Reposted by Andrzej MazurJupiter @jupiterhadley.com · 05/10/2026Check out part 4 of my #JS13k games compilation video series: youtu.be/_EhauRs6JFAyoutu.beJupi Plays Indie Games: ALL THE GAMES [JS13k Games 2026] [Part 4]YouTube video by Jupiter_Hadley 011
Reposted by Andrzej MazurJupiter @jupiterhadley.com · 05/10/2026Here's another part of my #js13k Games compilation: youtu.be/Z0dGW8A_Nv0youtu.beJupi Plays Indie Games: ALL THE GAMES [JS13k Games 2026] [Part 3]YouTube video by Jupiter_Hadley 011
Reposted by Andrzej MazurJupiter @jupiterhadley.com · 05/10/2026Playing through more of the #JS13k games! youtu.be/O4SwU4gjnIwyoutu.beJupi Plays Indie Games: ALL THE GAMES [JS13k Games 2026] [Part 2]YouTube video by Jupiter_Hadley 021
Reposted by Andrzej MazurCutout @cutoutstudios.com · 03/10/2026Finally finished our #JS13K postmortem. Come learn about #WebGPU! github.com/cutout-studi...github.comjs13k-2026/docs/POSTMORTEM.md at main · cutout-studios/js13k-2026MISSION: DARKWHITE. Contribute to cutout-studios/js13k-2026 development by creating an account on GitHub. 031
Andrzej Mazur @end3r.bsky.social · 05/10/2026Behold, here are the overall WINNERS of the #js13k 2026 competition! 🎉 1. Spectral Horn by Filip Paulů 2. Panzercorn by Chris Subagio 3. HueCorn by Ryan Tyler Post: js13kgames.com/2026/blog/wi... Results: js13kgames.com/2026/#winners Congratulations and thank you all! #gamedev #gamedevjs 083
Andrzej Mazur @end3r.bsky.social · 02/10/2026Voting for the best #js13k 2026 entries ends soon! Do you have any favourites or guesses who could win? js13kgames.com/2026/games #gamedev #gamedevjs #gamejam #compo #competition #countdown #voting #winners #JavaScript #HTML5 051
Reposted by Andrzej MazurNallebeorn @nallebeorn.se · 02/10/2026I made a game for js13kGames this year, and published a blog post about the making of it: nallebeorn.se/blog/js13k20... #js13k #gamedev 🦄🌈nallebeorn.seMaking a 3D platformer in 13K – NallebeornThis year I participated in js13kGames for the first time, making a little 3D platformer called Unifrost. I think the game turned out great! Working under interesting constraints and with a deadline u... 0112
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 29/09/2026every SP13KTRA skybox, stacked 🌈 all eight panoramic skies are now baked into textures for the Dreamcast port. It draws faster and looks better too! 👍 #dreamcast #homebrew #js13k 071
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 29/09/2026SP13KTRA for Dreamcast v1.12 🌈🚀 big push for 60 fps on real hardware. way fewer verts, baked skybox, DMA to the PowerVR, plus VMU screen support! thanks to everyone who tried it on hardware 🙏 free download 👇 github.com/KilledByAPix... #Dreamcast #homebrew #js13k 283
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 27/09/2026My JS13K game SP13KTRA is now available on Dreamcast! 💿 All 8 tracks, 60 fps, VMU saves, full soundtrack. More about how I did it in this thread. 🧵 #dreamcast #homebrew #js13k #claude 282
Reposted by Andrzej MazurGleb Volkov @glebv.bsky.social · 26/09/2026What happens if you put Tempest on the beat, add a unicorn and rainbows, then squeeze it all into 13KB? UNxR. Ta-da! 🦄🌈 #ScreenshotSaturday #js13k 152
Andrzej Mazur @end3r.bsky.social · 02/10/2026Issue #665 of Gamedev.js Weekly newsletter about Halo in the browser, LittleJS Jam 3, and Defold 1.13.2 is out - go check it! gamedevjsweekly.com/665 #HTML5 #JavaScript #gamedevjs #gamedev #weekly #newslettergamedevjsweekly.comHalo in the browser, LittleJS Jam 3, and Defold 1.13.2Check out issue #665 of Gamedev.js Weekly — the free, weekly newsletter about web game development. 060
Andrzej Mazur @end3r.bsky.social · 25/09/2026Our fourth #js13k Community Soundtrack is up on Bandcamp already, thanks to João Lopes yet again. You can listen to some great music from this year’s games, and add yours to the album too. js13kgames.com/2026/blog/co... #gamedev #gamedevjs #soundtrack #music #sounds 153
