Starting in **2025**, the fun challenges will be on a single fun challenges web page ( https://www.ioccc.org/2025/challenge.html ) for each contest.

There are still some fun challenges for **IOCCC29** that are **OPEN**.

Have you managed to solve any of them? If your solution is the first to be accepted as valid, **youโ€™ll get the credit**!

Also, check out the FAQ on โ€œsubmit a fun challenge solution" ( https://www.ioccc.org/faq.html#solve_fun_challenge ).

#ioccc #ioccc29

Fun challenges for IOCCC year 2025 - The 29th IOCCC

IOCCC Year 2025

@jaypatelani

So yesterday #IOCCC29 awards were announced. See the final results.

FYI I develop my entries on @netbsd for maximum portability across BSD and umm well Linux (cough) - Install everywhere, work everywhere.

#NetBSD helps make the magic happen. Thank you.

IOCCC29 Winning Entries | IOCCC Awards Presentation and Source Code Reveal

YouTube

The winners of IOCCC29 have been announced and posted!

For the IOCCC winner repo:

https://github.com/ioccc-src/winner

For the 2025 directory of the website:

https://www.ioccc.org/2025/index.html

To download the IOCCC29 tarball:

https://www.ioccc.org/2025/2025.tar.bz2

To submit a fix to the website:

https://www.ioccc.org/faq.html#fix_website

P.S. We will be updating the 2025 directory tree and tarball as pull requests come in over the next few weeks.

#ioccc #ioccc29

GitHub - ioccc-src/winner: Winners of the International Obfuscated C Code Contest

Winners of the International Obfuscated C Code Contest - ioccc-src/winner

GitHub

So today I won a category for the 8th time in the @ioccc My involvement has spanned four decades to my surprise thanks to @theregister pointing it out last year (ageism fodder) . Thank you to those believers in my other diverse works for their support.

๐Ÿ‘พ

#ioccc29 #ioccc

I'm a #IOCCC29 WINNER !!! Frack'n Eh!

#IOCCC

IOCCC29 Winning Entries | IOCCC Awards Presentation and Source Code Reveal

YouTube

@netbsd

Oh. Same day (today) as the @ioccc 29th contest awards show. Try to finish before 2026-06-06T18:00:00Z so you can come watch.

#IOCCC #IOCCC29

https://fosstodon.org/@ioccc/116653427134338402

IOCCC (@[email protected])

Good news @everyone, ๐Ÿค“ The winning entries of IOCCC29 are currently scheduled for 2026 June 6 at 11:00 Pacific == 18:00 UTC.  The live reveal will take place on the following Our Favorite Universe YouTube show: https://www.youtube.com/live/MoWCwZx1Swc The source will be posted at the show's end. For more info, see this free Patreon video: https://www.patreon.com/posts/update-on-of-159483826 Please help spread the word to various news and technology outlets.  The "official" news release is at: https://www.ioccc.org/news.html#20260527 #ioccc #ioccc29

Fosstodon

Good news @everyone :nerd::bangbang:

The winners of **IOCCC29** will be released in less than 74,000 seconds, which is about 1234 minutes, or about 20.5 hours from the time of this post.

We will announce the winners of IOCCC29 on the Our Favorite Universe YouTube Channel (https://www.youtube.com/@OurFavoriteUniverse) on June 6, 2026, at 11:00 (11AM) Pacific Time:

https://www.youtube.com/live/MoWCwZx1Swc

You may also wish to watch our free Patreon video:

https://www.patreon.com/posts/less-than-74000-160280377

#ioccc #ioccc29

Our Favorite Universe

Welcome to Our Favorite Universe, where we will explore Our Favorite Universe from the perspective of Science and Math.

YouTube

Correction:

The winning entries of IOCCC29 are currently scheduled for 2026 June 6 at 11:00 Pacific == 18:00 UTC. The live reveal will take place on the following Our Favorite Universe YouTube show:

https://www.youtube.com/live/MoWCwZx1Swc

The source will be posted at the show's end.

#ioccc #ioccc29

IOCCC29 Winning Entries | IOCCC Awards Presentation and Source Code Reveal

YouTube

Good news @everyone, ๐Ÿค“

The winning entries of IOCCC29 are currently scheduled for 2026 June 6 at 11:00 Pacific == 18:00 UTC.  The live reveal will take place on the following Our Favorite Universe YouTube show:

https://www.youtube.com/live/MoWCwZx1Swc

The source will be posted at the show's end.

For more info, see this free Patreon video:

https://www.patreon.com/posts/update-on-of-159483826

Please help spread the word to various news and technology outlets.  The "official" news release is at:

https://www.ioccc.org/news.html#20260527

#ioccc #ioccc29

IOCCC29 Winning Entries | IOCCC Awards Presentation and Source Code Reveal

YouTube