Stef - SGDK
@stephane-d.bsky.social
Permanently stuck in #16bit world and obsessed in developing on my Sega #Megadrive. Check out #SGDK, a free and open source Sega Mega Drive Development Kit 🙂
Reposted by Stef - SGDK
Background + sprite animation (the ship is now pre-rendered) and... tunnels ! I think I can add more gameplay elements and stay at 30fps, there is hope, the megadrive is a beast :o
November 18, 2025 at 7:48 PM
Background + sprite animation (the ship is now pre-rendered) and... tunnels ! I think I can add more gameplay elements and stay at 30fps, there is hope, the megadrive is a beast :o
Reposted by Stef - SGDK
Jumping! I want the driving to feel smooth and arcadey like a Sega Rally. I was never a big fan of Wipeout's physics, but I love the graphics obviously :)
November 3, 2025 at 9:09 PM
Jumping! I want the driving to feel smooth and arcadey like a Sega Rally. I was never a big fan of Wipeout's physics, but I love the graphics obviously :)
Reposted by Stef - SGDK
Side quest in texture land... DMA is on it's knee and interrupts are eating a good chunk of CPU on #SegaMegadrive #SGDK #BlastEm
October 18, 2025 at 1:47 PM
Side quest in texture land... DMA is on it's knee and interrupts are eating a good chunk of CPU on #SegaMegadrive #SGDK #BlastEm
Reposted by Stef - SGDK
I reworked the camera, improved clipping and rewrote the physics with acceleration and drift, the feel is better now
October 23, 2025 at 5:24 PM
I reworked the camera, improved clipping and rewrote the physics with acceleration and drift, the feel is better now
Reposted by Stef - SGDK
So mayyybe it's possible to render in 4 colors, it takes 20% more cpu but two palettes of 16 colors are then free for sprites and background #SGDK #SegaMegadrive
October 8, 2025 at 1:54 PM
So mayyybe it's possible to render in 4 colors, it takes 20% more cpu but two palettes of 16 colors are then free for sprites and background #SGDK #SegaMegadrive
Reposted by Stef - SGDK
Only 2 colors, but finally some stable 30fps 3d without line-doubling (256x128 or 320x128 pixels) on stock Sega Megadrive :) The bottleneck is the height of the polygons. I exhausted all my ideas so I don't think I can do faster at this resolution.
September 25, 2025 at 3:34 PM
Only 2 colors, but finally some stable 30fps 3d without line-doubling (256x128 or 320x128 pixels) on stock Sega Megadrive :) The bottleneck is the height of the polygons. I exhausted all my ideas so I don't think I can do faster at this resolution.
Reposted by Stef - SGDK
Improved this more, there were a few single frame hitches that I've squashed out
August 24, 2025 at 10:10 PM
Improved this more, there were a few single frame hitches that I've squashed out
Reposted by Stef - SGDK
The project came about because one of the devs was messing with @stephane-d.bsky.social's SGDK and they decided to give them space to make it. Though it was announced April 1, it's a proper game and comes with a downloadable emulator executable! I appreciate how seriously the manual treats the game.
May 31, 2025 at 5:20 PM
The project came about because one of the devs was messing with @stephane-d.bsky.social's SGDK and they decided to give them space to make it. Though it was announced April 1, it's a proper game and comes with a downloadable emulator executable! I appreciate how seriously the manual treats the game.
Reposted by Stef - SGDK
After years of hard work, our retro-inspired shooter Earthion finally has its own home online.
Dive into the world, watch the new trailer, and hear a track made entirely with the Megadrive’s YM2612 sound chip.
Now viewable in English and Portuguese:
earthiongame.com
Dive into the world, watch the new trailer, and hear a track made entirely with the Megadrive’s YM2612 sound chip.
Now viewable in English and Portuguese:
earthiongame.com
Earthion - Earthion
Return to the genesis of 16-bit gaming with Ancient's brand new shoot 'em up, Earthion!
earthiongame.com
May 4, 2025 at 5:35 PM
After years of hard work, our retro-inspired shooter Earthion finally has its own home online.
Dive into the world, watch the new trailer, and hear a track made entirely with the Megadrive’s YM2612 sound chip.
Now viewable in English and Portuguese:
earthiongame.com
Dive into the world, watch the new trailer, and hear a track made entirely with the Megadrive’s YM2612 sound chip.
Now viewable in English and Portuguese:
earthiongame.com
Reposted by Stef - SGDK
Super excited to share that Backwards Quest won Best Game at the NESmaker Byte-Off Awards at MGC! Big thanks to the awesome @nesmaker.bsky.social team, and congrats to my partners-in-crime Artix, Fernando, and Jordan!
➡️ theretroverse.com/product/back...
