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 676th Shanethegamer 🇺🇸 765 65 108ms 22 May 2021 677th lynn 765 78 150ms 16 Nov 2021 678th Waffle3z 764 61 9ms 20 Jan 2021 678th didion0 🇺🇸 764 61 9ms 9 Feb 2021 678th KrausRaus 🇺🇸 764 61 10ms 19 Feb 2021 678th tayloia 🇬🇧 764 61 8ms 29 May 2022 682nd Shanethegamer 🇺🇸 764 93 55ms 12 Jan 2022 683rd MeWhenI 🇻🇦 764 108 27ms 7 Jun 2023 684th SirBogman 🇺🇸 763 31 45ms 7 Oct 2022 685th Steffan153 🇫🇮 763 51 80ms 18 Dec 2022 686th Shanethegamer 🇺🇸 763 60 351ms 2 Jul 2021 686th alemelis 763 60 1,808ms 14 Aug 2024 688th dokutan 762 63 390ms 1 Apr 2025 689th DialFrost 🇸🇬 762 86 5ms 10 Oct 2023 690th SirBogman 🇺🇸 759 86 115ms 24 Jan 2021 690th strout 759 86 124ms 15 Dec 2023 692nd TobyBoyne 🇬🇧 758 65 10ms 21 Jan 2021 692nd 77Tigers 758 65 30ms 1 Mar 2021 692nd knutae 🇳🇴 758 65 10ms 29 Jun 2021 692nd ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 692nd guilhem-roy 🇫🇷 758 65 10ms 28 Feb 2022 692nd martinnorling 🇸🇪 758 65 10ms 8 Mar 2022 692nd IshanPanpaliya 758 65 10ms 3 May 2023 692nd nooberitess 758 65 11ms 8 Apr 2025 700th c0d3-4-F00d 🇩🇪 758 70 2ms 18 Mar 2022 700th Alex-x90 🇺🇸 758 70 2ms 6 Mar 2023 700th dokutan 758 70 5ms 18 Jul 2025 703rd GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 703rd Yewzir 🇧🇪 758 71 3ms 21 days ago 705th kcinnu 🇱🇹 758 146 1,731ms 17 May 2024 706th albanian-laundromat 757 60 718ms 1 Oct 2025 707th duckyluuk 🇳🇱 756 73 7ms 16 Dec 2024 708th Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 708th emgordon154 754 63 4ms 25 Aug 2024 710th ovs-code 🇩🇪 754 87 106ms 8 Mar 2024 711th lynn 753 85 1,278ms 12 Sep 2021 712th ScottHamper 752 62 9ms 1 Jun 2021 712th helbling 🇨🇭 752 62 10ms 2 Oct 2024 714th RockOfStone 751 81 2ms 4 Nov 2021 714th dokutan 751 81 2ms 18 Jul 2025 716th Mabeloid 🇳🇴 750 64 539ms 17 Sep 2024 717th cipharius 750 87 198ms 19 Jan 2021 718th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 719th Yewzir 🇧🇪 748 71 3ms 14 Oct 2023 720th ArmaanAS 747 66 11ms 4 Apr 2021 720th quimey 747 66 11ms 23 Jun 2023 720th solisolu 747 66 19ms 27 Oct 2025 723rd sean-niemann 🇺🇸 744 57 133ms 17 Jun 2025 724th primo-ppcg 🇹🇭 743 40 199ms 22 Apr 2022 725th ScottHamper 742 90 446ms 9 days ago 726th kg583 🇺🇸 741 85 48ms 13 Feb 2025 727th jared-hughes 740 57 35ms 9 Sep 2022 728th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 728th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 730th SirBogman 🇺🇸 740 139 2ms 21 Dec 2021 731st emgordon154 739 32 39ms 19 Oct 2025 732nd DialFrost 🇸🇬 738 49 222ms 25 Jun 2024 733rd AlephSquirrel 738 99 10ms 18 Jan 2025 734th janbehrens 🇩🇪 737 93 464ms 24 Mar 2022 735th msbranicky 735 67 15ms 21 Aug 2023 736th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 737th Yewzir 🇧🇪 733 62 739ms 24 days ago 738th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 738th annaproxy 733 89 148ms 17 Aug 2022 738th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 738th snoozingnewt 🇨🇦 733 89 118ms 15 hours ago 742nd Omega65536 🇩🇪 733 103 287ms 24 Nov 2022 743rd MeWhenI 🇻🇦 733 151 1,682ms 7 Nov 2025 744th primo-ppcg 🇹🇭 731 117 25ms 14 Jul 2021 745th Shanethegamer 🇺🇸 730 88 102ms 15 Oct 2022 746th dvik72 728 64 9ms 1 Jun 2022 746th AlephSquirrel 728 64 9ms 16 Feb 2023 748th annaproxy 727 58 34ms 24 Oct 2023 749th KatieLG 🇬🇧 727 63 812ms 25 Apr 2021 750th janbehrens 🇩🇪 727 73 2ms 11 Jun 2021 First Prev 676–750 of 1,862 Next Last