Andrzej Mazur @end3r.bsky.social · 25/09/2026Issue #664 of Gamedev.js Weekly newsletter about 10M gameplays, 3D Gaussian Splatting, and Robot Rivals is out - go check it! gamedevjsweekly.com/664 #HTML5 #JavaScript #gamedevjs #gamedev #weekly #newslettergamedevjsweekly.com10M gameplays, 3D Gaussian Splatting, and Robot RivalsCheck out issue #664 of Gamedev.js Weekly — the free, weekly newsletter about web game development. 092
Reposted by Andrzej MazurJupiter @jupiterhadley.com · 24/09/2026Got some of my JS13k Games Coverage: #gamejam #js13k youtu.be/nN41Fv3gkj4youtu.beJupi Plays Indie Games: ALL THE GAMES [JS13k Games 2026] [Part 1]YouTube video by Jupiter_Hadley 021
Reposted by Andrzej MazurVictor @javascripl.bsky.social · 23/09/2026Next game to re view in #js13k is "BLADE:13 - PRISM BREAK" js13kgames.com/2026/games/b...js13kgames.comBLADE:13 - PRISM BREAKA game in the js13kGames 2026 competition. Play it now, for free! 111
Reposted by Andrzej MazurGleb Volkov @glebv.bsky.social · 21/09/2026Since 2021, #js13k has grown into five games, each within 13 KB: Space Arcade, Enchanted Dungeon, XIII Floor, Catapoolt and UNxR. Along the way: Miniracers, a 64×64 px PICO-8 racer for #LOWREZJAM. Latest: SUPAPONG - PONG × SUPERHOT in less than 1 KB for #pico1k. So far ↓ 031
Reposted by Andrzej MazurCutout @cutoutstudios.com · 20/09/2026We learned during #JS13K that debugging game loops is an absolute pain: so we've proposed a change to the #WHATWG console to make it a little bit better. The `%t` token: github.com/whatwg/conso...github.comProposal: `%t` topic/tag/tab token · Issue #255 · whatwg/consoleWhat problem are you trying to solve? I just finished participating in js13kgames.com and lemme tell you, debugging game loops are a pain, mainly because you cannot reasonably work with 10,000 logs... 011
Reposted by Andrzej MazurGleb Volkov @glebv.bsky.social · 19/09/2026Here’s a 64×64 PICO-8 demake of the UNxR logo reveal animation from my #js13k 2026 entry. Source code: just 292 chars 👇 www.lexaloffle.com/bbs/?tid=159... Play UNxR & vote for it: js13kgames.com/2026/games/u... #pico8 #postcart #gamedev #pixelart #demake #indiedev 0174
Reposted by Andrzej MazurGleb Volkov @glebv.bsky.social · 18/09/2026People ask what UNxR means. It’s pronounced “UNKser”: UN and R are the first letters of this year’s #js13k theme. R also stands for Rhythm, the core mechanic; x marks the crossover with Tempest-style gameplay. And if you dig a bit deeper, the whole name is a subtle nod to TxK. 011
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 18/09/2026i wrote a short blog post about my js13k games. working on a longer one that explains more technical details about how i made sp13ktra. frankforce.com/i-made-4-gam... #js13kfrankforce.comI made 4 games for JS13K 2026Four Games in 13 Kilobytes I’ve been participating in JS13K since 2019 and this year I wanted to take it to a new level. So I didn’t make one game, I made four. Each game fits in a 13 K… 072
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 17/09/2026here's a top down view of all 8 tracks in SP13KTRA 🌈 every track is built procedurally, the full 3D road with banked turns, hills and crossovers, and all the scenery. each one has its own theme, palette, and building shapes. and the whole game fits in 13 kilobytes! #js13k 172
Reposted by Andrzej MazurHogias @hogia.bsky.social · 16/09/2026I would appreciate feedback for this one to make the director's cut better. If you have a github account and you enjoy playing it please leave a feedback. #js #gamedev #webgl #js13k #game #minigame 083
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 16/09/2026full soundtrack for my 13k game SP13KTRA is up on soundcloud soundcloud.com/user-2986066... the mp3 is about 400x bigger then the game itself! 🤔 #js13ksoundcloud.comSP13KTRA Soundtrackthe soundtrack for SP13KTRA, my anti-gravity racing game for js13k 2026. the whole game fits in 13 kilobytes, including the music. 🌈🚀 every song is generated from a single number. a seeded random g 051