#NES #homebrew #nesdev #indiegames #ファミコン
➡️ theretroverse.com/product/back...
#NES #homebrew #nesdev #indiegames #ファミコン
April 7, 2025 at 1:17 PM
Super excited to share that Backwards Quest won Best Game at the NESmaker Byte-Off Awards at MGC! Big thanks to the awesome @nesmaker.bsky.social team, and congrats to my partners-in-crime Artix, Fernando, and Jordan!
➡️ theretroverse.com/product/back...
#NES #homebrew #nesdev #indiegames #ファミコン
➡️ theretroverse.com/product/back...
#NES #homebrew #nesdev #indiegames #ファミコン
Reposted by Stef - SGDK
Trying raycasting again youtu.be/viGHLhuKa-E
Raycasting in SGDK Again
YouTube video by Greg Gallardo
youtu.be
March 27, 2025 at 4:26 AM
Trying raycasting again youtu.be/viGHLhuKa-E
Reposted by Stef - SGDK
GGS Studio Creation and Broke Studios launched a franchise with The Cursed Knight, a wonderful mix of genres that delivers a solid dose of old school gaming. It has charm, great presentation, and that wonderfully frustrating gameplay we all love.
www.sega-16.com/2025/03/curs...
www.sega-16.com/2025/03/curs...
March 26, 2025 at 12:28 AM
GGS Studio Creation and Broke Studios launched a franchise with The Cursed Knight, a wonderful mix of genres that delivers a solid dose of old school gaming. It has charm, great presentation, and that wonderfully frustrating gameplay we all love.
www.sega-16.com/2025/03/curs...
www.sega-16.com/2025/03/curs...
Reposted by Stef - SGDK
more Sega Genesis stuff, here's the first witchy battle theme for @nosebecc.bsky.social's (NSFW!!!) game, featuring what would become one of the game's other leitmotifs
March 26, 2025 at 6:42 AM
more Sega Genesis stuff, here's the first witchy battle theme for @nosebecc.bsky.social's (NSFW!!!) game, featuring what would become one of the game's other leitmotifs
Reposted by Stef - SGDK
I added some new tile types to Gilgamech...
- Death, Damage, and Conveyor L/R tiles
Here's a screenshot of my test level. You can also check out a video of these in action by joining my free Patreon dev diary.
www.patreon.com/posts/welcom...
#SGDK #Gilgamech #GameDev #IndieDev
- Death, Damage, and Conveyor L/R tiles
Here's a screenshot of my test level. You can also check out a video of these in action by joining my free Patreon dev diary.
www.patreon.com/posts/welcom...
#SGDK #Gilgamech #GameDev #IndieDev
February 22, 2025 at 6:48 PM
I added some new tile types to Gilgamech...
- Death, Damage, and Conveyor L/R tiles
Here's a screenshot of my test level. You can also check out a video of these in action by joining my free Patreon dev diary.
www.patreon.com/posts/welcom...
#SGDK #Gilgamech #GameDev #IndieDev
- Death, Damage, and Conveyor L/R tiles
Here's a screenshot of my test level. You can also check out a video of these in action by joining my free Patreon dev diary.
www.patreon.com/posts/welcom...
#SGDK #Gilgamech #GameDev #IndieDev
Reposted by Stef - SGDK
One of the many reasons #SGDK is such a valuable Genesis game dev tool is its automation of creating multi-sprite objects for characters. I recently got a new version of Blastem that lets me see exactly how sprites are structured and it's very interesting 🤯
#GameDev #IndieDev #Gilgamech
#GameDev #IndieDev #Gilgamech
February 22, 2025 at 8:14 PM
One of the many reasons #SGDK is such a valuable Genesis game dev tool is its automation of creating multi-sprite objects for characters. I recently got a new version of Blastem that lets me see exactly how sprites are structured and it's very interesting 🤯
#GameDev #IndieDev #Gilgamech
#GameDev #IndieDev #Gilgamech
Reposted by Stef - SGDK
Now that the Square Brothers Megadrive port is finished and tested, we started a new game!
We wanted to try something with constant palette swapping to try that engine module!
ʕ •ᴥ• ʔ
#sgdk #megadrive #mdengine
We wanted to try something with constant palette swapping to try that engine module!
ʕ •ᴥ• ʔ
#sgdk #megadrive #mdengine
March 6, 2025 at 1:28 AM
Now that the Square Brothers Megadrive port is finished and tested, we started a new game!
We wanted to try something with constant palette swapping to try that engine module!
ʕ •ᴥ• ʔ
#sgdk #megadrive #mdengine
We wanted to try something with constant palette swapping to try that engine module!
