The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
Pascal’s Triangle 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 637th aaronze 🇦🇺 869 47 33ms 23 Sep 2023 637th Just4FunCoder 869 47 35ms 1 Oct 2025 643rd MWI-polygolf 869 75 1ms 6 Dec 2023 643rd 2bt 869 75 1ms 26 Jan 2024 643rd steffan-polygolf 869 75 1ms 14 Feb 2024 646th JayXon 🇺🇸 869 151 1,630ms 8 Nov 2025 646th DialFrost 🇸🇬 869 151 1,637ms 17 Jan 2026 648th somebody1234 868 37 3ms 28 Mar 2018 648th janbehrens 🇩🇪 868 37 3ms 26 Aug 2020 648th MeWhenI 🇻🇦 868 37 3ms 9 Sep 2021 648th Natanaelel 🇸🇪 868 37 3ms 5 Jun 2022 648th DialFrost 🇸🇬 868 37 3ms 24 Jan 2023 648th scpchicken 🇵🇼 868 37 3ms 11 Mar 2023 648th pardouin 🇫🇷 868 37 3ms 15 Apr 2025 655th Shanethegamer 🇺🇸 868 76 108ms 11 Mar 2023 656th DialFrost 🇸🇬 868 88 494ms 12 Nov 2025 657th m-tkach 🇺🇦 866 71 2ms 22 Dec 2021 657th sisyphus-ppcg 🇦🇺 866 71 1ms 21 Jul 2022 657th MeWhenI 🇻🇦 866 71 2ms 7 May 2023 657th Herbert00709 🇵🇱 866 71 2ms 11 Jun 2025 661st Shanethegamer 🇺🇸 866 120 25ms 19 Mar 2023 661st janAkali 🇷🇺 866 120 26ms 5 Feb 2026 663rd MeWhenI 🇻🇦 866 134 1,507ms 28 Mar 2025 664th MeWhenI 🇻🇦 865 67 1ms 9 Oct 2023 665th primo-ppcg 🇹🇭 865 201 11ms 13 Aug 2025 666th justecorruptio 864 61 10ms 13 Apr 2018 666th skps2010 864 61 10ms 4 Jan 2019 666th markus-rekdal 864 61 10ms 7 Nov 2019 666th Srivaths-P 864 61 10ms 20 Feb 2020 666th Secozzi 864 61 10ms 3 Nov 2020 666th neihousaigaai 864 61 10ms 3 May 2021 666th cubed-guy 864 61 10ms 6 Oct 2021 666th CodyMiner 864 61 11ms 12 Nov 2021 666th trist224 🇫🇷 864 61 11ms 21 Sep 2022 666th kevdah 864 61 9ms 4 Oct 2022 666th isorlab49 864 61 10ms 3 May 2023 666th tobeannouncd 864 61 10ms 11 Jan 2024 666th BenjaminHGong 864 61 10ms 22 Jan 2024 666th croc54 864 61 10ms 11 Dec 2024 666th Andre3582 864 61 10ms 10 Oct 2025 666th Bmrl7 864 61 9ms 24 Dec 2025 682nd edsrzf 🇳🇿 863 29 111ms 14 Jan 2026 683rd DialFrost 🇸🇬 863 92 62ms 12 Nov 2025 684th btnlq 862 50 1ms 1 Nov 2022 685th edsrzf 🇳🇿 862 57 1,266ms 6 Feb 2026 686th namelessiw 862 84 425ms 9 Apr 2025 687th tomtheisen 🇺🇸 861 58 11ms 15 Oct 2020 687th janbehrens 🇩🇪 861 58 9ms 8 Jun 2021 687th prplz 🇦🇺 861 58 10ms 9 Jul 2021 687th MeWhenI 🇻🇦 861 58 11ms 27 Dec 2022 687th voytxt 🇨🇿 861 58 11ms 3 Sep 2023 687th pardouin 🇫🇷 861 58 10ms 3 Nov 2024 687th Salutations45 861 58 11ms 3 Oct 2025 694th edsrzf 🇳🇿 860 93 111ms 4 Dec 2025 695th Lydxn 🇨🇦 859 60 6ms 23 Dec 2023 696th laikoni 859 77 118ms 3 Mar 2019 696th JayXon 🇺🇸 859 77 113ms 2 Oct 2021 696th GrayJoKing 🇦🇺 859 77 116ms 16 Mar 2022 696th Shanethegamer 🇺🇸 859 77 122ms 19 May 2025 696th Natanaelel 🇸🇪 859 77 127ms 23 Jun 2025 696th edsrzf 🇳🇿 859 77 128ms 23 Dec 2025 702nd edsrzf 🇳🇿 859 99 33ms 12 days ago 702nd Steffan153 🇫🇮 859 99 32ms 7 days ago 702nd GolfingSuccess 🇬🇷 859 99 35ms 5 days ago 705th lynn 858 69 154ms 19 May 2021 705th sean-niemann 🇺🇸 858 69 153ms 16 Jan 2024 707th dokutan 858 76 2ms 6 Jun 2025 708th ovs-code 🇩🇪 858 132 6ms 31 Mar 2023 709th MeWhenI 🇻🇦 858 153 1,683ms 7 Nov 2025 710th GrayJoKing 🇦🇺 857 56 133ms 3 Aug 2024 711th rowan-OzRunways 857 77 93ms 13 Aug 2020 712th kg583 🇺🇸 856 66 4ms 29 Sep 2025 713th error256 855 62 61ms 28 Dec 2025 714th DialFrost 🇸🇬 854 72 2ms 12 Nov 2025 715th bstrautin 853 44 278ms 2 Aug 2020 716th ovs-code 🇩🇪 853 68 2ms 10 Oct 2023 716th GolfingSuccess 🇬🇷 853 68 1ms 14 Oct 2023 718th tailorspy 853 93 66ms 23 Oct 2025 719th MeWhenI 🇻🇦 853 204 12ms 19 Apr 2025 720th DialFrost 🇸🇬 852 67 7ms 17 Dec 2024 First Prev 641–720 of 3,064 Next Last