The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 2 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 611th wuduculfre 866 81 11ms 22 Jul 2025 642nd emgordon154 866 86 479ms 29 May 2025 643rd WhoisDavid 866 104 264ms 19 Sep 2020 643rd btjones0 866 104 256ms 26 Dec 2020 643rd Eolu 866 104 241ms 17 Jan 2022 643rd ian-h-chamberlain 🇺🇸 866 104 201ms 23 Nov 2025 647th ovs-code 🇩🇪 865 46 27ms 5 May 2023 648th MeWhenI 🇻🇦 865 67 551ms 24 May 2024 648th dokutan 865 67 498ms 20 Jun 2024 648th albanian-laundromat 865 67 507ms 9 Aug 2025 648th commandz0 🇺🇸 865 67 460ms 1 Sep 2025 648th snoozingnewt 🇨🇦 865 67 444ms 27 Nov 2025 653rd sisyphus-ppcg 🇦🇺 865 105 4ms 13 Sep 2022 653rd Shanethegamer 🇺🇸 865 105 4ms 17 Apr 2023 653rd DialFrost 🇸🇬 865 105 4ms 18 Feb 2026 656th DialFrost 🇸🇬 865 174 1,680ms 22 Jan 2026 657th edsrzf 🇳🇿 863 71 150ms 28 Nov 2025 657th DialFrost 🇸🇬 863 71 101ms 28 Nov 2025 657th emgordon154 863 71 116ms 4 Dec 2025 657th snoozingnewt 🇨🇦 863 71 121ms 5 Dec 2025 661st primo-ppcg 🇹🇭 863 137 303ms 29 May 2020 662nd 2bular 862 36 36ms 7 days ago 663rd dloscutoff 862 47 322ms 27 Nov 2018 664th elisherer 🇮🇱 862 66 11ms 16 Apr 2019 664th thisishowmymindworks 🇳🇴 862 66 11ms 14 Aug 2020 664th Athe81 862 66 11ms 5 Nov 2020 664th Shanethegamer 🇺🇸 862 66 10ms 26 Jan 2021 664th BBoehm 🇩🇪 862 66 12ms 3 Feb 2021 664th AlephSquirrel 862 66 11ms 29 Dec 2022 664th madeforlosers 862 66 11ms 10 Oct 2023 664th KaleChips22 862 66 11ms 21 Jul 2025 664th vhoulbreque 🇫🇷 862 66 11ms 2 Dec 2025 673rd marcin7Cd 861 95 7ms 6 Feb 2021 673rd primo-ppcg 🇹🇭 861 95 7ms 8 Feb 2021 673rd AlephSquirrel 861 95 7ms 25 Oct 2024 676th DialFrost 🇸🇬 860 94 1,394ms 25 Apr 2025 676th dokutan 860 94 1,333ms 18 Aug 2025 678th primo-ppcg 🇹🇭 860 95 2ms 26 Apr 2022 679th edsrzf 🇳🇿 860 118 28ms 6 Feb 2026 680th btnlq 859 49 4ms 15 Nov 2022 681st MeWhenI 🇻🇦 859 53 1,512ms 13 Nov 2022 682nd bluebear94 858 36 105ms 23 Dec 2017 682nd mcreenan 858 36 110ms 29 Dec 2017 682nd labster 858 36 123ms 25 Feb 2018 682nd somebody1234 858 36 104ms 3 Jun 2018 682nd elisherer 🇮🇱 858 36 104ms 13 Apr 2019 682nd retrohun 858 36 107ms 26 Apr 2019 682nd Attero 🇸🇪 858 36 108ms 10 Apr 2020 682nd rucin93 🇵🇱 858 36 111ms 7 Sep 2020 682nd olivermrose 🇺🇸 858 36 114ms 20 Sep 2021 682nd Natanaelel 🇸🇪 858 36 102ms 30 Sep 2021 682nd Shanethegamer 🇺🇸 858 36 113ms 24 Dec 2021 682nd akshatj27 🇦🇶 858 36 111ms 11 Jan 2022 682nd krcs 🇵🇱 858 36 120ms 21 Apr 2022 682nd janbehrens 🇩🇪 858 36 121ms 28 May 2022 682nd MeWhenI 🇻🇦 858 36 118ms 4 Aug 2022 682nd trist224 🇫🇷 858 36 103ms 28 Nov 2022 682nd scpchicken 🇵🇼 858 36 113ms 2 Jan 2023 682nd neel11235813 858 36 111ms 3 Feb 2023 682nd DialFrost 🇸🇬 858 36 102ms 7 Feb 2023 682nd ovs-code 🇩🇪 858 36 115ms 14 Feb 2024 682nd CaedenHarper 🇨🇦 858 36 119ms 25 Aug 2024 682nd pardouin 🇫🇷 858 36 111ms 8 Sep 2024 682nd HumanoidCPU 858 36 107ms 5 Nov 2024 705th DialFrost 🇸🇬 858 78 152ms 16 Feb 2026 706th Artemis21 🇬🇧 857 105 245ms 31 Dec 2024 707th inventshah 857 106 4ms 13 Sep 2022 708th Sandpaper567 855 82 10ms 12 Aug 2018 708th Dazza314 🇬🇧 855 82 11ms 4 Nov 2020 708th RYNO8 855 82 11ms 3 Sep 2021 708th Fishron 855 82 17ms 20 Oct 2021 708th dzshn 855 82 11ms 17 Aug 2022 708th TheBlupper 855 82 11ms 28 Oct 2022 708th Just4FunCoder 855 82 11ms 22 Mar 2023 708th janbehrens 🇩🇪 855 82 17ms 17 Jun 2023 708th gabe-gallegos 855 82 10ms 12 May 2024 708th PixelSoftwareStudios 🇺🇸 855 82 11ms 3 Aug 2024 708th NanduBC 855 82 13ms 3 Sep 2024 708th Troon 855 82 18ms 18 Feb 2025 708th snooze92 🇫🇷 855 82 11ms 5 Mar 2025 First Prev 641–720 of 2,704 Next Last