Kolakoski Sequence in all languages in chars. 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 560th inventshah 815 66 2ms 22 Oct 2023 562nd BREMAUCY 🇫🇷 814 59 433ms 20 Feb 2024 563rd duckyluuk 🇳🇱 814 70 2,998ms 28 Oct 2024 563rd jkelly467 814 70 3,160ms 22 Dec 2025 565th janlelis 811 52 43ms 18 Jan 2021 565th hiddicop 🇸🇪 811 52 41ms 29 Jan 2021 565th prplz 🇦🇺 811 52 41ms 22 Apr 2021 565th anter69 🇭🇺 811 52 40ms 14 Jan 2022 565th OhmNomNom 811 52 81ms 12 Oct 2022 565th DialFrost 🇸🇬 811 52 44ms 2 Feb 2023 565th olleicua 🇺🇸 811 52 38ms 25 Feb 2024 565th emgordon154 811 52 38ms 26 Nov 2024 573rd Steffan153 🇫🇮 810 79 1,437ms 23 Mar 2023 573rd Yewzir 🇧🇪 810 79 38ms 16 Nov 2023 575th FortuiteMan 🇫🇷 809 82 12ms 15 days ago 576th petroselo 808 61 11ms 16 Nov 2021 576th cubed-guy 808 61 10ms 12 Feb 2022 576th CedricGebistorf 808 61 10ms 18 Feb 2022 576th jascotm 808 61 10ms 17 May 2022 576th Eilonlif 🇮🇱 808 61 29ms 9 Sep 2022 576th vishwathg 808 61 20ms 18 Sep 2022 576th jtaxen 808 61 10ms 26 Mar 2024 576th ahmetdemirag 🇨🇾 808 61 19ms 5 Nov 2024 576th Pyroan 808 61 14ms 16 Mar 2025 585th GolfingSuccess 🇬🇷 808 81 9ms 9 Sep 2022 586th Yewzir 🇧🇪 808 88 56ms 14 Oct 2023 586th KasperKivimaeki 🇫🇮 808 88 54ms 27 Nov 2025 588th m-tkach 🇺🇦 806 106 25ms 25 Apr 2022 589th primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 589th jared-hughes 805 66 2ms 31 Jul 2022 591st ArmaanAS 804 58 11ms 4 Apr 2021 591st itsh01 804 58 9ms 18 Nov 2021 593rd Dazza314 🇬🇧 803 23 3ms 16 Apr 2021 594th Steffan153 🇫🇮 803 60 2ms 6 May 2023 595th DaDerpDuck 803 76 1ms 20 Jan 2021 596th stefangimmillaro 803 80 119ms 23 Sep 2023 597th emgordon154 803 85 7ms 3 Jan 2025 598th Shanethegamer 🇺🇸 803 94 119ms 25 Jan 2021 599th prplz 🇦🇺 802 83 125ms 10 Jul 2024 600th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 601st GolfingSuccess 🇬🇷 800 69 8ms 24 Dec 2024 602nd MeWhenI 🇻🇦 799 57 1,030ms 15 Sep 2025 603rd m-tkach 🇺🇦 798 89 57ms 25 Apr 2022 603rd MeWhenI 🇻🇦 798 89 54ms 8 May 2022 605th SirBogman 🇺🇸 796 53 39ms 10 Jun 2024 606th tobeannouncd 796 82 124ms 8 Jan 2024 607th cooljoseph1 795 62 20ms 6 May 2022 607th nkoppel 795 62 13ms 19 Oct 2022 607th AodhanDalton 795 62 10ms 4 Nov 2022 607th nstearns96 🇬🇧 795 62 17ms 28 Nov 2022 607th adamnielson42 🇺🇸 795 62 11ms 10 Jan 2024 607th jbjd 795 62 11ms 2 Mar 2024 607th HumanoidCPU 795 62 11ms 3 Jun 2024 607th jacekwladzinski 795 62 12ms 4 Oct 2025 607th Mabeloid 🇳🇴 795 62 13ms 26 Oct 2025 616th primo-ppcg 🇹🇭 795 78 71ms 13 Oct 2023 617th Shanethegamer 🇺🇸 795 84 468ms 25 Sep 2025 618th TrueBoxGuy 795 95 120ms 24 Sep 2025 619th Shanethegamer 🇺🇸 795 108 246ms 26 Sep 2021 620th GrayJoKing 🇦🇺 794 86 9ms 15 Aug 2023 620th Shanethegamer 🇺🇸 794 86 10ms 11 Jan 2024 622nd emgordon154 793 67 2ms 22 Apr 2025 623rd MichalMarsalek 🇨🇿 793 84 127ms 6 Jan 2023 624th Salutations45 790 59 10ms 9 Jan 2025 625th clockworknazo 790 83 17ms 26 Sep 2022 626th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 626th AlephSquirrel 789 19 2ms 8 Nov 2025 628th MeWhenI 🇻🇦 789 63 114ms 16 Nov 2022 629th MeWhenI 🇻🇦 789 83 3ms 10 Sep 2022 630th kkoenig 788 109 250ms 5 Jan 2024 631st prplz 🇦🇺 786 46 248ms 24 Jan 2021 631st TimCurwick 🇺🇸 786 46 238ms 26 Jan 2021 631st SirBogman 🇺🇸 786 46 254ms 2 Feb 2024 634th SirBogman 🇺🇸 786 91 38ms 3 Jun 2025 635th Shanethegamer 🇺🇸 784 76 417ms 13 Dec 2021 635th Yax42 🇫🇷 784 76 409ms 5 May 2025 637th Yewzir 🇧🇪 784 82 105ms 28 Mar 2024 638th nwellnhof 🇩🇪 782 38 133ms 21 Oct 2021 639th apourchot 782 63 18ms 13 Feb 2021 639th neihousaigaai 782 63 12ms 10 Apr 2021 First Prev 561–640 of 1,891 Next Last