The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 6 days. Why not try and solve them ahead of time?
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Achievements Cheevos Holes Languages Medals Miscellaneous All 🍃 Turn over a New Leaf 📺 Prime Time 🥰 Hugs and Kisses 🥧 Pi Day 🌌 May the 4ᵗʰ Be with You 🍕 How about Second Pi? 🇺🇸 Independence Day 🎂 Happy Birthday, Code Golf 🧛 Vampire Byte 🎅 Twelvetide 🗳️ Like, Comment, Subscribe ⭐ My God, It’s Full of Stars 💾 Patches Welcome 💼 Interview Ready 🧙 Alchemist 🥣 Alphabet Soup 📚 Archivist 🪛 Assembly Required 🐦 Bird Is the Word ☕ Caffeinated 🎳 COBOWL 🔟 Count to Ten 👄 Dammit, Janet! 🔩 Down to the Metal 🐘 ElePHPant in the Room 🏥 Emergency Room 😈 Evil Scheme 🐟 Fish ’n’ Chips 🚩 Flag Those Mines 🦄 Full Stack Dev 🏞️ Go Forth! 📫 Going Postal 🍀 Happy-Go-Lucky 🍯 Hextreme Agony 🐎 Horse of a Different Color 🧠 Inception 💍 Jeweler 😛 Just Kidding 🐑 Mary Had a Little Lambda 🧭 Never Eat Shredded Wheat 📴 Off-the-grid 🐍 Ouroboros 🔠 Pangramglot 🍹 Piña Colada 🛟 Ring Toss 🎮 S-box 360 💬 Simon Sed 🥢 Sinosphere 🪞 Solve Quine 🎺 Sounds Quite Nice 🧑💻 TeXnical Know-how 🐪 Tim Toady ⌨️ Typesetter 🗜 Under Pressure 💡 Watt Are You Doing? 🏛️ When in Rome ❌ X-Factor 🌠 Zoodiac Signs 🎣 Catch of the Week 🏰 Hold the Fort(night) 🌝 Once in a Blue Moon 🪲 Eight Days a Week 🪱 Early Bird Catches the Worm 📜 Out of Spec 🍷 Aged like Fine Wine ☣️ Biohazard 🧪 Black-box Testing 🌈 Different Strokes 🔦 Double-slit Experiment 🏝️ No Man Is an Island 🔣 Polyglot 🍖 Polyglutton 🕉️ Omniglot 🍱 Omniglutton 🦋 Real Programmers 🗑️ rm -rf 📕 RTFM 🦥 Slowcoach 🥪 Smörgåsbord 🥡 Takeout 🧶 tl;dr 👋 Hello, World! 🏌️ Fore! 🎸 Up to Eleven 🍞 Baker’s Dozen 🍺 The Watering Hole 🃏 Blackjack 🔞 Rule 34 😴 Forty Winks 👍 DON’T PANIC! 🎯 Bullseye 🚗 Gone in 60 Holes 👅 Cunning Linguist 🚢 Phileas Fogg 🖥️ x86 📐 Right On! 🎈 Neunundneunzig Luftballons 💯 Centenarian 🦫 Busy Beaver 🪄 Disappearing Act ❗ Five! 👾 8-Bit Wonder 👁️ Big Brother 🐉 It’s Over 9000! 🐋 Twenty Kiloleagues 🏃 Marathon Runner 🪦 0xDEAD ⛲ Overflowing 🚀 Into Space! All Date Specific Turn over a New Leaf 🍃 Prime Time 📺 Hugs and Kisses 🥰 Pi Day 🥧 May the 4ᵗʰ Be with You 🌌 How about Second Pi? 🍕 Independence Day 🇺🇸 Happy Birthday, Code Golf 🎂 Vampire Byte 🧛 Twelvetide 🎅 GitHub Like, Comment, Subscribe 🗳️ My God, It’s Full of Stars ⭐ Patches Welcome 💾 Hole/Lang Specific Interview Ready 💼 Alchemist 🧙 Alphabet Soup 🥣 Archivist 📚 Assembly Required 🪛 Bird Is the Word 🐦 Caffeinated ☕ COBOWL 🎳 Count to Ten 🔟 Dammit, Janet! 