The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 7 days. Why not try and solve them ahead of time?
Pangram Grep in all languages in bytes. 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 Bytes Time Submitted 721st GrayJoKing 🇦🇺 855 96 8ms 26 Jul 2023 722nd canissimia 🇦🇶 855 111 3ms 8 May 2025 723rd prplz 🇦🇺 854 44 38ms 3 Jan 2020 723rd SirBogman 🇺🇸 854 44 39ms 17 Jan 2020 723rd jstanley0 854 44 46ms 12 Dec 2020 723rd rak1507 🇬🇧 854 44 45ms 22 Dec 2020 723rd gilufin 854 44 42ms 1 Jun 2021 723rd jbbarth 🇫🇷 854 44 38ms 13 Aug 2021 723rd akshatj27 🇦🇶 854 44 36ms 11 Jan 2022 723rd orthoplex 🇨🇽 854 44 43ms 30 Mar 2022 723rd KatieLG 🇬🇧 854 44 37ms 10 Apr 2022 723rd Andriamanitra 🇫🇮 854 44 39ms 23 Sep 2022 723rd anter69 🇭🇺 854 44 37ms 1 Jun 2023 723rd Lv0Sys 🇵🇱 854 44 40ms 29 Nov 2025 735th sean-niemann 🇺🇸 854 66 7ms 20 Feb 2026 736th saito-ta 🇯🇵 853 47 15ms 24 Nov 2023 736th retrohun 853 47 30ms 27 Sep 2024 738th xsot 🇸🇬 851 71 2ms 14 Dec 2025 739th Shanethegamer 🇺🇸 851 88 443ms 6 Nov 2021 739th primo-ppcg 🇹🇭 851 88 433ms 6 Nov 2021 739th Lydxn 🇨🇦 851 88 448ms 7 Nov 2021 739th MichalMarsalek 🇨🇿 851 88 436ms 20 Jan 2022 739th Steffan153 🇫🇮 851 88 442ms 21 Feb 2023 744th Shanethegamer 🇺🇸 851 128 44ms 13 Feb 2025 744th kg583 🇺🇸 851 128 43ms 13 Feb 2025 744th edsrzf 🇳🇿 851 128 42ms 3 Feb 2026 747th fuzzylojik-golf 🇺🇸 850 36 5ms 21 Jul 2025 748th error256 850 205 1,538ms 12 Jul 2025 749th cryosis7 849 67 11ms 14 Nov 2020 749th KasperKivimaeki 🇫🇮 849 67 11ms 8 May 2025 751st btnlq 849 85 24ms 16 Dec 2021 752nd arjanadriaanse 🇳🇱 848 116 137ms 26 Nov 2021 753rd ovs-code 🇩🇪 847 69 162ms 4 Aug 2024 753rd pardouin 🇫🇷 847 69 138ms 8 Oct 2024 755th h3ra993huskp 🇯🇵 847 103 544ms 30 Nov 2025 756th Yewzir 🇧🇪 846 178 1,959ms 14 Nov 2025 757th relet 845 83 11ms 8 Aug 2018 757th usnheckler 845 83 10ms 7 Jun 2019 757th raghav198 845 83 11ms 4 Nov 2020 757th Cloakless 🇬🇧 845 83 11ms 25 Oct 2021 757th CatsAreFluffy 845 83 17ms 30 Dec 2022 757th randolchance 845 83 10ms 12 Dec 2023 757th Grrisly 845 83 10ms 27 Mar 2024 757th mathieurodic 845 83 12ms 3 Nov 2025 757th jkiger93 845 83 11ms 17 Jan 2026 766th sean-niemann 🇺🇸 845 100 36ms 11 Jul 2025 766th DialFrost 🇸🇬 845 100 37ms 30 Dec 2025 768th dokutan 844 48 461ms 6 Mar 2021 769th MeWhenI 🇻🇦 844 129 45ms 11 Feb 2025 770th edsrzf 🇳🇿 843 114 8ms 27 days ago 771st Shanethegamer 🇺🇸 842 97 2ms 25 Feb 2023 771st mtirado1 842 97 2ms 17 Apr 2023 771st NickTheEASDude 🇺🇸 842 97 2ms 10 Sep 2024 771st Waffle3z 842 97 2ms 26 Dec 2025 771st FlyingPenguin223 842 97 2ms 29 Dec 2025 771st Steffan153 🇫🇮 842 97 2ms 11 Feb 2026 777th DialFrost 🇸🇬 840 82 109ms 17 Feb 2026 778th kaascevich 840 93 91ms 19 Jul 2025 779th snoozingnewt 🇨🇦 840 114 42ms 16 days ago 780th DialFrost 🇸🇬 839 37 35ms 27 Jan 2023 780th primo-ppcg 🇹🇭 839 37 36ms 24 Mar 2025 782nd NewDefectus 🇮🇱 839 72 2ms 15 Apr 2021 782nd tsunderu 🇯🇵 839 72 2ms 31 Aug 2021 782nd rhdqor213 839 72 2ms 2 Nov 2023 785th GrayJoKing 🇦🇺 838 121 33ms 8 Jan 2023 786th kg583 🇺🇸 838 134 118ms 8 Jan 2026 786th GolfingSuccess 🇬🇷 838 134 129ms 24 days ago 786th Steffan153 🇫🇮 838 134 82ms 31 hours ago 786th edsrzf 🇳🇿 838 134 81ms 29 hours ago 790th mintypython 837 68 13ms 19 Oct 2018 790th shraiwi 837 68 11ms 21 Aug 2019 790th Andrey-Plotnikov 837 68 10ms 10 Oct 2024 793rd primo-ppcg 🇹🇭 837 251 362ms 13 Aug 2025 794th rak1507 🇬🇧 835 25 3ms 10 Jan 2022 794th NewDefectus 🇮🇱 835 25 3ms 14 Jan 2022 794th Natanaelel 🇸🇪 835 25 3ms 21 Jan 2022 794th razetime 835 25 3ms 22 Aug 2022 794th gnuvince 835 25 3ms 29 Jun 2025 799th jaredcrystal 🇺🇸 835 45 41ms 14 Dec 2020 799th mrondon8 835 45 40ms 12 Sep 2021 First Prev 721–800 of 2,703 Next Last