The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 days. Why not try and solve them ahead of time?
Odious Numbers (Long) in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 44th steffan-polygolf 974 41 10ms 23 Feb 2023 44th PeterTillema 🇳🇱 974 41 10ms 3 Apr 2023 44th xsot 🇸🇬 974 41 10ms 5 Apr 2023 44th BREMAUCY 🇫🇷 974 41 9ms 24 Jul 2023 44th Rubiksmath 974 41 10ms 8 Aug 2023 44th Alessandro-Balconi 🇮🇹 974 41 10ms 16 Aug 2023 44th Yewzir 🇧🇪 974 41 10ms 17 Sep 2023 44th Attero 🇸🇪 974 41 10ms 23 Sep 2023 44th fuzzylojik-golf 🇺🇸 974 41 10ms 14 Oct 2023 44th GolfingSuccess 🇬🇷 974 41 10ms 17 Oct 2023 44th pardouin 🇫🇷 974 41 11ms 18 Oct 2023 44th Betuaredead 974 41 9ms 11 Nov 2023 44th keelimeguy 🇺🇸 974 41 10ms 16 Nov 2023 44th rucin93 🇵🇱 974 41 10ms 15 Jan 2024 44th duckyluuk 🇳🇱 974 41 11ms 18 Jan 2024 44th CaedenHarper 🇨🇦 974 41 10ms 23 Jul 2024 44th codingisgreatbutiamnot 974 41 10ms 26 Jul 2024 44th b-illy 🇬🇧 974 41 10ms 6 Aug 2024 44th khvdm 974 41 10ms 12 Aug 2024 44th Jacob385 974 41 9ms 13 Aug 2024 44th bizy-coder 974 41 10ms 13 Aug 2024 44th lukegustafson 🇺🇸 974 41 10ms 28 Sep 2024 44th FlyingPenguin223 974 41 11ms 29 Oct 2024 44th emgordon154 974 41 10ms 16 Nov 2024 44th wh3n3v3r 🇨🇿 974 41 10ms 16 Nov 2024 44th zacjl 974 41 9ms 11 Feb 2025 44th andrewjc2000 974 41 10ms 12 Mar 2025 44th plcc0 974 41 10ms 7 Apr 2025 44th Mukundan314 974 41 11ms 15 Apr 2025 44th KasperKivimaeki 🇫🇮 974 41 11ms 29 Jun 2025 44th wuduculfre 974 41 10ms 22 Jul 2025 44th edsrzf 🇳🇿 974 41 10ms 22 Jul 2025 44th Apataras 974 41 10ms 30 Aug 2025 44th InigoK 🇺🇸 974 41 10ms 17 Sep 2025 44th CornerMercury 🇬🇧 974 41 10ms 25 Sep 2025 44th ndren 974 41 10ms 25 Sep 2025 44th Babafaba 974 41 11ms 14 Oct 2025 44th luuumine 🇫🇷 974 41 11ms 15 Oct 2025 44th snoozingnewt 🇨🇦 974 41 10ms 25 Oct 2025 44th blaztoma 🇱🇹 974 41 10ms 15 Nov 2025 44th sunleonid 974 41 11ms 25 Nov 2025 44th 4atj 974 41 10ms 25 Nov 2025 44th ryyyn 🇺🇸 974 41 10ms 3 Dec 2025 44th dokutan 974 41 10ms 15 Feb 2026 44th FoxInTheClouds 974 41 11ms 17 Feb 2026 44th Flekay 🇩🇪 974 41 10ms 18 days ago 44th roelderickx 974 41 10ms 12 days ago 44th aksyristos 974 41 11ms 2 hours ago 129th GrayJoKing 🇦🇺 967 18 3ms 20 Mar 2025 130th ovs-code 🇩🇪 967 20 34ms 6 Sep 2022 130th Lydxn 🇨🇦 967 20 34ms 6 Sep 2022 130th HPWiz 🇳🇿 967 20 34ms 6 Sep 2022 130th prplz 🇦🇺 967 20 34ms 6 Sep 2022 130th 4hg 🇺🇸 967 20 35ms 6 Sep 2022 130th Bubbler-4 967 20 33ms 6 Sep 2022 130th SirBogman 🇺🇸 967 20 34ms 7 Sep 2022 130th GrayJoKing 🇦🇺 967 20 34ms 7 Sep 2022 130th primo-ppcg 🇹🇭 967 20 34ms 9 Sep 2022 130th nwellnhof 🇩🇪 967 20 34ms 11 Sep 2022 130th scpchicken 🇵🇼 967 20 34ms 1 Jan 2023 130th Steffan153 🇫🇮 967 20 34ms 11 Jan 2023 130th DialFrost 🇸🇬 967 20 33ms 25 Jan 2023 130th sean-niemann 🇺🇸 967 20 35ms 26 Jan 2023 130th ashtraypettingzoo 🇺🇸 967 20 33ms 24 Feb 2023 130th kurkale6ka 967 20 34ms 3 Jan 2024 130th jipsong 🇩🇪 967 20 32ms 20 Aug 2024 130th pardouin 🇫🇷 967 20 35ms 24 Sep 2024 130th Natanaelel 🇸🇪 967 20 32ms 8 Nov 2024 130th JayXon 🇺🇸 967 20 34ms 8 Mar 2025 130th fuzzylojik-golf 🇺🇸 967 20 34ms 21 Aug 2025 130th 2bular 967 20 34ms 25 Aug 2025 130th snoozingnewt 🇨🇦 967 20 33ms 3 Dec 2025 153rd nwellnhof 🇩🇪 957 22 201ms 11 Sep 2022 153rd GrayJoKing 🇦🇺 957 22 189ms 18 Oct 2023 155th rucin93 🇵🇱 957 39 11ms 6 Sep 2022 155th primo-ppcg 🇹🇭 957 39 10ms 9 Sep 2022 155th sean-niemann 🇺🇸 957 39 12ms 27 Feb 2023 155th Steffan153 🇫🇮 957 39 11ms 6 Mar 2023 155th JayXon 🇺🇸 957 39 11ms 13 Jun 2023 155th Lydxn 🇨🇦 957 39 9ms 16 Jun 2023 First Prev 81–160 of 2,566 Next Last
