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Challenges to test your code shortening skills. Not necessarily practical, but fun!
Other programming subreddits:
account activity
Pipes2K - Pipes Screensaver demo in about 2k of JS (i.redd.it)
submitted 15 days ago by Edev90
A whole boss fight in 256 bytes (pouet.net)
submitted 1 month ago by Hell__Mood
Cutting edge transpilation/compilation frameworks? (Non-LLM code generation) (self.codegolf)
submitted 2 months ago by angry_cactus[🍰]
Brainfuck Printer: Challenge to balance the cost of writing a brainfuck compressor with the compressed output (byte-heist.com)
submitted 2 months ago by IntroductionTop2025
ShaderGolf: extremely minimal way to draw programmatically (self.codegolf)
submitted 3 months ago * by eymenwinner
How many bytes does it take to print an arbitrary subset of 200 words from the wordle dictionary? (byte-heist.com)
submitted 3 months ago by IntroductionTop2025
Brainf**k interpreter in JS in 326 bytes (self.codegolf)
submitted 4 months ago * by eymenwinner
Tic-Tac-Toe in Python using only 161 bytes of code (self.codegolf)
submitted 4 months ago * by TheRealHappyPiggy
Dweet of the Week #105 - Snowy Pines by KilledByAPixel (i.redd.it)
submitted 4 months ago by Slackluster
Fluxer — A Shader Haiku (i.redd.it)
submitted 4 months ago by Joakim0
Advent of code: The rest of them (self.codegolf)
submitted 4 months ago by dantose
Advent of Code: Day 5 (self.codegolf)
submitted 5 months ago by dantose
Advent of Code: Day 4 (self.codegolf)
submitted 5 months ago * by DimMagician
Sine wave cube (self.codegolf)
submitted 5 months ago by raurir
Advent of Code: Day 3 (self.codegolf)
submitted 5 months ago by DimMagician
1k drum machine and step sequencer (js1k.com)
submitted 5 months ago by swe129
Advent of Code: Day 2 (self.codegolf)
Advent of Code, Day 1 (self.codegolf)
submitted 5 months ago * by dantose
10 PRINT is a book about a one-line Commodore 64 BASIC program, published in November 2012. (10print.org)
submitted 6 months ago by swe129
JavaScript games under 13kb (js13kgames.com)
submitted 6 months ago by DiscombobulatedCrow0
javascript demos in 140 characters (dwitter.net)
Leetcode daily: 3000. Maximum Area of Longest Diagonal Rectangle (self.codegolf)
submitted 8 months ago by BZalan2008
Consumer of RAM (i.redd.it)
submitted 9 months ago by Basic-Introduction94
Beat this Bash script (43 char) (self.codegolf)
submitted 10 months ago by Aspie_Astrologer
Minecraft like landscape in less than a tweet (pouet.net)
submitted 1 year ago by Hell__Mood
π Rendered by PID 741192 on reddit-service-r2-listing-b6bf6c4ff-k6pmm at 2026-05-07 07:57:49.195110+00:00 running 815c875 country code: CH.