Reposted by Andrzej MazurHogias @hogia.bsky.social · 16/09/2026Check out Unicorn Dream, my entry for @js13kGames 2026! #js13k #gamedev #js js13kgames.com/2026/games/u...js13kgames.comUnicorn's DreamA game in the js13kGames 2026 competition. Play it now, for free! 042
Reposted by Andrzej MazurGleb Volkov @glebv.bsky.social · 16/09/2026Meet UNxR 🦄🌈 - my @js13kGames 2026 “Unicorns & Rainbows” entry. 13KB. 99 levels. 16 arenas. 5 enemy types, each with unique behavior - Tempest × rhythm game crossover. Miss the beat, lose your turn! Play & vote 👇 js13kgames.com/2026/games/u... #js13k #gamedev #indiedev #indiegame 182
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 16/09/2026My new game SP13KTRA is out! 🌈 8 racers, 8 tracks, 8 songs, real 3D, and it all fits in 13K. Play in your browser on desktop or phone: mouse, keyboard, gamepad or touch. @newgrounds.com @wavedash.com @itch.io @github.com #js13k #gamedev 2276
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 15/09/2026here's the magic trick behind how I fit 8 music tracks in my #js13k game SP13KTRA. 🌈🚀 every song is defined by a single number. 😯 the random generator uses 26 dice rolls per track for its parameters. i used AI to make this music bench to find a good seed to fit each level. 141
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 14/09/2026SP13KTRA 🟥🟧🟨🟩🟦🟪 #js13k www.dwitter.net/d/36289 with(x)for(i=c.width|=c.style.filter='invert(',textAlign='center',globalCompositeOperation='xor',font='85em impact';i--;fillText('KTRASP13'[i%8],(i-3-t)*500,1080))fillStyle=`hsl(${i*45},99%,50%` 022
Reposted by Andrzej MazurCutout @cutoutstudios.com · 14/09/2026Very proud to announce you can now rate our game on the #JS13K website - js13kgames.com/2026/games/m... Play and rate some of the other entries while you're there. Everything is very impressive.js13kgames.comMISSION: DARKWHITEA game in the js13kGames 2026 competition. Play it now, for free! 021
Reposted by Andrzej MazurAurélio Heckert @aurium.bsky.social · 14/09/2026My entry for this year's #JS13K This year I made a children's book where the levels are the book's chapters, and you play through the story of a rhinoceros that shoots a rainbow out of its butt. js13kgames.com/2026/games/r... #gamedevjs13kgames.comRino Finding LoveA game in the js13kGames 2026 competition. Play it now, for free! 292
Reposted by Andrzej Mazureoinmcg @eoinmcgrath.com · 14/09/2026Just about managed to finish sth for #js13k Fun times! #gamedev #littlejs 🦄 Play it here: js13kgames.com/2026/games/g... 073
Reposted by Andrzej MazurGleb Volkov @glebv.bsky.social · 14/09/2026Spotted Cathy de Monchaux’s famous Unicorn at Palais de Tokyo in Paris 🦄 Meanwhile, I was there making my game UNxR for the #js13k contest with a very similar theme: “Unicorns and Rainbows.” 🌈 js13kgames.com/2026/games/u... Check it out! 011
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 13/09/2026My new game SP13KTRA is an anti-gravity racer inspired by F-Zero and Wipeout! 🏎️🌈 The whole game fits in just 13 kilobytes, including the art, music, engine, and rendering. 👀 Play it right in your browser! #js13k #gamedev js13kgames.com/2026/games/s... 3195
Reposted by Andrzej Mazurtalesfromuranus.bsky.social @talesfromuranus.bsky.social · 13/09/2026Finished my first JS13k entry this year with Queenie's Playland js13kgames.com/2026/games/q... While the game ended up much simpler than planned, it really was a blast! #picoCAD2 #js13k 0133
Reposted by Andrzej MazurJuhani Ovalo @yabadaba.bsky.social · 13/09/2026This year JS13K submission is here: js13kgames.com/2026/games/r... #js13k #game #unicorn #rainbowjs13kgames.com 011
Andrzej Mazur @end3r.bsky.social · 18/09/2026yeah, I remember yours and nothing else, though given the amount I could've missed something - still, someone could've made a game about a Heavy Assault Unicorn, aka Rhino ;D 010
Reposted by Andrzej MazurAurélio Heckert @aurium.bsky.social · 14/09/2026I was expecting MORE games featuring rhinoceroses — after all, the theme of the year was "Unicorns and Rainbows," and they are essentially **real-life battle unicorns**. But so far, I haven't spotted another game with this animal. I wonder if @end3r.bsky.social feels the same... 111
