The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 8 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 641st emgordon154 866 86 479ms 29 May 2025 642nd WhoisDavid 866 104 267ms 19 Sep 2020 642nd btjones0 866 104 252ms 26 Dec 2020 642nd Eolu 866 104 256ms 17 Jan 2022 642nd ian-h-chamberlain 🇺🇸 866 104 187ms 23 Nov 2025 646th ovs-code 🇩🇪 865 46 27ms 5 May 2023 647th MeWhenI 🇻🇦 865 67 551ms 24 May 2024 647th dokutan 865 67 498ms 20 Jun 2024 647th albanian-laundromat 865 67 507ms 9 Aug 2025 647th commandz0 🇺🇸 865 67 460ms 1 Sep 2025 647th snoozingnewt 🇨🇦 865 67 444ms 27 Nov 2025 652nd sisyphus-ppcg 🇦🇺 865 105 4ms 13 Sep 2022 652nd Shanethegamer 🇺🇸 865 105 4ms 17 Apr 2023 652nd DialFrost 🇸🇬 865 105 4ms 18 Feb 2026 655th DialFrost 🇸🇬 865 174 1,680ms 22 Jan 2026 656th edsrzf 🇳🇿 863 71 150ms 28 Nov 2025 656th DialFrost 🇸🇬 863 71 101ms 28 Nov 2025 656th emgordon154 863 71 116ms 4 Dec 2025 656th snoozingnewt 🇨🇦 863 71 121ms 5 Dec 2025 660th primo-ppcg 🇹🇭 863 137 303ms 29 May 2020 661st 2bular 862 36 36ms 42 hours ago 662nd dloscutoff 862 47 322ms 27 Nov 2018 663rd elisherer 🇮🇱 862 66 10ms 16 Apr 2019 663rd thisishowmymindworks 🇳🇴 862 66 11ms 14 Aug 2020 663rd Athe81 862 66 13ms 5 Nov 2020 663rd Shanethegamer 🇺🇸 862 66 11ms 26 Jan 2021 663rd BBoehm 🇩🇪 862 66 11ms 3 Feb 2021 663rd AlephSquirrel 862 66 11ms 29 Dec 2022 663rd madeforlosers 862 66 14ms 10 Oct 2023 663rd KaleChips22 862 66 10ms 21 Jul 2025 663rd vhoulbreque 🇫🇷 862 66 10ms 2 Dec 2025 672nd marcin7Cd 861 95 7ms 6 Feb 2021 672nd primo-ppcg 🇹🇭 861 95 7ms 8 Feb 2021 672nd AlephSquirrel 861 95 7ms 25 Oct 2024 675th DialFrost 🇸🇬 860 94 1,394ms 25 Apr 2025 675th dokutan 860 94 1,333ms 18 Aug 2025 677th primo-ppcg 🇹🇭 860 95 2ms 26 Apr 2022 678th edsrzf 🇳🇿 860 118 28ms 6 Feb 2026 679th btnlq 859 49 4ms 15 Nov 2022 680th MeWhenI 🇻🇦 859 53 1,512ms 13 Nov 2022 681st bluebear94 858 36 105ms 23 Dec 2017 681st mcreenan 858 36 110ms 29 Dec 2017 681st labster 858 36 123ms 25 Feb 2018 681st somebody1234 858 36 104ms 3 Jun 2018 681st elisherer 🇮🇱 858 36 104ms 13 Apr 2019 681st retrohun 858 36 107ms 26 Apr 2019 681st Attero 🇸🇪 858 36 108ms 10 Apr 2020 681st rucin93 🇵🇱 858 36 111ms 7 Sep 2020 681st olivermrose 🇺🇸 858 36 114ms 20 Sep 2021 681st Natanaelel 🇸🇪 858 36 102ms 30 Sep 2021 681st Shanethegamer 🇺🇸 858 36 113ms 24 Dec 2021 681st akshatj27 🇦🇶 858 36 111ms 11 Jan 2022 681st krcs 🇵🇱 858 36 120ms 21 Apr 2022 681st janbehrens 🇩🇪 858 36 121ms 28 May 2022 681st MeWhenI 🇻🇦 858 36 118ms 4 Aug 2022 681st trist224 🇫🇷 858 36 103ms 28 Nov 2022 681st scpchicken 🇵🇼 858 36 113ms 2 Jan 2023 681st neel11235813 858 36 111ms 3 Feb 2023 681st DialFrost 🇸🇬 858 36 102ms 7 Feb 2023 681st ovs-code 🇩🇪 858 36 115ms 14 Feb 2024 681st CaedenHarper 🇨🇦 858 36 119ms 25 Aug 2024 681st pardouin 🇫🇷 858 36 111ms 8 Sep 2024 681st HumanoidCPU 858 36 107ms 5 Nov 2024 704th DialFrost 🇸🇬 858 78 164ms 16 Feb 2026 705th Artemis21 🇬🇧 857 105 245ms 31 Dec 2024 706th inventshah 857 106 4ms 13 Sep 2022 707th Sandpaper567 855 82 10ms 12 Aug 2018 707th Dazza314 🇬🇧 855 82 11ms 4 Nov 2020 707th RYNO8 855 82 11ms 3 Sep 2021 707th Fishron 855 82 17ms 20 Oct 2021 707th dzshn 855 82 11ms 17 Aug 2022 707th TheBlupper 855 82 11ms 28 Oct 2022 707th Just4FunCoder 855 82 11ms 22 Mar 2023 707th janbehrens 🇩🇪 855 82 17ms 17 Jun 2023 707th gabe-gallegos 855 82 10ms 12 May 2024 707th PixelSoftwareStudios 🇺🇸 855 82 11ms 3 Aug 2024 707th NanduBC 855 82 13ms 3 Sep 2024 707th Troon 855 82 18ms 18 Feb 2025 707th snooze92 🇫🇷 855 82 11ms 5 Mar 2025 707th heanyang1 855 82 11ms 4 Jul 2025 First Prev 641–720 of 2,703 Next Last