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 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 Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 561st NewDefectus 🇮🇱 818 57 9ms 1 Nov 2021 562nd prplz 🇦🇺 818 65 2ms 24 Jan 2021 562nd sisyphus-ppcg 🇦🇺 818 65 2ms 25 Jan 2021 562nd 09cf 818 65 2ms 24 Sep 2023 565th MeWhenI 🇻🇦 817 29 54ms 25 Aug 2022 566th inventshah 817 59 2ms 18 May 2022 566th MeWhenI 🇻🇦 817 59 2ms 18 May 2022 568th m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 569th ovs-code 🇩🇪 816 52 151ms 4 Aug 2024 570th GrayJoKing 🇦🇺 816 84 466ms 28 Feb 2022 571st MeWhenI 🇻🇦 815 27 33ms 16 Mar 2022 572nd Yewzir 🇧🇪 815 61 148ms 16 Nov 2023 573rd ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 573rd inventshah 815 66 2ms 22 Oct 2023 575th BREMAUCY 🇫🇷 814 59 396ms 20 Feb 2024 576th duckyluuk 🇳🇱 814 70 3,850ms 28 Oct 2024 576th jkelly467 814 70 4,162ms 22 Dec 2025 578th janlelis 811 52 45ms 18 Jan 2021 578th hiddicop 🇸🇪 811 52 53ms 29 Jan 2021 578th prplz 🇦🇺 811 52 50ms 22 Apr 2021 578th anter69 🇭🇺 811 52 48ms 14 Jan 2022 578th OhmNomNom 811 52 105ms 12 Oct 2022 578th DialFrost 🇸🇬 811 52 52ms 2 Feb 2023 578th olleicua 🇺🇸 811 52 42ms 25 Feb 2024 578th emgordon154 811 52 49ms 26 Nov 2024 586th Steffan153 🇫🇮 810 79 1,407ms 23 Mar 2023 586th Yewzir 🇧🇪 810 79 37ms 16 Nov 2023 588th FortuiteMan 🇫🇷 809 82 13ms 16 Jan 2026 589th petroselo 808 61 10ms 16 Nov 2021 589th cubed-guy 808 61 11ms 12 Feb 2022 589th CedricGebistorf 808 61 11ms 18 Feb 2022 589th jascotm 808 61 11ms 17 May 2022 589th Eilonlif 🇮🇱 808 61 31ms 9 Sep 2022 589th vishwathg 808 61 20ms 18 Sep 2022 589th jtaxen 808 61 11ms 26 Mar 2024 589th ahmetdemirag 🇨🇾 808 61 19ms 5 Nov 2024 589th Pyroan 808 61 12ms 16 Mar 2025 598th GolfingSuccess 🇬🇷 808 81 9ms 9 Sep 2022 599th Yewzir 🇧🇪 808 88 56ms 14 Oct 2023 599th KasperKivimaeki 🇫🇮 808 88 65ms 27 Nov 2025 599th emgordon154 808 88 60ms 8 Feb 2026 602nd m-tkach 🇺🇦 808 106 25ms 25 Apr 2022 603rd primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 603rd jared-hughes 805 66 2ms 31 Jul 2022 605th ArmaanAS 804 58 11ms 4 Apr 2021 605th itsh01 804 58 10ms 18 Nov 2021 607th Dazza314 🇬🇧 803 23 3ms 16 Apr 2021 608th Steffan153 🇫🇮 803 60 2ms 6 May 2023 609th DaDerpDuck 803 76 1ms 20 Jan 2021 610th stefangimmillaro 803 80 112ms 23 Sep 2023 611th emgordon154 803 85 8ms 3 Jan 2025 612th Shanethegamer 🇺🇸 803 94 120ms 25 Jan 2021 613th prplz 🇦🇺 802 83 126ms 10 Jul 2024 614th MeWhenI 🇻🇦 801 57 1,030ms 15 Sep 2025 615th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 616th GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 617th m-tkach 🇺🇦 799 89 57ms 25 Apr 2022 617th MeWhenI 🇻🇦 799 89 56ms 8 May 2022 619th SirBogman 🇺🇸 796 53 57ms 10 Jun 2024 620th tobeannouncd 796 82 124ms 8 Jan 2024 621st cooljoseph1 795 62 23ms 6 May 2022 621st nkoppel 795 62 11ms 19 Oct 2022 621st AodhanDalton 795 62 11ms 4 Nov 2022 621st nstearns96 🇬🇧 795 62 17ms 28 Nov 2022 621st adamnielson42 🇺🇸 795 62 11ms 10 Jan 2024 621st jbjd 795 62 11ms 2 Mar 2024 621st HumanoidCPU 795 62 11ms 3 Jun 2024 621st jacekwladzinski 795 62 13ms 4 Oct 2025 621st Mabeloid 🇳🇴 795 62 11ms 26 Oct 2025 630th primo-ppcg 🇹🇭 795 78 71ms 13 Oct 2023 631st Shanethegamer 🇺🇸 795 84 468ms 25 Sep 2025 632nd TrueBoxGuy 795 95 121ms 24 Sep 2025 633rd Shanethegamer 🇺🇸 795 108 262ms 26 Sep 2021 634th GrayJoKing 🇦🇺 794 86 10ms 15 Aug 2023 634th Shanethegamer 🇺🇸 794 86 11ms 11 Jan 2024 636th emgordon154 793 67 2ms 22 Apr 2025 637th MichalMarsalek 🇨🇿 793 84 117ms 6 Jan 2023 638th Salutations45 790 59 11ms 9 Jan 2025 639th clockworknazo 790 83 17ms 26 Sep 2022 640th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 First Prev 561–640 of 1,913 Next Last