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 526th MeWhenI 🇻🇦 824 78 100ms 14 Oct 2022 527th Shanethegamer 🇺🇸 823 83 83ms 19 Apr 2022 528th GrayJoKing 🇦🇺 822 81 120ms 14 Mar 2022 528th MeWhenI 🇻🇦 822 81 121ms 15 Nov 2022 530th AGoyet 821 60 12ms 29 Jun 2022 530th betaveros 821 60 18ms 31 Dec 2022 530th AlexanderFair 821 60 10ms 23 Jun 2023 530th Andriamanitra 🇫🇮 821 60 13ms 20 Jul 2023 530th dranjohn 821 60 49ms 15 Sep 2023 530th inverseLorentz 🇦🇺 821 60 10ms 9 Apr 2024 530th 051 🇸🇬 821 60 14ms 1 Aug 2024 530th KasperKivimaeki 🇫🇮 821 60 11ms 30 Jun 2025 530th vgamula 🇺🇦 821 60 31ms 28 Jul 2025 530th LuisGoncalves05 🇵🇹 821 60 10ms 29 Jul 2025 530th luuumine 🇫🇷 821 60 11ms 20 Oct 2025 541st NewDefectus 🇮🇱 818 57 9ms 1 Nov 2021 542nd inventshah 817 59 2ms 18 May 2022 542nd MeWhenI 🇻🇦 817 59 2ms 18 May 2022 544th prplz 🇦🇺 817 65 2ms 24 Jan 2021 544th sisyphus-ppcg 🇦🇺 817 65 2ms 25 Jan 2021 544th 09cf 817 65 2ms 24 Sep 2023 547th m-tkach 🇺🇦 817 101 28ms 18 Jan 2024 548th MeWhenI 🇻🇦 816 29 48ms 25 Aug 2022 549th ovs-code 🇩🇪 816 52 134ms 4 Aug 2024 550th GrayJoKing 🇦🇺 816 84 462ms 28 Feb 2022 551st MeWhenI 🇻🇦 815 27 33ms 16 Mar 2022 552nd Yewzir 🇧🇪 815 61 105ms 16 Nov 2023 553rd ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 553rd inventshah 815 66 2ms 22 Oct 2023 555th BREMAUCY 🇫🇷 814 59 425ms 20 Feb 2024 556th duckyluuk 🇳🇱 812 70 3,116ms 28 Oct 2024 557th emgordon154 812 105 99ms 5 days ago 558th janlelis 811 52 37ms 18 Jan 2021 558th hiddicop 🇸🇪 811 52 35ms 29 Jan 2021 558th prplz 🇦🇺 811 52 36ms 22 Apr 2021 558th anter69 🇭🇺 811 52 35ms 14 Jan 2022 558th OhmNomNom 811 52 74ms 12 Oct 2022 558th DialFrost 🇸🇬 811 52 35ms 2 Feb 2023 558th olleicua 🇺🇸 811 52 34ms 25 Feb 2024 558th emgordon154 811 52 36ms 26 Nov 2024 566th Steffan153 🇫🇮 810 79 1,318ms 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 53ms 14 Oct 2023 578th KasperKivimaeki 🇫🇮 808 88 53ms 12 days ago 580th m-tkach 🇺🇦 806 106 25ms 25 Apr 2022 581st primo-ppcg 🇹🇭 804 66 2ms 18 Jan 2021 581st jared-hughes 804 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 97ms 23 Sep 2023 588th emgordon154 803 85 7ms 3 Jan 2025 589th Shanethegamer 🇺🇸 803 94 218ms 25 Jan 2021 590th prplz 🇦🇺 802 83 125ms 10 Jul 2024 591st DaDerpDuck 801 76 1ms 20 Jan 2021 592nd MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 593rd GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 594th m-tkach 🇺🇦 798 89 53ms 25 Apr 2022 594th MeWhenI 🇻🇦 798 89 53ms 8 May 2022 596th MeWhenI 🇻🇦 797 57 701ms 15 Sep 2025 597th tobeannouncd 796 82 124ms 8 Jan 2024 598th SirBogman 🇺🇸 795 53 35ms 10 Jun 2024 599th cooljoseph1 795 62 20ms 6 May 2022 599th nkoppel 795 62 13ms 19 Oct 2022 First Prev 526–600 of 1,862 Next Last