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
Pinned
Chromatic + Tetris Bundle
Chromatic is the ultimate cartridge console for people who simply want to game. No downloads, no logins, no interruptions–just plug in a cartridge and start playing. It’s gaming the way it used to ...
modretro.com
Alright, we've announced our shortlist, now it's YOUR turn!
Make sure you follow this account and reshare this post telling us what's your favourite contestant submitted to #gbcompo25 for a chance to win a Chromatic we and @modretro.bsky.social are giving away!
modretro.com/products/chr...
Make sure you follow this account and reshare this post telling us what's your favourite contestant submitted to #gbcompo25 for a chance to win a Chromatic we and @modretro.bsky.social are giving away!
modretro.com/products/chr...
Reposted by gbdev.io
Here's a quick postmortem/update: deved.itch.io/potion-panic...
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...
deved.itch.io
November 24, 2025 at 5:40 PM
Here's a quick postmortem/update: deved.itch.io/potion-panic...
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...
gbdev.io/gbcompo25.ht...
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!
gbdev.io
November 24, 2025 at 2:47 PM
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...
gbdev.io/gbcompo25.ht...
Reposted by gbdev.io
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
"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
November 10, 2025 at 4:09 AM
Reposted by gbdev.io
#GBA Ridge Racer tech demo by Gustavo Valiente
#retrodev #gbadev #gbdev #gameboy #retrogaming #programming #gamedev
#retrodev #gbadev #gbdev #gameboy #retrogaming #programming #gamedev
GBA Ridge Racer tech demo
YouTube video by Gustavo Valiente
www.youtube.com
November 7, 2025 at 8:56 PM
#GBA Ridge Racer tech demo by Gustavo Valiente
#retrodev #gbadev #gbdev #gameboy #retrogaming #programming #gamedev
#retrodev #gbadev #gbdev #gameboy #retrogaming #programming #gamedev
RGBDS 1.0.0 was released! 🥳
(and from now on, RGBDS will adhere to semantic versioning)
github.com/gbdev/rgbds/...
(and from now on, RGBDS will adhere to semantic versioning)
github.com/gbdev/rgbds/...
Release v1.0.0 · gbdev/rgbds
Happy Halloween! 🎃
We've finally hit a big milestone: the first major version increment, from 0.x to 1.0.0! 🥳
From now on RGBDS will adhere to semantic versioning ("semver"), meaning that you can r...
github.com
November 14, 2025 at 6:56 PM
RGBDS 1.0.0 was released! 🥳
(and from now on, RGBDS will adhere to semantic versioning)
github.com/gbdev/rgbds/...
(and from now on, RGBDS will adhere to semantic versioning)
github.com/gbdev/rgbds/...
Reposted by gbdev.io
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
#gamedev #pixelart #retro #indiedev #gbdev #nintendo #rgbds #rts #screenshotsaturday
October 24, 2025 at 10:07 PM
Reposted by gbdev.io
#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
#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
October 28, 2025 at 10:28 AM
#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
#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
Reposted by gbdev.io
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
#gbdev #gbbasic #gameboy #gamedev
October 28, 2025 at 7:01 AM
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
#gbdev #gbbasic #gameboy #gamedev
Reposted by gbdev.io
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
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
October 26, 2025 at 10:41 AM
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
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
Reposted by gbdev.io
Infinity is featured in RPGfan!
www.rpgfan.com/2025/10/21/t...
www.rpgfan.com/2025/10/21/t...
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
www.rpgfan.com
October 23, 2025 at 4:09 PM
Infinity is featured in RPGfan!
www.rpgfan.com/2025/10/21/t...
www.rpgfan.com/2025/10/21/t...
