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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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 601st FortuiteMan 🇫🇷 809 82 13ms 16 Jan 2026 602nd Yewzir 🇧🇪 809 88 55ms 14 Oct 2023 602nd KasperKivimaeki 🇫🇮 809 88 61ms 27 Nov 2025 602nd emgordon154 809 88 61ms 8 Feb 2026 605th petroselo 808 61 10ms 16 Nov 2021 605th cubed-guy 808 61 12ms 12 Feb 2022 605th CedricGebistorf 808 61 12ms 18 Feb 2022 605th jascotm 808 61 11ms 17 May 2022 605th Eilonlif 🇮🇱 808 61 39ms 9 Sep 2022 605th vishwathg 808 61 21ms 18 Sep 2022 605th jtaxen 808 61 10ms 26 Mar 2024 605th ahmetdemirag 🇨🇾 808 61 18ms 5 Nov 2024 605th Pyroan 808 61 13ms 16 Mar 2025 605th zgialor-lab 808 61 10ms 16 days ago 615th Shanethegamer 🇺🇸 806 94 122ms 25 Jan 2021 616th primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 616th jared-hughes 805 66 2ms 31 Jul 2022 618th GolfingSuccess 🇬🇷 805 69 8ms 24 Dec 2024 619th stefangimmillaro 805 80 105ms 23 Sep 2023 620th prplz 🇦🇺 805 83 129ms 10 Jul 2024 621st emgordon154 805 85 8ms 3 Jan 2025 622nd ArmaanAS 804 58 9ms 4 Apr 2021 622nd itsh01 804 58 9ms 18 Nov 2021 624th Steffan153 🇫🇮 804 60 2ms 6 May 2023 625th DaDerpDuck 804 76 1ms 20 Jan 2021 626th Dazza314 🇬🇧 803 23 3ms 16 Apr 2021 627th MeWhenI 🇻🇦 803 57 769ms 15 Sep 2025 628th MeWhenI 🇻🇦 801 50 3ms 11 Nov 2022 629th Steffan153 🇫🇮 800 80 1,720ms 11 days ago 630th m-tkach 🇺🇦 800 89 57ms 25 Apr 2022 630th MeWhenI 🇻🇦 800 89 60ms 8 May 2022 632nd TrueBoxGuy 798 95 129ms 24 Sep 2025 633rd SirBogman 🇺🇸 797 53 41ms 10 Jun 2024 634th primo-ppcg 🇹🇭 797 78 69ms 13 Oct 2023 635th tobeannouncd 797 82 124ms 8 Jan 2024 636th MichalMarsalek 🇨🇿 796 84 132ms 6 Jan 2023 636th Shanethegamer 🇺🇸 796 84 452ms 25 Sep 2025 638th GrayJoKing 🇦🇺 796 86 10ms 15 Aug 2023 638th Shanethegamer 🇺🇸 796 86 11ms 11 Jan 2024 640th Shanethegamer 🇺🇸 796 108 326ms 26 Sep 2021 641st cooljoseph1 795 62 24ms 6 May 2022 641st nkoppel 795 62 16ms 19 Oct 2022 641st AodhanDalton 795 62 13ms 4 Nov 2022 641st nstearns96 🇬🇧 795 62 19ms 28 Nov 2022 641st adamnielson42 🇺🇸 795 62 12ms 10 Jan 2024 641st jbjd 795 62 11ms 2 Mar 2024 641st HumanoidCPU 795 62 12ms 3 Jun 2024 641st jacekwladzinski 795 62 13ms 4 Oct 2025 641st Mabeloid 🇳🇴 795 62 12ms 26 Oct 2025 650th emgordon154 793 67 2ms 22 Apr 2025 651st clockworknazo 793 83 17ms 26 Sep 2022 652nd MeWhenI 🇻🇦 792 83 3ms 10 Sep 2022 653rd Salutations45 790 59 17ms 9 Jan 2025 654th MeWhenI 🇻🇦 790 63 154ms 16 Nov 2022 655th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 655th AlephSquirrel 789 19 2ms 8 Nov 2025 657th emgordon154 789 105 110ms 4 Dec 2025 658th SirBogman 🇺🇸 788 91 38ms 3 Jun 2025 659th kkoenig 788 109 342ms 5 Jan 2024 660th prplz 🇦🇺 787 46 297ms 24 Jan 2021 660th TimCurwick 🇺🇸 787 46 258ms 26 Jan 2021 660th SirBogman 🇺🇸 787 46 284ms 2 Feb 2024 663rd Shanethegamer 🇺🇸 785 76 393ms 13 Dec 2021 663rd Yax42 🇫🇷 785 76 413ms 5 May 2025 665th Yewzir 🇧🇪 785 82 101ms 28 Mar 2024 666th nwellnhof 🇩🇪 783 38 162ms 21 Oct 2021 667th apourchot 783 63 21ms 13 Feb 2021 667th neihousaigaai 783 63 11ms 10 Apr 2021 667th lechevalier 783 63 12ms 9 Aug 2021 667th commandz0 🇺🇸 783 63 14ms 19 Sep 2022 667th fourth-bit 783 63 12ms 21 Nov 2022 667th FortuiteMan 🇫🇷 783 63 27ms 8 Sep 2023 667th ssbhatt4321 783 63 27ms 14 Oct 2023 667th dokutan 783 63 19ms 1 Apr 2025 675th Waffle3z 782 54 39ms 19 Jan 2021 675th olivermrose 🇺🇸 782 54 40ms 28 Sep 2021 675th KatieLG 🇬🇧 782 54 39ms 9 Jan 2023 675th Andriamanitra 🇫🇮 782 54 40ms 20 Jul 2023 679th GrayJoKing 🇦🇺 782 68 2ms 21 Jan 2021 679th m-tkach 🇺🇦 782 68 2ms 25 Apr 2022 679th MeWhenI 🇻🇦 782 68 2ms 11 Nov 2022 682nd janbehrens 🇩🇪 782 91 62ms 20 Nov 2022 682nd snyderek 🇺🇸 782 91 54ms 21 Nov 2024 682nd dokutan 782 91 63ms 18 Jul 2025 685th MeWhenI 🇻🇦 781 88 457ms 28 Feb 2022 686th vang1ong7ang 781 97 176ms 3 days ago 687th Shanethegamer 🇺🇸 780 106 33ms 20 Jan 2025 688th anter69 🇭🇺 777 59 1,341ms 24 Feb 2023 688th SirBogman 🇺🇸 777 59 1,295ms 10 Jun 2024 690th rak1507 🇬🇧 777 60 10ms 20 Jan 2021 690th Shanethegamer 🇺🇸 777 60 11ms 26 Sep 2021 690th duckyluuk 🇳🇱 777 60 13ms 4 Oct 2024 693rd ovs-code 🇩🇪 776 142 11ms 31 Mar 2023 694th commandz0 🇺🇸 775 62 523ms 15 Jan 2024 694th HumanoidCPU 775 62 434ms 3 Jun 2024 694th dokutan 775 62 498ms 14 Feb 2026 697th scpchicken 🇵🇼 774 48 3ms 15 Dec 2022 698th GrayJoKing 🇦🇺 773 55 136ms 6 Aug 2024 699th mousetail 🇳🇱 773 98 122ms 3 Oct 2024 700th Shanethegamer 🇺🇸 772 89 468ms 26 Jul 2023 First Prev 601–700 of 2,003 Next Last