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 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 Multitap Input 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 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 Multitap Input 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 561st duckyluuk 🇳🇱 814 70 2,253ms 28 Oct 2024 561st jkelly467 814 70 2,455ms 26 days ago 563rd janlelis 811 52 43ms 18 Jan 2021 563rd hiddicop 🇸🇪 811 52 41ms 29 Jan 2021 563rd prplz 🇦🇺 811 52 41ms 22 Apr 2021 563rd anter69 🇭🇺 811 52 40ms 14 Jan 2022 563rd OhmNomNom 811 52 81ms 12 Oct 2022 563rd DialFrost 🇸🇬 811 52 44ms 2 Feb 2023 563rd olleicua 🇺🇸 811 52 38ms 25 Feb 2024 563rd emgordon154 811 52 38ms 26 Nov 2024 571st Steffan153 🇫🇮 810 79 1,437ms 23 Mar 2023 571st Yewzir 🇧🇪 810 79 38ms 16 Nov 2023 573rd petroselo 808 61 11ms 16 Nov 2021 573rd cubed-guy 808 61 10ms 12 Feb 2022 573rd CedricGebistorf 808 61 10ms 18 Feb 2022 573rd jascotm 808 61 10ms 17 May 2022 573rd Eilonlif 🇮🇱 808 61 29ms 9 Sep 2022 573rd vishwathg 808 61 20ms 18 Sep 2022 573rd jtaxen 808 61 10ms 26 Mar 2024 573rd ahmetdemirag 🇨🇾 808 61 19ms 5 Nov 2024 573rd Pyroan 808 61 14ms 16 Mar 2025 582nd GolfingSuccess 🇬🇷 808 81 9ms 9 Sep 2022 583rd Yewzir 🇧🇪 808 88 56ms 14 Oct 2023 583rd KasperKivimaeki 🇫🇮 808 88 54ms 27 Nov 2025 585th m-tkach 🇺🇦 806 106 25ms 25 Apr 2022 586th primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 586th jared-hughes 805 66 2ms 31 Jul 2022 588th ArmaanAS 804 58 11ms 4 Apr 2021 588th itsh01 804 58 9ms 18 Nov 2021 590th Dazza314 🇬🇧 803 23 3ms 16 Apr 2021 591st Steffan153 🇫🇮 803 60 2ms 6 May 2023 592nd stefangimmillaro 803 80 119ms 23 Sep 2023 593rd emgordon154 803 85 7ms 3 Jan 2025 594th Shanethegamer 🇺🇸 803 94 117ms 25 Jan 2021 595th DaDerpDuck 802 76 1ms 20 Jan 2021 596th prplz 🇦🇺 802 83 125ms 10 Jul 2024 597th m-ender 🇩🇪 802 89 153ms 23 Apr 2021 598th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 599th GolfingSuccess 🇬🇷 800 69 8ms 24 Dec 2024 600th MeWhenI 🇻🇦 799 57 701ms 15 Sep 2025 601st m-tkach 🇺🇦 798 89 57ms 25 Apr 2022 601st MeWhenI 🇻🇦 798 89 54ms 8 May 2022 603rd SirBogman 🇺🇸 796 53 39ms 10 Jun 2024 604th tobeannouncd 796 82 124ms 8 Jan 2024 605th cooljoseph1 795 62 20ms 6 May 2022 605th nkoppel 795 62 13ms 19 Oct 2022 605th AodhanDalton 795 62 10ms 4 Nov 2022 605th nstearns96 🇬🇧 795 62 17ms 28 Nov 2022 605th adamnielson42 🇺🇸 795 62 11ms 10 Jan 2024 605th jbjd 795 62 11ms 2 Mar 2024 605th HumanoidCPU 795 62 11ms 3 Jun 2024 605th jacekwladzinski 795 62 12ms 4 Oct 2025 605th Mabeloid 🇳🇴 795 62 13ms 26 Oct 2025 614th primo-ppcg 🇹🇭 795 78 71ms 13 Oct 2023 615th Shanethegamer 🇺🇸 795 84 435ms 25 Sep 2025 616th TrueBoxGuy 795 95 115ms 24 Sep 2025 617th Shanethegamer 🇺🇸 795 108 246ms 26 Sep 2021 618th GrayJoKing 🇦🇺 794 86 9ms 15 Aug 2023 618th Shanethegamer 🇺🇸 794 86 10ms 11 Jan 2024 620th emgordon154 793 67 2ms 22 Apr 2025 621st MichalMarsalek 🇨🇿 793 84 127ms 6 Jan 2023 622nd Salutations45 790 59 10ms 9 Jan 2025 623rd clockworknazo 790 83 17ms 26 Sep 2022 624th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 624th AlephSquirrel 789 19 2ms 8 Nov 2025 626th MeWhenI 🇻🇦 789 63 114ms 16 Nov 2022 627th MeWhenI 🇻🇦 789 83 3ms 10 Sep 2022 628th kkoenig 788 109 250ms 5 Jan 2024 629th prplz 🇦🇺 786 46 248ms 24 Jan 2021 629th TimCurwick 🇺🇸 786 46 238ms 26 Jan 2021 629th SirBogman 🇺🇸 786 46 254ms 2 Feb 2024 632nd SirBogman 🇺🇸 786 91 38ms 3 Jun 2025 633rd Yewzir 🇧🇪 784 82 105ms 28 Mar 2024 634th Shanethegamer 🇺🇸 783 76 417ms 13 Dec 2021 634th Yax42 🇫🇷 783 76 409ms 5 May 2025 636th nwellnhof 🇩🇪 782 38 145ms 21 Oct 2021 637th apourchot 782 63 18ms 13 Feb 2021 637th neihousaigaai 782 63 12ms 10 Apr 2021 637th lechevalier 782 63 10ms 9 Aug 2021 637th commandblockguy 🇺🇸 782 63 12ms 19 Sep 2022 First Prev 561–640 of 1,883 Next Last