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 820th Mr-McChicken 688 73 12ms 15 Oct 2023 820th Masttest 688 73 10ms 21 Feb 2024 828th msbranicky 688 95 7ms 11 Aug 2023 829th JGDoerrer 688 103 425ms 5 Jan 2022 829th tailorspy 688 103 74ms 29 Oct 2023 831st Shanethegamer 🇺🇸 688 106 19ms 4 Oct 2024 832nd GolfingSuccess 🇬🇷 686 69 35ms 17 Aug 2024 833rd Andriamanitra 🇫🇮 686 95 186ms 20 Jul 2023 834th DialFrost 🇸🇬 684 67 154ms 3 Aug 2024 835th MeWhenI 🇻🇦 684 72 15 Feb 2023 835th Yewzir 🇧🇪 684 72 5 Apr 2024 837th madex 🇩🇪 683 79 2ms 11 Jul 2024 838th AdrienHache 🇫🇷 682 41 54ms 23 Oct 2023 839th msbranicky 682 89 2ms 26 Sep 2023 840th Yewzir 🇧🇪 680 90 339ms 14 Oct 2023 841st jameslindesay 679 74 12ms 24 Feb 2021 841st PkmnQ 679 74 50ms 5 May 2024 841st HumanoidCPU 679 74 12ms 3 Jun 2024 841st RedzGoose 🇦🇺 679 74 11ms 14 Oct 2024 841st yokasuretsu 679 74 12ms 13 Jan 2025 846th Shanethegamer 🇺🇸 677 126 27ms 8 Jul 2021 847th dokutan 676 59 3ms 18 Jul 2025 848th msbranicky 674 80 5ms 11 Oct 2023 849th janbehrens 🇩🇪 672 68 9 Apr 2021 850th AdrienHache 🇫🇷 672 91 333ms 31 Dec 2023 851st rboath 671 58 121ms 8 Jan 2025 852nd 5quiwyrm 669 54 223ms 5 Dec 2024 853rd tatzyr 🇯🇵 669 63 39ms 29 Dec 2024 854th Trunksistor 🇫🇷 669 75 15ms 25 May 2022 854th celiendonze 🇨🇭 669 75 13ms 16 Jun 2023 854th qwjhvbxi 669 75 11ms 9 Feb 2024 854th wenbang24 669 75 14ms 6 Apr 2024 858th I-Love-47 🇺🇦 669 106 62ms 10 Feb 2022 859th CaedenHarper 🇨🇦 666 70 10ms 31 Jan 2025 860th Natanaelel 🇸🇪 662 56 5ms 20 Jan 2024 861st DialFrost 🇸🇬 662 75 112ms 3 Jun 2025 862nd Waffle3z 661 76 13ms 20 Jan 2021 862nd hellwue 661 76 13ms 16 Nov 2023 862nd dokutan 661 76 18ms 24 Mar 2025 865th 77Tigers 661 114 149ms 9 Apr 2024 866th HumanoidCPU 657 73 457ms 3 Jun 2024 867th uttumuttu 🇫🇮 656 71 10ms 8 Jan 2022 867th olleicua 🇺🇸 656 71 13ms 20 Feb 2024 869th SirBogman 🇺🇸 656 108 61ms 3 Jan 2022 870th emgordon154 655 70 150ms 6 Sep 2024 871st dokutan 652 69 1,035ms 30 Aug 2025 872nd f-tucker 652 77 11ms 2 Feb 2024 872nd undefinedRyan 652 77 12ms 19 Apr 2025 872nd Emutis 🇱🇹 652 77 12ms 12 Sep 2025 875th msbranicky 652 134 280ms 3 Oct 2023 876th olivermrose 🇺🇸 651 57 4ms 24 Aug 2021 877th dokutan 651 94 367ms 18 Jul 2025 878th boxjelly 648 65 37ms 11 Feb 2021 878th msbranicky 648 65 43ms 12 Sep 2023 880th Bubbler-4 648 97 77ms 13 Sep 2023 881st janbehrens 🇩🇪 648 135 262ms 13 Jun 2021 882nd MeWhenI 🇻🇦 646 71 141ms 3 Aug 2024 883rd Shanethegamer 🇺🇸 646 97 13ms 22 Dec 2023 884th jwhear 🇺🇸 646 171 1,766ms 1 Oct 2024 885th AkashTandon167 644 78 12ms 25 May 2021 885th jhpaques 🇫🇷 644 78 20ms 30 Nov 2022 887th johnnythedoggie 644 106 135ms 3 Mar 2021 888th SirBogman 🇺🇸 642 84 2ms 14 Dec 2021 889th annaproxy 641 93 99ms 24 Dec 2022 890th KatieLG 🇬🇧 640 77 2 Oct 2022 891st emgordon154 640 98 11ms 10 Dec 2024 892nd CaedenHarper 🇨🇦 640 107 450ms 15 days ago 893rd nephila-nacrea 🇬🇧 639 58 4ms 3 Feb 2021 894th NickTheEASDude 🇺🇸 639 95 2ms 1 Jul 2024 895th alomiF 639 102 139ms 4 Nov 2024 896th Maznek 638 73 13ms 30 Jun 2023 897th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 898th ashtraypettingzoo 🇺🇸 636 36 23 Feb 2023 899th twocatsinatrenchcoat 636 79 10ms 29 Mar 2022 899th SniperSmiley 🇺🇸 636 79 45ms 23 Jun 2022 First Prev 826–900 of 1,784 Next Last