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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 558th Andriamanitra 🇫🇮 822 60 13ms 20 Jul 2023 558th dranjohn 822 60 51ms 15 Sep 2023 558th inverseLorentz 🇦🇺 822 60 12ms 9 Apr 2024 558th 051 🇸🇬 822 60 12ms 1 Aug 2024 558th vgamula 🇺🇦 822 60 33ms 28 Jul 2025 558th LuisGoncalves05 🇵🇹 822 60 11ms 29 Jul 2025 558th luuumine 🇫🇷 822 60 11ms 20 Oct 2025 558th solisolu 822 60 11ms 1 Jan 2026 569th m-tkach 🇺🇦 819 101 29ms 18 Jan 2024 570th NewDefectus 🇮🇱 818 57 11ms 1 Nov 2021 571st inventshah 818 59 2ms 18 May 2022 571st MeWhenI 🇻🇦 818 59 2ms 18 May 2022 573rd prplz 🇦🇺 818 65 2ms 24 Jan 2021 573rd sisyphus-ppcg 🇦🇺 818 65 2ms 25 Jan 2021 573rd 09cf 818 65 2ms 24 Sep 2023 576th GrayJoKing 🇦🇺 818 84 466ms 28 Feb 2022 577th MeWhenI 🇻🇦 817 29 51ms 25 Aug 2022 578th ovs-code 🇩🇪 817 52 142ms 4 Aug 2024 579th MeWhenI 🇻🇦 816 27 33ms 16 Mar 2022 580th Yewzir 🇧🇪 816 61 148ms 16 Nov 2023 581st ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 581st inventshah 816 66 2ms 22 Oct 2023 583rd duckyluuk 🇳🇱 816 70 2,273ms 28 Oct 2024 583rd jkelly467 816 70 2,503ms 22 Dec 2025 585th BREMAUCY 🇫🇷 815 59 553ms 20 Feb 2024 586th Yewzir 🇧🇪 813 79 37ms 16 Nov 2023 587th janlelis 812 52 38ms 18 Jan 2021 587th hiddicop 🇸🇪 812 52 37ms 29 Jan 2021 587th prplz 🇦🇺 812 52 39ms 22 Apr 2021 587th anter69 🇭🇺 812 52 41ms 14 Jan 2022 587th OhmNomNom 812 52 76ms 12 Oct 2022 587th DialFrost 🇸🇬 812 52 37ms 2 Feb 2023 587th olleicua 🇺🇸 812 52 39ms 25 Feb 2024 587th emgordon154 812 52 40ms 26 Nov 2024 595th Steffan153 🇫🇮 812 79 1,328ms 23 Mar 2023 596th FortuiteMan 🇫🇷 812 82 12ms 16 Jan 2026 597th m-tkach 🇺🇦 812 106 25ms 25 Apr 2022 598th GolfingSuccess 🇬🇷 811 81 9ms 9 Sep 2022 599th Yewzir 🇧🇪 809 88 57ms 14 Oct 2023 599th KasperKivimaeki 🇫🇮 809 88 56ms 27 Nov 2025 599th emgordon154 809 88 57ms 8 Feb 2026 602nd petroselo 808 61 10ms 16 Nov 2021 602nd cubed-guy 808 61 12ms 12 Feb 2022 602nd CedricGebistorf 808 61 12ms 18 Feb 2022 602nd jascotm 808 61 11ms 17 May 2022 602nd Eilonlif 🇮🇱 808 61 39ms 9 Sep 2022 602nd vishwathg 808 61 21ms 18 Sep 2022 602nd jtaxen 808 61 10ms 26 Mar 2024 602nd ahmetdemirag 🇨🇾 808 61 18ms 5 Nov 2024 602nd Pyroan 808 61 13ms 16 Mar 2025 602nd zgialor-lab 808 61 11ms 40 hours ago 612th Steffan153 🇫🇮 807 112 6ms 22 days ago 613th Shanethegamer 🇺🇸 806 94 120ms 25 Jan 2021 614th primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 614th jared-hughes 805 66 2ms 31 Jul 2022 616th stefangimmillaro 805 80 104ms 23 Sep 2023 617th emgordon154 805 85 8ms 3 Jan 2025 618th Dazza314 🇬🇧 804 23 3ms 16 Apr 2021 619th ArmaanAS 804 58 13ms 4 Apr 2021 619th itsh01 804 58 11ms 18 Nov 2021 621st Steffan153 🇫🇮 804 60 2ms 6 May 2023 622nd DaDerpDuck 804 76 1ms 20 Jan 2021 623rd prplz 🇦🇺 804 83 124ms 10 Jul 2024 624th MeWhenI 🇻🇦 803 57 1,074ms 15 Sep 2025 625th GolfingSuccess 🇬🇷 803 69 7ms 24 Dec 2024 626th MeWhenI 🇻🇦 801 50 3ms 11 Nov 2022 627th m-tkach 🇺🇦 800 89 60ms 25 Apr 2022 627th MeWhenI 🇻🇦 800 89 57ms 8 May 2022 629th TrueBoxGuy 798 95 113ms 24 Sep 2025 630th SirBogman 🇺🇸 797 53 38ms 10 Jun 2024 631st primo-ppcg 🇹🇭 797 78 69ms 13 Oct 2023 632nd tobeannouncd 797 82 124ms 8 Jan 2024 633rd Shanethegamer 🇺🇸 796 84 468ms 25 Sep 2025 634th GrayJoKing 🇦🇺 796 86 10ms 15 Aug 2023 634th Shanethegamer 🇺🇸 796 86 11ms 11 Jan 2024 636th Shanethegamer 🇺🇸 796 108 326ms 26 Sep 2021 637th cooljoseph1 795 62 24ms 6 May 2022 637th nkoppel 795 62 16ms 19 Oct 2022 637th AodhanDalton 795 62 13ms 4 Nov 2022 637th nstearns96 🇬🇧 795 62 19ms 28 Nov 2022 First Prev 561–640 of 2,000 Next Last