Reposted by gbdev.io
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
#gamedev #pixelart #retro #indiedev #gbdev #nintendo #rgbds #rts #gameboy
October 20, 2025 at 7:54 PM
Reposted by gbdev.io
Hi Everyone I´m new here and just dropping the link to my entry for the GB Compo 2025… 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
#gbcompo25 #gbcompo
gerardodce.itch.io/grimoire-rush
Grimoire Rush by Gerardodce
In this DEMO you can play through 4 puzzle-packed levels and get a taste of what’s to come!
gerardodce.itch.io
October 6, 2025 at 5:33 PM
Hi Everyone I´m new here and just dropping the link to my entry for the GB Compo 2025… 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
#gbcompo25 #gbcompo
gerardodce.itch.io/grimoire-rush
Reposted by gbdev.io
10 Games That Pushed The Game Boy To It's Limit!
YouTube video by RetroBreak
youtu.be
October 17, 2025 at 3:09 PM
Reposted by gbdev.io
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
Zoryad by allalonegamez
A New Metroidvania for The GameBoy
allalonegamez.itch.io
October 17, 2025 at 1:46 AM
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
Reposted by gbdev.io
¡Ya puedes participar en #GBRetroDev'25! ¡Entregas abiertas!
🗓️ Hasta 31/octubre/2025
🏆 200€ en premios
¡Afina tus juegos de #GameBoy clásica (DMG-1) en ensamblador y únete!
itch.io/jam/gbretrod...
#Games #GameDev #IndieDev #Asm #Contest @ua.es @retrovirtualmachine.org @mojontwins.bsky.social
🗓️ Hasta 31/octubre/2025
🏆 200€ en premios
¡Afina tus juegos de #GameBoy clásica (DMG-1) en ensamblador y únete!
itch.io/jam/gbretrod...
#Games #GameDev #IndieDev #Asm #Contest @ua.es @retrovirtualmachine.org @mojontwins.bsky.social
GBRetroDev'25: Heroes of ASM 2
A game jam from 2025-10-14 to 2025-11-14 hosted by Profesor Retroman, Jsala, Alimaña Picacódigos & solsolet. #GBRetroDev'25 Heroes of Assembly 2 2nd International Gameboy Game Creation Contest at the ...
itch.io
October 18, 2025 at 9:22 AM
¡Ya puedes participar en #GBRetroDev'25! ¡Entregas abiertas!
🗓️ Hasta 31/octubre/2025
🏆 200€ en premios
¡Afina tus juegos de #GameBoy clásica (DMG-1) en ensamblador y únete!
itch.io/jam/gbretrod...
#Games #GameDev #IndieDev #Asm #Contest @ua.es @retrovirtualmachine.org @mojontwins.bsky.social
🗓️ Hasta 31/octubre/2025
🏆 200€ en premios
¡Afina tus juegos de #GameBoy clásica (DMG-1) en ensamblador y únete!
itch.io/jam/gbretrod...
#Games #GameDev #IndieDev #Asm #Contest @ua.es @retrovirtualmachine.org @mojontwins.bsky.social
Reposted by gbdev.io
Gamedev can be stressful and learning lessons the hard way can sting!
Here's 10 lessons Raúl Rosso learnt on his project to give you some guidance. 🗺️
gbstudiocentral.com/tips/ten-les...
#gameboy #gbstudio #gamedev
Here's 10 lessons Raúl Rosso learnt on his project to give you some guidance. 🗺️
gbstudiocentral.com/tips/ten-les...
#gameboy #gbstudio #gamedev
September 22, 2025 at 3:38 PM
Gamedev can be stressful and learning lessons the hard way can sting!
Here's 10 lessons Raúl Rosso learnt on his project to give you some guidance. 🗺️
gbstudiocentral.com/tips/ten-les...
#gameboy #gbstudio #gamedev
Here's 10 lessons Raúl Rosso learnt on his project to give you some guidance. 🗺️
gbstudiocentral.com/tips/ten-les...
#gameboy #gbstudio #gamedev
Alright, we've announced our shortlist, now it's YOUR turn!
Make sure you follow this account and reshare this post telling us what's your favourite contestant submitted to #gbcompo25 for a chance to win a Chromatic we and @modretro.bsky.social are giving away!
modretro.com/products/chr...
Make sure you follow this account and reshare this post telling us what's your favourite contestant submitted to #gbcompo25 for a chance to win a Chromatic we and @modretro.bsky.social are giving away!
modretro.com/products/chr...
Chromatic + Tetris Bundle
Chromatic is the ultimate cartridge console for people who simply want to game. No downloads, no logins, no interruptions–just plug in a cartridge and start playing. It’s gaming the way it used to ...
modretro.com
October 7, 2025 at 8:03 PM
Alright, we've announced our shortlist, now it's YOUR turn!