👄 Down to the Metal 🔩 ElePHPant in the Room 🐘 Emergency Room 🏥 Evil Scheme 😈 Fish ’n’ Chips 🐟 Flag Those Mines 🚩 Full Stack Dev 🦄 Go Forth! 🏞️ Going Postal 📫 Happy-Go-Lucky 🍀 Hextreme Agony 🍯 Horse of a Different Color 🐎 Inception 🧠 Jeweler 💍 Just Kidding 😛 Mary Had a Little Lambda 🐑 Never Eat Shredded Wheat 🧭 Off-the-grid 📴 Ouroboros 🐍 Pangramglot 🔠 Piña Colada 🍹 Ring Toss 🛟 S-box 360 🎮 Simon Sed 💬 Sinosphere 🥢 Solve Quine 🪞 Sounds Quite Nice 🎺 TeXnical Know-how 🧑💻 Tim Toady 🐪 Typesetter ⌨️ Under Pressure 🗜 Watt Are You Doing? 💡 When in Rome 🏛️ X-Factor ❌ Zoodiac Signs 🌠 Holes of the Week Catch of the Week 🎣 Hold the Fort(night) 🏰 Once in a Blue Moon 🌝 Eight Days a Week 🪲 Early Bird Catches the Worm 🪱 Out of Spec 📜 Miscellaneous Aged like Fine Wine 🍷 Biohazard ☣️ Black-box Testing 🧪 Different Strokes 🌈 Double-slit Experiment 🔦 No Man Is an Island 🏝️ Polyglot 🔣 Polyglutton 🍖 Omniglot 🕉️ Omniglutton 🍱 Real Programmers 🦋 rm -rf 🗑️ RTFM 📕 Slowcoach 🦥 Smörgåsbord 🥪 Takeout 🥡 tl;dr 🧶 Total Holes Hello, World! 👋 Fore! 🏌️ Up to Eleven 🎸 Baker’s Dozen 🍞 The Watering Hole 🍺 Blackjack 🃏 Rule 34 🔞 Forty Winks 😴 DON’T PANIC! 👍 Bullseye 🎯 Gone in 60 Holes 🚗 Cunning Linguist 👅 Phileas Fogg 🚢 x86 🖥️ Right On! 📐 Neunundneunzig Luftballons 🎈 Centenarian 💯 Busy Beaver 🦫 Disappearing Act 🪄 Five! ❗ 8-Bit Wonder 👾 Total Points Big Brother 👁️ It’s Over 9000! 🐉 Twenty Kiloleagues 🐋 Marathon Runner 🏃 0xDEAD 🪦 Overflowing ⛲ Into Space! 🚀 # Golfer Count Earned 158th rollershutter 46 / 109 17 Nov 2025 162nd xyangst 45 / 109 23 Sep 2025 162nd jatloe 45 / 109 20 Jan 2026 162nd Pyroan 45 / 109 1 Feb 2026 162nd vhoulbreque 🇫🇷 45 / 109 14 Feb 2026 162nd xsot 🇸🇬 45 / 109 17 Feb 2026 162nd hiichbindermax 45 / 109 24 days ago 162nd Just4FunCoder 45 / 109 15 days ago 162nd Flekay 🇩🇪 45 / 109 11 days ago 162nd LostSyntax21 🇬🇧 45 / 109 4 days ago 171st rifatx 44 / 109 24 Jul 2024 171st sciencejiho 44 / 109 29 May 2025 171st o0lit3 🇺🇸 44 / 109 10 Jan 2026 171st bizy-coder 44 / 109 17 Feb 2026 171st andrewjc2000 44 / 109 19 Feb 2026 171st Ripick 44 / 109 9 days ago 171st Emutis 🇱🇹 44 / 109 2 days ago 178th tomtheisen 🇺🇸 43 / 109 1 Jul 2025 178th ahmetdemirag 🇨🇾 43 / 109 2 Feb 2026 178th IISResetMe 43 / 109 23 days ago 181st arctouch-cristiannevianna 42 / 109 4 Jul 2024 181st