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 821st sandorstormen 688 73 12ms 18 Feb 2023 821st Mr-McChicken 688 73 12ms 15 Oct 2023 821st Masttest 688 73 10ms 21 Feb 2024 829th msbranicky 688 95 7ms 11 Aug 2023 830th JGDoerrer 688 103 425ms 5 Jan 2022 830th tailorspy 688 103 74ms 29 Oct 2023 832nd Shanethegamer 🇺🇸 688 106 19ms 4 Oct 2024 833rd GolfingSuccess 🇬🇷 686 69 35ms 17 Aug 2024 834th Andriamanitra 🇫🇮 686 95 186ms 20 Jul 2023 835th DialFrost 🇸🇬 684 67 154ms 3 Aug 2024 836th MeWhenI 🇻🇦 684 72 383ms 15 Feb 2023 836th Yewzir 🇧🇪 684 72 421ms 5 Apr 2024 838th madex 🇩🇪 683 79 2ms 11 Jul 2024 839th AdrienHache 🇫🇷 682 41 54ms 23 Oct 2023 840th msbranicky 682 89 2ms 26 Sep 2023 841st Yewzir 🇧🇪 680 90 339ms 14 Oct 2023 842nd jameslindesay 679 74 12ms 24 Feb 2021 842nd PkmnQ 679 74 50ms 5 May 2024 842nd HumanoidCPU 679 74 12ms 3 Jun 2024 842nd RedzGoose 🇦🇺 679 74 11ms 14 Oct 2024 842nd yokasuretsu 679 74 12ms 13 Jan 2025 847th Shanethegamer 🇺🇸 677 126 27ms 8 Jul 2021 848th dokutan 676 59 3ms 18 Jul 2025 849th msbranicky 674 80 5ms 11 Oct 2023 850th janbehrens 🇩🇪 672 68 1,067ms 9 Apr 2021 851st AdrienHache 🇫🇷 672 91 333ms 31 Dec 2023 852nd rboath 671 58 121ms 8 Jan 2025 853rd Trunksistor 🇫🇷 670 75 15ms 25 May 2022 853rd celiendonze 🇨🇭 670 75 13ms 16 Jun 2023 853rd qwjhvbxi 670 75 11ms 9 Feb 2024 853rd wenbang24 670 75 14ms 6 Apr 2024 857th 5quiwyrm 669 54 223ms 5 Dec 2024 858th tatzyr 🇯🇵 669 63 39ms 29 Dec 2024 859th I-Love-47 🇺🇦 669 106 62ms 10 Feb 2022 860th CaedenHarper 🇨🇦 666 70 10ms 31 Jan 2025 861st Natanaelel 🇸🇪 662 56 5ms 20 Jan 2024 862nd DialFrost 🇸🇬 662 75 112ms 3 Jun 2025 863rd Waffle3z 661 76 13ms 20 Jan 2021 863rd hellwue 661 76 13ms 16 Nov 2023 863rd dokutan 661 76 18ms 24 Mar 2025 866th 77Tigers 661 114 149ms 9 Apr 2024 867th HumanoidCPU 657 73 457ms 3 Jun 2024 868th uttumuttu 🇫🇮 656 71 10ms 8 Jan 2022 868th olleicua 🇺🇸 656 71 13ms 20 Feb 2024 870th SirBogman 🇺🇸 656 108 61ms 3 Jan 2022 871st emgordon154 655 70 150ms 6 Sep 2024 872nd dokutan 652 69 1,035ms 30 Aug 2025 873rd f-tucker 652 77 11ms 2 Feb 2024 873rd undefinedRyan 652 77 12ms 19 Apr 2025 873rd Emutis 🇱🇹 652 77 12ms 12 Sep 2025 876th msbranicky 652 134 280ms 3 Oct 2023 877th olivermrose 🇺🇸 651 57 4ms 24 Aug 2021 878th dokutan 651 94 367ms 18 Jul 2025 879th boxjelly 648 65 37ms 11 Feb 2021 879th msbranicky 648 65 43ms 12 Sep 2023 881st Bubbler-4 648 97 77ms 13 Sep 2023 882nd janbehrens 🇩🇪 648 135 262ms 13 Jun 2021 883rd MeWhenI 🇻🇦 646 71 141ms 3 Aug 2024 884th Shanethegamer 🇺🇸 646 97 13ms 22 Dec 2023 885th jwhear 🇺🇸 646 171 1,766ms 1 Oct 2024 886th AkashTandon167 644 78 12ms 25 May 2021 886th jhpaques 🇫🇷 644 78 20ms 30 Nov 2022 888th johnnythedoggie 644 106 135ms 3 Mar 2021 889th SirBogman 🇺🇸 642 84 2ms 14 Dec 2021 890th annaproxy 641 93 99ms 24 Dec 2022 891st KatieLG 🇬🇧 640 77 253ms 2 Oct 2022 892nd emgordon154 640 98 11ms 10 Dec 2024 893rd CaedenHarper 🇨🇦 640 107 450ms 16 days ago 894th nephila-nacrea 🇬🇧 639 58 4ms 3 Feb 2021 895th NickTheEASDude 🇺🇸 639 95 2ms 1 Jul 2024 896th alomiF 639 102 139ms 4 Nov 2024 897th Maznek 638 73 13ms 30 Jun 2023 898th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 899th ashtraypettingzoo 🇺🇸 636 36 35ms 23 Feb 2023 900th twocatsinatrenchcoat 636 79 10ms 29 Mar 2022 First Prev 826–900 of 1,785 Next Last