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Js13kGames
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js13kGames (also referenced as JS13K) is a game jam competition, focused on creating browser games that are no larger than 13 kilobytes when compressed using ZIP.[1][2][3] Participants are not permitted to use external services or libraries, and all assets must also fit within the size limit.[4] Games are programmed in JavaScript and HTML5.[5][6][7] The competition has a different theme each year and participants have the freedom to interpret it however they like.[8] Winners receive prizes consisting of money, digital rewards, T-shirts, and promotional items.[9]
History
[edit]JS13K was founded in 2012 and is run by Andrzej Mazur.[10][11][12] It is held from 13 August to 13 September annually.[13] Since 2017 there are categories that allow for certain frameworks to not count towards the size limit.[14] JS13k introduced a web monetization category in 2019 in partnership with Coil,[15] which continued through 2020 funded partially by Grant for the Web.[16]
Several well known game designers have participated in JS13K including Markus "Notch" Persson (creator of Minecraft)[17] and Ricardo "Mrdoob" Cabello (creator of Three.js).[18] Some games created for the competition have later been released commercially on Steam including 2016 winner Evil Glitch.[19] Others have been mentioned across the internet in various articles around the event itself.[20]
In 2015, JS13K started to expand, including a panel of judges for each of their events.[21] There are a few judges that have been featured in every single event, including Dann Sullivan of Pocket Gamer, Game Developer Christer Kaitilla, and Games Journalist Jupiter Hadley.
In 2024, Brendan Eich, the creator of JavaScript, appreciated one of the participants for their competition entry.[22]
Results
[edit]| No. | Year | Theme | Entries | Winning Game | Developer(s) | Ref |
|---|---|---|---|---|---|---|
| 1 | 2012 | Number 13 | 62 | SpacePi | Jack Rugile | [23] |
| 2 | 2013 | Bad Luck | 70 | Radius Raid | [24] | |
| 3 | 2014 | Earth, Water, Air and Fire | 129 | Pest Control : Weasels | Siorki | [25] |
| 4 | 2015 | Reversed | 160 | Behind Asteroids — The Dark Side | Greweb | [26] |
| 5 | 2016 | Glitch | 127 | Evil Glitch | Agar3s | [27] |
| 6 | 2017 | Lost | 253 | Greeble | Ryan Malm | [28] |
| 7 | 2018 | Offline | 273 | UNDERRUN | Phoboslab | [29] |
| 8 | 2019 | Back | 245 | xx142-b2.exe | Ben & Salvatore | [30] |
| 9 | 2020 | 404 | 227 | Ninja vs EVILCORP | Rémi Vansteelandt | [31] |
| 10 | 2021 | Space | 223 | Space Garden | Ryan Malm | [32] |
| 11 | 2022 | Death | 167 | Dante | Salvatore Previti | [33] |
| 12 | 2023 | 13th Century | 163 | Path to Glory | Rémi Vansteelandt | [34] |
| 13 | 2024 | Triskaidekaphobia | 187 | 13th Floor | Rob Louie | [35] |
| 14 | 2025 | Black Cat | 197 | CLAWSTRIKE | Rémi Vansteelandt | [36] |
References
[edit]- ^ Booker, Logan (8 October 2018). "These Amazing Browser Games Are 13 Kilobytes Or Less In Size". Kotaku. Archived from the original on October 7, 2018. Retrieved 22 September 2021.
- ^ "js13kGames Rules". js13kGames. Retrieved 22 September 2021.
- ^ Castledine, Earle (2018). Html5 games : novice to ninja. Sitepoint Pty Ltd. ISBN 9781492065425. Retrieved 22 September 2021.
- ^ Kubow, Ania (31 December 2020). "20 Award-Winning 13-Kilobyte JavaScript Games You Can Play in Your Browser – js13k 2020 Winners". freeCodeCamp.org. Retrieved 22 September 2021.
- ^ van der Spuy, Rex (2017). The Advanced Game Developer's Toolkit: Create Amazing Web-based Games with JavaScript and HTML5 (1st ed.). Toronto, Ontario, Canada: Apress. ISBN 978-1484210987. Retrieved 22 September 2021.
- ^ Jones, Darren (2014). JavaScript: Novice to Ninja. SitePoint Pty. Ltd. ISBN 978-0992461225.
- ^ "Why are there so few female developers in video games industry?". BusinessCloud. Retrieved 22 September 2021.
- ^ Reilly, Lee. "Top 10 games from the JS13K 2020 competition". GitHub Blog. Retrieved 22 September 2021.
- ^ Zwiezen, Zack. "Wow, This Quake Clone Is Smaller Than A Word Doc". Kotaku. Retrieved 22 September 2021.
- ^ Bode, Karl. "This Real Time Strategy Game Is Just 13 Kilobytes". Vice. Retrieved 22 September 2021.
- ^ "Js13kGames: the tiniest HTML5 games". Creative Bloq. Retrieved 22 September 2021.
- ^ Tokuoka, Masaharu. "What knowledge is brought about by the game jam "js13k Games", making 13KB games with JavaScript in one month?". gamesIndustry.biz. Archived from the original on 27 September 2021. Retrieved 22 September 2021.
- ^ Depold, Sascha. "js13kGames — a review". eBay Tech. Archived from the original on 22 September 2021. Retrieved 22 September 2021.
- ^ Serrano, Fernando. "WebXR category in JS13KGames!". Mozilla Mixed Reality Blog. Archived from the original on 22 September 2021. Retrieved 22 September 2021.
- ^ "Top Picks from js13k 2019". Coil.com. Retrieved 22 September 2021.
- ^ "Enclave Games: A Grant for the Web Awardee". Grant for the Web. Archived from the original on 23 October 2021. Retrieved 22 September 2021.
- ^ @notch (7 September 2018). "Notch talks about his jS13kGames entry" (Tweet) – via Twitter.
- ^ "13kb-404". js13kGames. Retrieved 22 September 2021.
- ^ Andres, Giovanny. "An Interview With Giovanny Beltran, js13kgames Winner". Mozilla Hacks. Retrieved 22 September 2021.
- ^ "Jam Favorites: Js13kGames 2017". Big Boss Battle (B3). 2018-01-11. Retrieved 2022-01-04.
- ^ end3r. "Js13kGames - HTML5 and JavaScript Game Development Competition in just 13 kilobytes". js13kgames.com. Retrieved 2022-01-04.
{{cite web}}: CS1 maint: numeric names: authors list (link) - ^ end3r. "Brendan Eich on X". x.com. Retrieved 2024-07-02.
{{cite web}}: CS1 maint: numeric names: authors list (link) - ^ "js13kGames 2012 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2013 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2014 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2015 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2016 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2017 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2018 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2019 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2020 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2021 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2022 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2023 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2024 Results". js13kGames. Retrieved 22 October 2025.
- ^ "js13kGames 2025 Results". js13kGames. Retrieved 22 October 2025.