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 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 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 retrohun 765 63 102ms 23 Jan 2023 677th Shanethegamer 🇺🇸 765 65 108ms 22 May 2021 678th lynn 765 78 150ms 16 Nov 2021 679th Shanethegamer 🇺🇸 765 93 53ms 12 Jan 2022 680th Waffle3z 764 61 10ms 20 Jan 2021 680th didion0 🇺🇸 764 61 9ms 9 Feb 2021 680th KrausRaus 🇺🇸 764 61 10ms 19 Feb 2021 680th tayloia 🇬🇧 764 61 9ms 29 May 2022 684th MeWhenI 🇻🇦 764 108 28ms 7 Jun 2023 685th SirBogman 🇺🇸 763 31 48ms 7 Oct 2022 686th Steffan153 🇫🇮 763 51 77ms 18 Dec 2022 687th Shanethegamer 🇺🇸 763 60 367ms 2 Jul 2021 687th alemelis 763 60 1,808ms 14 Aug 2024 689th dokutan 762 63 395ms 1 Apr 2025 690th DialFrost 🇸🇬 762 86 6ms 10 Oct 2023 691st SirBogman 🇺🇸 759 86 133ms 24 Jan 2021 691st strout 759 86 117ms 15 Dec 2023 693rd TobyBoyne 🇬🇧 758 65 11ms 21 Jan 2021 693rd 77Tigers 758 65 29ms 1 Mar 2021 693rd knutae 🇳🇴 758 65 12ms 29 Jun 2021 693rd ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 693rd guilhem-roy 🇫🇷 758 65 11ms 28 Feb 2022 693rd martinnorling 🇸🇪 758 65 10ms 8 Mar 2022 693rd IshanPanpaliya 758 65 11ms 3 May 2023 693rd nooberitess 758 65 10ms 8 Apr 2025 701st c0d3-4-F00d 🇩🇪 758 70 2ms 18 Mar 2022 701st Alex-x90 🇺🇸 758 70 2ms 6 Mar 2023 701st dokutan 758 70 2ms 18 Jul 2025 704th GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 704th Yewzir 🇧🇪 758 71 3ms 17 days ago 706th kcinnu 🇱🇹 758 146 1,694ms 17 May 2024 707th albanian-laundromat 757 60 693ms 1 Oct 2025 708th duckyluuk 🇳🇱 756 73 7ms 16 Dec 2024 709th Shanethegamer 🇺🇸 754 63 5ms 13 Aug 2024 709th emgordon154 754 63 7ms 25 Aug 2024 711th ovs-code 🇩🇪 754 87 106ms 8 Mar 2024 712th lynn 753 85 1,338ms 12 Sep 2021 713th ScottHamper 752 62 9ms 1 Jun 2021 713th helbling 🇨🇭 752 62 10ms 2 Oct 2024 715th RockOfStone 751 81 2ms 4 Nov 2021 715th dokutan 751 81 2ms 18 Jul 2025 717th Mabeloid 🇳🇴 750 64 513ms 17 Sep 2024 718th cipharius 750 87 187ms 19 Jan 2021 719th Lydxn 🇨🇦 750 223 14ms 24 Jun 2021 720th ArmaanAS 747 66 11ms 4 Apr 2021 720th quimey 747 66 10ms 23 Jun 2023 720th solisolu 747 66 20ms 27 Oct 2025 723rd Yewzir 🇧🇪 747 71 2ms 14 Oct 2023 724th sean-niemann 🇺🇸 744 57 136ms 17 Jun 2025 725th primo-ppcg 🇹🇭 743 40 142ms 22 Apr 2022 726th ScottHamper 742 90 347ms 6 days ago 727th kg583 🇺🇸 741 85 38ms 13 Feb 2025 728th jared-hughes 740 57 43ms 9 Sep 2022 729th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 729th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 731st SirBogman 🇺🇸 740 139 3ms 21 Dec 2021 732nd emgordon154 739 32 38ms 19 Oct 2025 733rd DialFrost 🇸🇬 738 49 222ms 25 Jun 2024 734th AlephSquirrel 738 99 11ms 18 Jan 2025 735th janbehrens 🇩🇪 737 93 548ms 24 Mar 2022 736th msbranicky 735 67 15ms 21 Aug 2023 737th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 738th Yewzir 🇧🇪 733 62 761ms 20 days ago 739th guliyevemil1 🇦🇿 733 89 153ms 11 Feb 2021 739th annaproxy 733 89 192ms 17 Aug 2022 739th Shanethegamer 🇺🇸 733 89 128ms 20 Jan 2024 742nd Omega65536 🇩🇪 733 103 139ms 24 Nov 2022 743rd MeWhenI 🇻🇦 733 151 1,577ms 7 Nov 2025 744th primo-ppcg 🇹🇭 731 117 28ms 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 39ms 24 Oct 2023 749th KatieLG 🇬🇧 727 63 812ms 25 Apr 2021 750th janbehrens 🇩🇪 727 73 3ms 11 Jun 2021 First Prev 676–750 of 1,862 Next Last