RedzGoose 🇦🇺 42 / 109 14 Mar 2025 181st galloj 🇨🇿 42 / 109 27 Jun 2025 181st thisishowmymindworks 🇳🇴 42 / 109 27 Jun 2025 185th aalec 41 / 109 22 Nov 2025 185th guilhem-roy 🇫🇷 41 / 109 22 Nov 2025 185th OllieBoyne 🇬🇧 41 / 109 11 Dec 2025 185th CheeseCake628 🇳🇴 41 / 109 1 Jan 2026 185th marcin7Cd 41 / 109 10 Jan 2026 185th mwarvik 🇳🇴 41 / 109 1 Feb 2026 185th kumavale 41 / 109 14 Feb 2026 185th frankgraziano 41 / 109 21 Feb 2026 185th raphaelimahorn 41 / 109 9 days ago 194th eiburns 40 / 109 4 Jul 2024 194th SniperSmiley 🇺🇸 40 / 109 4 Jul 2024 194th andre-lameirinhas 🇵🇹 40 / 109 23 Jul 2024 194th inverseLorentz 🇦🇺 40 / 109 27 Dec 2024 194th Feniske 🇫🇷 40 / 109 14 Feb 2025 194th snyderek 🇺🇸 40 / 109 22 Jan 2026 194th kevinnaviapaiva 40 / 109 23 Feb 2026 194th khvdm 40 / 109 11 days ago 194th Matter1024 🇮🇳 40 / 109 11 days ago 194th cefqrn 40 / 109 3 days ago 194th btjones0 40 / 109 12 hours ago 205th Betuaredead 39 / 109 4 Jan 2024 205th jakobkordez 🇸🇮 39 / 109 4 Jul 2024 205th twocatsinatrenchcoat 39 / 109 4 Jul 2024 205th olivermrose 🇺🇸 39 / 109 2 Oct 2024 205th tayloia 🇬🇧 39 / 109 27 Jun 2025 205th iczelia 🇩🇪 39 / 109 25 Oct 2025 205th Zach1031 39 / 109 23 Nov 2025 205th TheZwierzLF 🇵🇱 39 / 109 9 Jan 2026 205th Bulmenisaurus 39 / 109 1 Feb 2026 205th zacjl 39 / 109 10 days ago 205th Languag3 39 / 109 5 days ago 216th LHLaurini 🇧🇷 38 / 109 29 Apr 2025 216th JOrE-Softwares 38 / 109 12 Jun 2025 216th Bubbler-4 38 / 109 27 Jun 2025 216th kkoenig 38 / 109 5 Sep 2025 216th Mikey-Beep 🇬🇧 38 / 109 5 Oct 2025 216th ArmaanAS 38 / 109 10 Jan 2026 216th c0d3-4-F00d 🇩🇪 38 / 109 10 Jan 2026 216th DaCuteRaccoon 38 / 109 10 Jan 2026 216th mokymok 🇺🇸 38 / 109 10 Jan 2026 216th RYNO8 38 / 109 10 Jan 2026 216th nstearns96 🇬🇧 38 / 109 26 Jan 2026 216th mousetail 🇳🇱 38 / 109 3 Feb 2026 216th BambooleanLogic 🇸🇪 38 / 109 22 days ago 216th firegene 🇮🇪 38 / 109 22 days ago 216th Openstreetmapler 38 / 109 9 days ago 216th AstroOrbis 38 / 109 2 days ago 232nd bwat2 37 / 109 4 Jul 2024 232nd CedricGebistorf 37 / 109 4 Jul 2024 232nd ridingqwerty 🇺🇸 37 / 109 7 Jan 2025 232nd nephila-nacrea 🇬🇧 37 / 109 14 Feb 2025 232nd ian-h-chamberlain 🇺🇸 37 / 109 9 Oct 2025 232nd Bonjour27891 🇻🇳 37 / 109 10 Jan 2026 232nd epic-programmer-guy 37 / 109 10 Jan 2026 232nd alexsave 37 / 109 19 Jan 2026 232nd cros107 🇦🇺 37 / 109 4 Feb 2026 First Prev 161–240 of 11,854 Next Last