025 15:09 ๐Ÿ‘ 8 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Zoryad by allalonegamez A New Metroidvania for The GameBoy

I just updated my free #Metroidvania for the #gameboy Color. The full game is also playable in your browser. It was made with #gbstudio for the #gbcompo25. You can find the ROM download link below. allalonegamez.itch.io/zoryad

17.10.2025 01:46 ๐Ÿ‘ 41 ๐Ÿ” 8 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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GBRetroDev'25: Heroes of ASM 2 A game jam from 2025-10-14 to 2025-11-14 hosted by Profesor Retroman, Jsala, Alimaรฑa Picacรณdigos & solsolet. #GBRetroDev'25 Heroes of Assembly 2 2nd International Gameboy Game Creation Contest at the ...

ยกYa puedes participar en #GBRetroDev'25! ยกEntregas abiertas!

๐Ÿ—“๏ธ Hasta 31/octubre/2025
๐Ÿ† 200โ‚ฌ en premios

ยกAfina tus juegos de #GameBoy clรกsica (DMG-1) en ensamblador y รบnete!

itch.io/jam/gbretrod...

#Games #GameDev #IndieDev #Asm #Contest @ua.es @retrovirtualmachine.org @mojontwins.bsky.social

18.10.2025 09:22 ๐Ÿ‘ 25 ๐Ÿ” 18 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 3
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Gamedev can be stressful and learning lessons the hard way can sting!
Here's 10 lessons Raรบl Rosso learnt on his project to give you some guidance. ๐Ÿ—บ๏ธ
gbstudiocentral.com/tips/ten-les...
#gameboy #gbstudio #gamedev

22.09.2025 15:38 ๐Ÿ‘ 27 ๐Ÿ” 5 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1