Kolakoski Sequence in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 822nd Omega65536 🇩🇪 688 73 13ms 24 Nov 2022 822nd sandorstormen 688 73 12ms 18 Feb 2023 822nd Mr-McChicken 688 73 12ms 15 Oct 2023 822nd Masttest 688 73 10ms 21 Feb 2024 830th msbranicky 688 95 7ms 11 Aug 2023 831st JGDoerrer 688 103 425ms 5 Jan 2022 831st tailorspy 688 103 74ms 29 Oct 2023 833rd Shanethegamer 🇺🇸 688 106 19ms 4 Oct 2024 834th GolfingSuccess 🇬🇷 686 69 35ms 17 Aug 2024 835th Andriamanitra 🇫🇮 686 95 186ms 20 Jul 2023 836th DialFrost 🇸🇬 684 67 154ms 3 Aug 2024 837th MeWhenI 🇻🇦 684 72 383ms 15 Feb 2023 837th Yewzir 🇧🇪 684 72 421ms 5 Apr 2024 839th madex 🇩🇪 683 79 2ms 11 Jul 2024 840th AdrienHache 🇫🇷 682 41 54ms 23 Oct 2023 841st msbranicky 682 89 2ms 26 Sep 2023 842nd Yewzir 🇧🇪 680 90 339ms 14 Oct 2023 843rd jameslindesay 679 74 12ms 24 Feb 2021 843rd PkmnQ 679 74 50ms 5 May 2024 843rd HumanoidCPU 679 74 12ms 3 Jun 2024 843rd RedzGoose 🇦🇺 679 74 11ms 14 Oct 2024 843rd yokasuretsu 679 74 12ms 13 Jan 2025 848th Shanethegamer 🇺🇸 677 126 27ms 8 Jul 2021 849th dokutan 676 59 3ms 18 Jul 2025 850th msbranicky 674 80 5ms 11 Oct 2023 851st janbehrens 🇩🇪 672 68 1,067ms 9 Apr 2021 852nd AdrienHache 🇫🇷 672 91 333ms 31 Dec 2023 853rd rboath 671 58 121ms 8 Jan 2025 854th Trunksistor 🇫🇷 670 75 15ms 25 May 2022 854th celiendonze 🇨🇭 670 75 13ms 16 Jun 2023 854th qwjhvbxi 670 75 11ms 9 Feb 2024 854th wenbang24 670 75 14ms 6 Apr 2024 858th 5quiwyrm 669 54 223ms 5 Dec 2024 859th tatzyr 🇯🇵 669 63 39ms 29 Dec 2024 860th I-Love-47 🇺🇦 669 106 62ms 10 Feb 2022 861st CaedenHarper 🇨🇦 666 70 10ms 31 Jan 2025 862nd Natanaelel 🇸🇪 662 56 5ms 20 Jan 2024 863rd DialFrost 🇸🇬 662 75 112ms 3 Jun 2025 864th Waffle3z 661 76 13ms 20 Jan 2021 864th hellwue 661 76 13ms 16 Nov 2023 864th dokutan 661 76 18ms 24 Mar 2025 867th 77Tigers 661 114 149ms 9 Apr 2024 868th HumanoidCPU 657 73 457ms 3 Jun 2024 869th uttumuttu 🇫🇮 656 71 10ms 8 Jan 2022 869th olleicua 🇺🇸 656 71 13ms 20 Feb 2024 871st SirBogman 🇺🇸 656 108 61ms 3 Jan 2022 872nd emgordon154 655 70 150ms 6 Sep 2024 873rd dokutan 652 69 1,035ms 30 Aug 2025 874th f-tucker 652 77 11ms 2 Feb 2024 874th undefinedRyan 652 77 12ms 19 Apr 2025 874th Emutis 🇱🇹 652 77 12ms 12 Sep 2025 877th msbranicky 652 134 280ms 3 Oct 2023 878th olivermrose 🇺🇸 651 57 4ms 24 Aug 2021 879th dokutan 651 94 367ms 18 Jul 2025 880th boxjelly 648 65 37ms 11 Feb 2021 880th msbranicky 648 65 43ms 12 Sep 2023 882nd Bubbler-4 648 97 77ms 13 Sep 2023 883rd janbehrens 🇩🇪 648 135 262ms 13 Jun 2021 884th MeWhenI 🇻🇦 646 71 141ms 3 Aug 2024 885th Shanethegamer 🇺🇸 646 97 13ms 22 Dec 2023 886th jwhear 🇺🇸 646 171 1,766ms 1 Oct 2024 887th AkashTandon167 644 78 12ms 25 May 2021 887th jhpaques 🇫🇷 644 78 20ms 30 Nov 2022 889th johnnythedoggie 644 106 135ms 3 Mar 2021 890th SirBogman 🇺🇸 642 84 2ms 14 Dec 2021 891st annaproxy 641 93 99ms 24 Dec 2022 892nd KatieLG 🇬🇧 640 77 253ms 2 Oct 2022 893rd emgordon154 640 98 11ms 10 Dec 2024 894th CaedenHarper 🇨🇦 640 107 450ms 16 days ago 895th nephila-nacrea 🇬🇧 639 58 4ms 3 Feb 2021 896th NickTheEASDude 🇺🇸 639 95 2ms 1 Jul 2024 897th alomiF 639 102 139ms 4 Nov 2024 898th Maznek 638 73 13ms 30 Jun 2023 899th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 900th ashtraypettingzoo 🇺🇸 636 36 35ms 23 Feb 2023 First Prev 826–900 of 1,786 Next Last