ʕ •ᴥ• ʔ
#sgdk #megadrive #mdengine
Reposted by Stef - SGDK
Whatever happened to secret codes and sound tests? #screenshotsaturday #sgdk #segagenesis #megadrive #gamedev
March 8, 2025 at 5:52 PM
Whatever happened to secret codes and sound tests? #screenshotsaturday #sgdk #segagenesis #megadrive #gamedev
Reposted by Stef - SGDK
Repost of my 60 fps raycaster with texture on the original Sega Megadrive/Genesis. Find the rom here -> anael.maratis3d.com/mega/ #SGDK
November 28, 2024 at 9:40 PM
Repost of my 60 fps raycaster with texture on the original Sega Megadrive/Genesis. Find the rom here -> anael.maratis3d.com/mega/ #SGDK
Reposted by Stef - SGDK
Also 60 fps, custom tri/quads and wireframe 3d on Sega Megadrive/Genesis :p
November 28, 2024 at 10:36 PM
Also 60 fps, custom tri/quads and wireframe 3d on Sega Megadrive/Genesis :p
Reposted by Stef - SGDK
The simple power of k-means clustering for lossy compression : 1120 tiles are needed on the left (uncompressed), 512 tiles on the right. On Sega Megadrive with #SGDK
February 3, 2025 at 7:12 PM
The simple power of k-means clustering for lossy compression : 1120 tiles are needed on the left (uncompressed), 512 tiles on the right. On Sega Megadrive with #SGDK
Reposted by Stef - SGDK
Unbelievably, 35 years after its US launch, there are enough new games coming for the Sega Genesis that it can be hard to keep track.
Now, you don't have to! I've launched the Mega Drive Tracker, a site that catalogs all the new physical releases coming to Sega's 16-bit console.
md.restartmag.com
Now, you don't have to! I've launched the Mega Drive Tracker, a site that catalogs all the new physical releases coming to Sega's 16-bit console.
md.restartmag.com
November 4, 2024 at 6:05 PM
Unbelievably, 35 years after its US launch, there are enough new games coming for the Sega Genesis that it can be hard to keep track.
Now, you don't have to! I've launched the Mega Drive Tracker, a site that catalogs all the new physical releases coming to Sega's 16-bit console.
md.restartmag.com
Now, you don't have to! I've launched the Mega Drive Tracker, a site that catalogs all the new physical releases coming to Sega's 16-bit console.
md.restartmag.com
Reposted by Stef - SGDK
I heard rumors of a service called X-Mail coming soon, I wonder if this is it?
December 17, 2024 at 10:44 PM
I heard rumors of a service called X-Mail coming soon, I wonder if this is it?
Reposted by Stef - SGDK
Master Pigsy shares with us his progress on Castlevania Symphony of the Night for Sega Mega Drive.
youtu.be/X98SNoqGaUM
#sega #megadrive #segagenesis #castlevania #sotn #indiedev #retrodev #indiegame #retrogame #sgdk #homebrew
youtu.be/X98SNoqGaUM
#sega #megadrive #segagenesis #castlevania #sotn #indiedev #retrodev #indiegame #retrogame #sgdk #homebrew
Mega Drive Demo #77 - Castlevania: Symphony of the Night (Entrance) by Pigsy
YouTube video by Genesis 8:14
youtu.be
October 20, 2024 at 5:55 PM
Master Pigsy shares with us his progress on Castlevania Symphony of the Night for Sega Mega Drive.
youtu.be/X98SNoqGaUM
#sega #megadrive #segagenesis #castlevania #sotn #indiedev #retrodev #indiegame #retrogame #sgdk #homebrew
youtu.be/X98SNoqGaUM
#sega #megadrive #segagenesis #castlevania #sotn #indiedev #retrodev #indiegame #retrogame #sgdk #homebrew
Reposted by Stef - SGDK
My hobby is making a new Sega Genesis aka Mega Drive game.
Today I designed and implemented a turret enemy. Here is my plan for the trigger boxes. I had to make them a little larger to get it t working just right.
See more on my Patreon
#gamedev #segagenesis #SGDK #megadrive #gilgamech
Today I designed and implemented a turret enemy. Here is my plan for the trigger boxes. I had to make them a little larger to get it t working just right.
See more on my Patreon
#gamedev #segagenesis #SGDK #megadrive #gilgamech
November 28, 2024 at 11:15 PM
My hobby is making a new Sega Genesis aka Mega Drive game.
Today I designed and implemented a turret enemy. Here is my plan for the trigger boxes. I had to make them a little larger to get it t working just right.
See more on my Patreon
#gamedev #segagenesis #SGDK #megadrive #gilgamech
Today I designed and implemented a turret enemy. Here is my plan for the trigger boxes. I had to make them a little larger to get it t working just right.
See more on my Patreon
#gamedev #segagenesis #SGDK #megadrive #gilgamech