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 14/09/2026This year JS13K had 317 entries, smashing the previous record! Congrats to @end3r.bsky.social and everyone who submitted. 🎉 It was also the biggest year yet for ZzFX, with 65 entries using it, 51 using ZzFXM, and 8 games made with LittleJS Engine. 😄👍 #js13k 031
Andrzej Mazur @end3r.bsky.social · 18/09/2026Issue #663 of Gamedev.js Weekly newsletter about MTLX, ArmorPaint, and fractal tunnel is out - go check it! gamedevjsweekly.com/663 #HTML5 #JavaScript #gamedevjs #gamedev #weekly #newslettergamedevjsweekly.comMTLX, ArmorPaint, and fractal tunnelCheck out issue #663 of Gamedev.js Weekly — the free, weekly newsletter about web game development. 161
Andrzej Mazur @end3r.bsky.social · 14/09/2026Now that we accepted all 317 #js13k 2026 entries, it's time to VOTE and pick the best games this year! 🎉 js13kgames.com/2026/blog/vo... Have fun! 🦄🌈 #gamedevjs #gamedev #gamejam #indiedev #indiegames #codegolf #JavaScript #HTML5js13kgames.comVoting is open!The fifteenth yearly edition of the js13kGames competition ended with a record-breaking 317 entries! Last year’s amount was 197 games, and the previous record was 274 games in 2018 - that’s the first ... 071
Andrzej Mazur @end3r.bsky.social · 13/09/2026Issue #662 of Gamedev.js Weekly newsletter about seven terabytes of terrain, 300+ js13kGames entries, and Opusfived is out - go check it! gamedevjsweekly.com/662 #HTML5 #JavaScript #gamedevjs #gamedev #weekly #newsletter #js13kgamedevjsweekly.comSeven terabytes of terrain, 300+ js13kGames entries, and OpusfivedCheck out issue #662 of Gamedev.js Weekly — the free, weekly newsletter about web game development. 061
Andrzej Mazur @end3r.bsky.social · 13/09/2026We've received more than 300 #js13k entries this year, which is a record since the very beginning in 2012! js13kgames.com/2026/games We're still helping fix some issues with submissions, and the voting will begin tomorrow, as planned! #gamedevjs #gamedev #gamejam #indiedev #indiegames #codegolf 0144
Reposted by Andrzej MazurWiserim @wiserim.bsky.social · 13/09/2026Submitted my #js13k game at the last minute. My niece like it, so thas's already a win for me. js13kgames.com/2026/games/u... #gamedev #javascript 0113
Reposted by Andrzej MazurNicklas Löf @snukey.mastodon.social.ap.brid.gy · 13/09/2026Just submitted my JS13k game Rainbow Ricochet. js13kgames.com/2026/games/rainbow-r… #js13k #gamedev 085
Reposted by Andrzej MazurBen @binarymoon.bsky.social · 13/09/2026It has now been submitted. Learnt a lot doing this. I've been making online games for 20 something years, but this is the first time I've worked within strict guidelines. It's been fun, and challenging! #js13k #gamedev #javascript js13kgames.com/games/unicor...js13kgames.com 083
Reposted by Andrzej MazurFrank Force @frankforce.bsky.social · 12/09/2026one last push on SP13KTRA! 🏎️🌈 anti-gravity racing inspired by F-Zero and Wipeout, all in 13 kilobytes. i'm still tweaking the racing and could really use some playtesters. gameplay below, play link in the next post! #js13k #gamedev 2152
Reposted by Andrzej MazurKarthik VJ @karthikvj.bsky.social · 12/09/2026Go play my #js13k gamejam game! #gamedev #indiegame labrat.mobi/games/hornbo...labrat.mobiHornboundIn this roguelike adventure, you play as a Unicorn on a quest to find the missing rainbows. Explore, survive, and collect them all! 082
Andrzej Mazur @end3r.bsky.social · 13/09/2026We have 200 #js13k entries accepted already, ~40 in the queue, ~60 drafts, and still (a bit less than) THREE HOURS to go before the deadline! js13kgames.com/2026/submit #gamedevjs #gamedev #gamejam #indiedev #indiegames #codegolf #deadline #submit #JavaScript #HTML5 0114
Andrzej Mazur @end3r.bsky.social · 12/09/2026Less than 24 HOURS left to submit your game into #js13k 2026, if you haven't done that already - we're now at 160 entries, and ~75 drafts! js13kgames.com/submit #gamedevjs #gamedev #gamejam #indiedev #indiegames #codegolf #deadline #submit 0133