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 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 Calendar 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 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 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 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 Calendar 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 558th anter69 🇭🇺 811 52 37ms 14 Jan 2022 558th OhmNomNom 811 52 86ms 12 Oct 2022 558th DialFrost 🇸🇬 811 52 39ms 2 Feb 2023 558th olleicua 🇺🇸 811 52 35ms 25 Feb 2024 558th emgordon154 811 52 55ms 26 Nov 2024 566th Steffan153 🇫🇮 810 79 1,306ms 23 Mar 2023 566th Yewzir 🇧🇪 810 79 38ms 16 Nov 2023 568th petroselo 808 61 11ms 16 Nov 2021 568th cubed-guy 808 61 10ms 12 Feb 2022 568th CedricGebistorf 808 61 10ms 18 Feb 2022 568th jascotm 808 61 10ms 17 May 2022 568th Eilonlif 🇮🇱 808 61 29ms 9 Sep 2022 568th vishwathg 808 61 20ms 18 Sep 2022 568th jtaxen 808 61 10ms 26 Mar 2024 568th ahmetdemirag 🇨🇾 808 61 19ms 5 Nov 2024 568th Pyroan 808 61 14ms 16 Mar 2025 577th GolfingSuccess 🇬🇷 808 81 9ms 9 Sep 2022 578th Yewzir 🇧🇪 808 88 66ms 14 Oct 2023 578th KasperKivimaeki 🇫🇮 808 88 62ms 20 days ago 580th m-tkach 🇺🇦 806 106 25ms 25 Apr 2022 581st primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 581st jared-hughes 805 66 2ms 31 Jul 2022 583rd Dazza314 🇬🇧 803 23 3ms 16 Apr 2021 584th ArmaanAS 803 58 9ms 4 Apr 2021 584th itsh01 803 58 8ms 18 Nov 2021 586th Steffan153 🇫🇮 803 60 2ms 6 May 2023 587th stefangimmillaro 803 80 101ms 23 Sep 2023 588th emgordon154 803 85 7ms 3 Jan 2025 589th Shanethegamer 🇺🇸 803 94 117ms 25 Jan 2021 590th DaDerpDuck 802 76 1ms 20 Jan 2021 591st prplz 🇦🇺 802 83 125ms 10 Jul 2024 592nd MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 593rd GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 594th m-tkach 🇺🇦 798 89 58ms 25 Apr 2022 594th MeWhenI 🇻🇦 798 89 58ms 8 May 2022 596th MeWhenI 🇻🇦 797 57 701ms 15 Sep 2025 597th tobeannouncd 796 82 124ms 8 Jan 2024 598th SirBogman 🇺🇸 795 53 43ms 10 Jun 2024 599th cooljoseph1 795 62 20ms 6 May 2022 599th nkoppel 795 62 13ms 19 Oct 2022 599th AodhanDalton 795 62 10ms 4 Nov 2022 599th nstearns96 🇬🇧 795 62 17ms 28 Nov 2022 599th adamnielson42 🇺🇸 795 62 11ms 10 Jan 2024 599th jbjd 795 62 11ms 2 Mar 2024 599th HumanoidCPU 795 62 11ms 3 Jun 2024 599th jacekwladzinski 795 62 12ms 4 Oct 2025 599th Mabeloid 🇳🇴 795 62 13ms 26 Oct 2025 608th primo-ppcg 🇹🇭 795 78 72ms 13 Oct 2023 609th Shanethegamer 🇺🇸 795 84 435ms 25 Sep 2025 610th TrueBoxGuy 795 95 115ms 24 Sep 2025 611th Shanethegamer 🇺🇸 795 108 265ms 26 Sep 2021 612th GrayJoKing 🇦🇺 794 86 9ms 15 Aug 2023 612th Shanethegamer 🇺🇸 794 86 10ms 11 Jan 2024 614th emgordon154 793 67 2ms 22 Apr 2025 615th MichalMarsalek 🇨🇿 793 84 127ms 6 Jan 2023 616th Salutations45 790 59 9ms 9 Jan 2025 617th clockworknazo 790 83 17ms 26 Sep 2022 618th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 618th AlephSquirrel 789 19 2ms 8 Nov 2025 620th MeWhenI 🇻🇦 789 63 107ms 16 Nov 2022 621st MeWhenI 🇻🇦 789 83 3ms 10 Sep 2022 622nd kkoenig 788 109 274ms 5 Jan 2024 623rd prplz 🇦🇺 786 46 260ms 24 Jan 2021 623rd TimCurwick 🇺🇸 786 46 251ms 26 Jan 2021 623rd SirBogman 🇺🇸 786 46 230ms 2 Feb 2024 626th SirBogman 🇺🇸 786 91 38ms 3 Jun 2025 627th Yewzir 🇧🇪 784 82 99ms 28 Mar 2024 628th Shanethegamer 🇺🇸 783 76 332ms 13 Dec 2021 628th Yax42 🇫🇷 783 76 377ms 5 May 2025 630th nwellnhof 🇩🇪 782 38 325ms 21 Oct 2021 631st apourchot 782 63 18ms 13 Feb 2021 631st neihousaigaai 782 63 12ms 10 Apr 2021 631st lechevalier 782 63 10ms 9 Aug 2021 631st commandblockguy 🇺🇸 782 63 12ms 19 Sep 2022 631st fourth-bit 782 63 10ms 21 Nov 2022 631st FortuiteMan 🇫🇷 782 63 28ms 8 Sep 2023 631st ssbhatt4321 782 63 26ms 14 Oct 2023 631st dokutan 782 63 17ms 1 Apr 2025 639th Waffle3z 781 54 37ms 19 Jan 2021 639th olivermrose 🇺🇸 781 54 42ms 28 Sep 2021 First Prev 561–640 of 1,866 Next Last