Make sure you follow this account and reshare this post telling us what's your favourite contestant submitted to #gbcompo25 for a chance to win a Chromatic we and @modretro.bsky.social are giving away!
modretro.com/products/chr...
Make sure you follow this account and reshare this post telling us what's your favourite contestant submitted to #gbcompo25 for a chance to win a Chromatic we and @modretro.bsky.social are giving away!
modretro.com/products/chr...
Wait's over. We're about to reveal, entry by entry (and in no particular order), the final #gbcompo25 shortlist!
Those 19 games will be the ones competing for prizes and they will be ranked in the final leaderboard.
Stick around till the end of the thread… we have a special surprise for everyone!
Those 19 games will be the ones competing for prizes and they will be ranked in the final leaderboard.
Stick around till the end of the thread… we have a special surprise for everyone!
October 7, 2025 at 4:29 PM
Wait's over. We're about to reveal, entry by entry (and in no particular order), the final #gbcompo25 shortlist!
Those 19 games will be the ones competing for prizes and they will be ranked in the final leaderboard.
Stick around till the end of the thread… we have a special surprise for everyone!
Those 19 games will be the ones competing for prizes and they will be ranked in the final leaderboard.
Stick around till the end of the thread… we have a special surprise for everyone!
Reposted by gbdev.io
GB BASIC v1.2 is available now with web Tutorials, various bug fixes, and feature improvements.
#gbbasic #screenshotsaturday #gbdev #gameboy #gamedev
#gbbasic #screenshotsaturday #gbdev #gameboy #gamedev
October 5, 2025 at 2:16 PM
GB BASIC v1.2 is available now with web Tutorials, various bug fixes, and feature improvements.
#gbbasic #screenshotsaturday #gbdev #gameboy #gamedev
#gbbasic #screenshotsaturday #gbdev #gameboy #gamedev
Quick update from the #gbcompo25 organisation team: our judges are working hard, going through the ~120 submitted entries, validating them and selecting their favourites.
We plan to release the shortlist next week.
We plan to release the shortlist next week.
September 30, 2025 at 2:18 PM
Quick update from the #gbcompo25 organisation team: our judges are working hard, going through the ~120 submitted entries, validating them and selecting their favourites.
We plan to release the shortlist next week.
We plan to release the shortlist next week.
Reposted by gbdev.io
If you need more encouragement building your #GameBoy emulator I have another video for you, this time it's about building the graphics system
Good luck!
youtu.be/HjKNON3YHfY
Good luck!
youtu.be/HjKNON3YHfY
You Should Emulate Game Boy Graphics, Here's Some Help
YouTube video by System of Levers
youtu.be
September 19, 2025 at 7:05 PM
If you need more encouragement building your #GameBoy emulator I have another video for you, this time it's about building the graphics system
Good luck!
youtu.be/HjKNON3YHfY
Good luck!
youtu.be/HjKNON3YHfY
Reposted by gbdev.io
🌿⚔️ The Green Knight for #GBCompo!
A retro Arthurian adventure for the Game Boy — quests, swords, and pixel valor. Playable on real hardware + emulator.
#gbdev #gamedev #gbstudio #gbcompo25 #homebrew
nicholasbm.itch.io/the-green-kn...
A retro Arthurian adventure for the Game Boy — quests, swords, and pixel valor. Playable on real hardware + emulator.
#gbdev #gamedev #gbstudio #gbcompo25 #homebrew
nicholasbm.itch.io/the-green-kn...
September 15, 2025 at 5:23 PM
🌿⚔️ The Green Knight for #GBCompo!
A retro Arthurian adventure for the Game Boy — quests, swords, and pixel valor. Playable on real hardware + emulator.
#gbdev #gamedev #gbstudio #gbcompo25 #homebrew
nicholasbm.itch.io/the-green-kn...
A retro Arthurian adventure for the Game Boy — quests, swords, and pixel valor. Playable on real hardware + emulator.
#gbdev #gamedev #gbstudio #gbcompo25 #homebrew
nicholasbm.itch.io/the-green-kn...
