The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 117 mins. 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 225th firegene 🇮🇪 923 76 10ms 20 Feb 2026 225th blaztoma 🇱🇹 923 76 12ms 2 hours ago 243rd primo-ppcg 🇹🇭 921 44 359ms 12 Oct 2020 243rd MarcMush 🇫🇷 921 44 333ms 4 Jul 2021 243rd SirBogman 🇺🇸 921 44 402ms 1 Dec 2021 243rd DialFrost 🇸🇬 921 44 408ms 19 Nov 2022 243rd alemelis 921 44 380ms 9 Mar 2023 243rd ovs-code 🇩🇪 921 44 439ms 30 Oct 2023 243rd Yewzir 🇧🇪 921 44 395ms 28 Feb 2024 243rd pardouin 🇫🇷 921 44 383ms 8 Sep 2024 243rd Lv0Sys 🇵🇱 921 44 376ms 29 Nov 2025 252nd AdrienHache 🇫🇷 921 82 58ms 20 Mar 2024 253rd xsot 🇸🇬 920 63 543ms 28 Jan 2024 254th JayXon 🇺🇸 920 81 472ms 4 Mar 2022 255th JayXon 🇺🇸 919 75 133ms 19 Oct 2022 256th primo-ppcg 🇹🇭 919 85 95ms 21 Jan 2020 256th stefangimmillaro 919 85 92ms 6 Jan 2023 256th Lydxn 🇨🇦 919 85 98ms 23 Feb 2023 259th JayXon 🇺🇸 919 98 171ms 13 Jan 2022 259th kumavale 919 98 176ms 14 Jan 2022 259th nipzu 919 98 191ms 30 Apr 2022 259th andersk 🇺🇸 919 98 171ms 21 Nov 2022 259th elgan65536 🇺🇸 919 98 175ms 24 Sep 2023 259th lynn 919 98 172ms 13 Mar 2024 259th klixel 🇨🇦 919 98 178ms 28 Oct 2024 259th acotis 919 98 163ms 3 Feb 2025 259th snoozingnewt 🇨🇦 919 98 174ms 27 Nov 2025 259th sean-niemann 🇺🇸 919 98 181ms 7 Jan 2026 259th DialFrost 🇸🇬 919 98 173ms 7 Jan 2026 270th JayXon 🇺🇸 918 89 2ms 28 Dec 2022 270th sisyphus-ppcg 🇦🇺 918 89 2ms 7 Oct 2023 272nd janlelis 917 41 43ms 8 Apr 2019 272nd primo-ppcg 🇹🇭 917 41 42ms 13 Dec 2020 272nd olivermrose 🇺🇸 917 41 42ms 30 Aug 2021 272nd GrayJoKing 🇦🇺 917 41 42ms 29 Oct 2021 272nd JayXon 🇺🇸 917 41 43ms 29 Oct 2021 272nd Natanaelel 🇸🇪 917 41 43ms 29 Oct 2021 272nd ovs-code 🇩🇪 917 41 42ms 14 Feb 2023 272nd Steffan153 🇫🇮 917 41 61ms 31 May 2023 272nd tatzyr 🇯🇵 917 41 43ms 31 Dec 2024 272nd sean-niemann 🇺🇸 917 41 62ms 10 Mar 2025 282nd nwellnhof 🇩🇪 916 129 299ms 23 Aug 2020 282nd JayXon 🇺🇸 916 129 300ms 29 Mar 2021 282nd edsrzf 🇳🇿 916 129 292ms 27 Aug 2025 285th canissimia 🇦🇶 915 46 10ms 17 days ago 286th sean-niemann 🇺🇸 915 47 1,509ms 15 Feb 2026 286th edsrzf 🇳🇿 915 47 1,401ms 15 Feb 2026 286th Steffan153 🇫🇮 915 47 1,735ms 15 Feb 2026 289th jipsong 🇩🇪 912 67 96ms 13 Mar 2024 289th error256 912 67 95ms 12 Jul 2025 291st JayXon 🇺🇸 911 50 1,549ms 23 Sep 2021 291st error256 911 50 1,512ms 12 Jul 2025 293rd btnlq 911 76 477ms 8 May 2023 293rd AdrienHache 🇫🇷 911 76 438ms 24 Sep 2025 293rd Yax42 🇫🇷 911 76 462ms 24 Sep 2025 296th Constructor7 911 77 12ms 23 Feb 2018 296th dzhang314 911 77 11ms 14 Aug 2019 296th petar-donchev 911 77 12ms 27 Aug 2019 296th andre-lameirinhas 🇵🇹 911 77 11ms 24 Jan 2020 296th kmaork 🇮🇱 911 77 12ms 21 Feb 2020 296th yzhs 🇩🇪 911 77 12ms 1 Mar 2020 296th loserface69 911 77 12ms 16 Mar 2020 296th davitf 911 77 12ms 3 Jul 2020 296th SirBogman 🇺🇸 911 77 18ms 5 Oct 2020 296th prplz 🇦🇺 911 77 18ms 5 Oct 2020 296th Attero 🇸🇪 911 77 11ms 31 Oct 2020 296th NewDefectus 🇮🇱 911 77 16ms 1 Nov 2020 296th rak1507 🇬🇧 911 77 10ms 22 Dec 2020 296th nwellnhof 🇩🇪 911 77 19ms 14 Jan 2021 296th 77Tigers 911 77 11ms 1 Mar 2021 296th inventshah 911 77 10ms 12 Apr 2021 296th RDShah 911 77 10ms 15 Apr 2021 296th jared-hughes 911 77 10ms 15 Aug 2021 296th cubed-guy 911 77 11ms 17 Nov 2021 296th mokymok 🇺🇸 911 77 11ms 23 Nov 2021 296th knutae 🇳🇴 911 77 11ms 26 Nov 2021 296th CedricGebistorf 911 77 11ms 5 Mar 2022 296th MeWhenI 🇻🇦 911 77 11ms 27 Apr 2022 296th ZakkkkAttackkkk 🇵🇭 911 77 11ms 11 Jun 2022 296th vhoulbreque 🇫🇷 911 77 11ms 20 Aug 2022 First Prev 241–320 of 2,705 Next Last