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 241st trist224 🇫🇷 36 / 109 21 Oct 2024 241st atazzam 🇺🇸 36 / 109 14 Feb 2025 241st fourth-bit 36 / 109 27 Jun 2025 241st mbittner20 36 / 109 5 Oct 2025 241st amazingalek 🇳🇴 36 / 109 26 Jan 2026 241st stackofbears 36 / 109 2 Feb 2026 241st frosster 🇨🇦 36 / 109 14 Feb 2026 241st solisolu 36 / 109 11 days ago 249th dvargas46 🇺🇸 35 / 109 4 Jul 2024 249th elisherer 🇮🇱 35 / 109 4 Jul 2024 249th martinnorling 🇸🇪 35 / 109 4 Jul 2024 249th MaxElf999 35 / 109 4 Jul 2024 249th rvdnieuwendijk 🇳🇱 35 / 109 4 Jul 2024 249th rak1507 🇬🇧 35 / 109 23 Aug 2024 249th ehulinsky 🇺🇸 35 / 109 3 Apr 2025 249th Haksell 🇦🇶 35 / 109 4 May 2025 249th itsh01 35 / 109 27 Jun 2025 249th varhammer 35 / 109 4 Jul 2025 249th codereport 🇨🇦 35 / 109 16 Aug 2025 249th robin-scragg 35 / 109 31 Oct 2025 249th croc54 35 / 109 18 Nov 2025 249th dillon-duncando 35 / 109 10 Jan 2026 249th michelebastione 🇮🇹 35 / 109 19 Jan 2026 249th JDiLenarda 🇫🇷 35 / 109 30 Jan 2026 249th muser-logiccpu 🇺🇦 35 / 109 24 Feb 2026 249th Chinay-Domitrix 🇺🇸 35 / 109 8 days ago 267th dylanarmstrong 34 / 109 4 Jul 2024 267th HumanEquivalentUnit 34 / 109 4 Jul 2024 267th jeff-at-tamer-dot-codes 🇺🇸 34 / 109 4 Jul 2024 267th mothcolada 🇺🇸 34 / 109 4 Jul 2024 267th quimey 34 / 109 4 Jul 2024 267th StronkCheese 🇺🇸 34 / 109 4 Jul 2024 267th mrmena 🇦🇺 34 / 109 5 Jan 2025 267th ComputerKWasTaken 🇺🇸 34 / 109 31 May 2025 267th Argeento 🇵🇱 34 / 109 27 Jun 2025 267th typeswitch-dev 🇵🇹 34 / 109 27 Jun 2025 267th jerrandolph 34 / 109 29 Sep 2025 267th roupiq 🇵🇱 34 / 109 2 Oct 2025 267th Nyfii 34 / 109 29 Nov 2025 267th davecame 34 / 109 30 Dec 2025 267th akshatj27 🇦🇶 34 / 109 10 Jan 2026 282nd shellbertt 🇨🇦 33 / 109 2 Oct 2023 282nd knutae 🇳🇴 33 / 109 4 Jul 2024 282nd Re-Adventures 🇮🇳 33 / 109 4 Jul 2024 282nd jiaminglimjm 🇲🇾 33 / 109 5 Jul 2024 282nd ashtraypettingzoo 🇺🇸 33 / 109 31 Aug 2024 282nd Salutations45 33 / 109 10 Nov 2025 282nd Florian-Mt 33 / 109 20 Jan 2026 282nd FoxInTheClouds 33 / 109 19 Feb 2026 282nd bzijlema 🇳🇱 33 / 109 24 Feb 2026 282nd juliansiebert 🇩🇪 33 / 109 24 days ago 292nd theunofficialcoder 32 / 109 13 Jan 2024 292nd cafehaine 🇫🇷 32 / 109 4 Jul 2024 292nd TheCod-r 🇦🇶 32 / 109 4 Jul 2024 292nd GeorgeStechman 🇬🇧 32 / 109 5 Nov 2024 292nd 1231234md5 🇨🇳 32 / 109 6 Dec 2024 292nd coreynash 32 / 109 27 Jun 2025 292nd tobeannouncd 32 / 109 27 Jun 2025 292nd xnor-gate 32 / 109 27 Jun 2025 292nd Omega65536 🇩🇪 32 / 109 5 Aug 2025 292nd acollett89 32 / 109 8 Aug 2025 292nd radarek 🇵🇱 32 / 109 2 Oct 2025 292nd codewrite 🇬🇧 32 / 109 13 Jan 2026 292nd celiendonze 🇨🇭 32 / 109 21 Jan 2026 292nd sunleonid 32 / 109 16 Feb 2026 292nd NickTheEASDude 🇺🇸 32 / 109 20 days ago 292nd Aquateraneal 🇺🇸 32 / 109 16 days ago 292nd Europe2048 32 / 109 11 days ago 309th abailey2020 🇺🇸 31 / 109 4 Jul 2024 309th Dazza314 🇬🇧 31 / 109 4 Jul 2024 309th owen-c-parker 🇺🇸 31 / 109 2 Oct 2024 309th Pale-Vessel 31 / 109 5 Dec 2024 309th MaxCastella 🇫🇷 31 / 109 21 Jan 2025 309th gnlow 🇰🇷 31 / 109 14 Feb 2025 309th alphafalfa 31 / 109 26 May 2025 309th hacker112 🇸🇪 31 / 109 12 Jun 2025 309th marshallward 🇺🇸 31 / 109 23 Jul 2025 309th 4atj 31 / 109 25 Nov 2025 309th Sakisan 🇧🇪 31 / 109 10 Feb 2026 309th yhm138 31 / 109 16 Feb 2026 First Prev 241–320 of 11,854 Next Last