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 Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 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 560th betaveros 822 60 20ms 31 Dec 2022 560th AlexanderFair 822 60 11ms 23 Jun 2023 560th Andriamanitra 🇫🇮 822 60 13ms 20 Jul 2023 560th dranjohn 822 60 51ms 15 Sep 2023 560th inverseLorentz 🇦🇺 822 60 12ms 9 Apr 2024 560th 051 🇸🇬 822 60 12ms 1 Aug 2024 560th vgamula 🇺🇦 822 60 33ms 28 Jul 2025 560th LuisGoncalves05 🇵🇹 822 60 11ms 29 Jul 2025 560th luuumine 🇫🇷 822 60 11ms 20 Oct 2025 560th solisolu 822 60 11ms 1 Jan 2026 571st Steffan153 🇫🇮 822 110 6ms 6 days ago 572nd GrayJoKing 🇦🇺 821 57 36ms 5 Sep 2024 573rd m-tkach 🇺🇦 819 101 29ms 18 Jan 2024 574th NewDefectus 🇮🇱 818 57 10ms 1 Nov 2021 575th inventshah 818 59 2ms 18 May 2022 575th MeWhenI 🇻🇦 818 59 2ms 18 May 2022 577th prplz 🇦🇺 818 65 2ms 24 Jan 2021 577th sisyphus-ppcg 🇦🇺 818 65 2ms 25 Jan 2021 577th 09cf 818 65 2ms 24 Sep 2023 580th GrayJoKing 🇦🇺 818 84 466ms 28 Feb 2022 581st MeWhenI 🇻🇦 817 29 55ms 25 Aug 2022 582nd ovs-code 🇩🇪 817 52 136ms 4 Aug 2024 583rd MeWhenI 🇻🇦 816 27 33ms 16 Mar 2022 584th Yewzir 🇧🇪 816 61 148ms 16 Nov 2023 585th ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 585th inventshah 816 66 2ms 22 Oct 2023 587th duckyluuk 🇳🇱 816 70 2,273ms 28 Oct 2024 587th jkelly467 816 70 2,503ms 22 Dec 2025 589th BREMAUCY 🇫🇷 815 59 553ms 20 Feb 2024 590th Yewzir 🇧🇪 813 79 37ms 16 Nov 2023 591st janlelis 812 52 45ms 18 Jan 2021 591st hiddicop 🇸🇪 812 52 45ms 29 Jan 2021 591st prplz 🇦🇺 812 52 42ms 22 Apr 2021 591st anter69 🇭🇺 812 52 43ms 14 Jan 2022 591st OhmNomNom 812 52 85ms 12 Oct 2022 591st DialFrost 🇸🇬 812 52 43ms 2 Feb 2023 591st olleicua 🇺🇸 812 52 42ms 25 Feb 2024 591st emgordon154 812 52 43ms 26 Nov 2024 599th FortuiteMan 🇫🇷 812 82 13ms 16 Jan 2026 600th m-tkach 🇺🇦 812 106 25ms 25 Apr 2022 601st GolfingSuccess 🇬🇷 811 81 9ms 9 Sep 2022 602nd Yewzir 🇧🇪 809 88 55ms 14 Oct 2023 602nd KasperKivimaeki 🇫🇮 809 88 61ms 27 Nov 2025 602nd emgordon154 809 88 61ms 8 Feb 2026 605th petroselo 808 61 10ms 16 Nov 2021 605th cubed-guy 808 61 12ms 12 Feb 2022 605th CedricGebistorf 808 61 12ms 18 Feb 2022 605th jascotm 808 61 11ms 17 May 2022 605th Eilonlif 🇮🇱 808 61 39ms 9 Sep 2022 605th vishwathg 808 61 21ms 18 Sep 2022 605th jtaxen 808 61 10ms 26 Mar 2024 605th ahmetdemirag 🇨🇾 808 61 18ms 5 Nov 2024 605th Pyroan 808 61 13ms 16 Mar 2025 605th zgialor-lab 808 61 10ms 12 days ago 615th Shanethegamer 🇺🇸 806 94 122ms 25 Jan 2021 616th primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 616th jared-hughes 805 66 2ms 31 Jul 2022 618th stefangimmillaro 805 80 105ms 23 Sep 2023 619th emgordon154 805 85 8ms 3 Jan 2025 620th Dazza314 🇬🇧 804 23 3ms 16 Apr 2021 621st ArmaanAS 804 58 10ms 4 Apr 2021 621st itsh01 804 58 13ms 18 Nov 2021 623rd Steffan153 🇫🇮 804 60 2ms 6 May 2023 624th DaDerpDuck 804 76 1ms 20 Jan 2021 625th prplz 🇦🇺 804 83 124ms 10 Jul 2024 626th MeWhenI 🇻🇦 803 57 1,074ms 15 Sep 2025 627th GolfingSuccess 🇬🇷 803 69 8ms 24 Dec 2024 628th MeWhenI 🇻🇦 801 50 3ms 11 Nov 2022 629th Steffan153 🇫🇮 800 80 1,409ms 7 days ago 630th m-tkach 🇺🇦 800 89 57ms 25 Apr 2022 630th MeWhenI 🇻🇦 800 89 60ms 8 May 2022 632nd TrueBoxGuy 798 95 129ms 24 Sep 2025 633rd SirBogman 🇺🇸 797 53 41ms 10 Jun 2024 634th primo-ppcg 🇹🇭 797 78 69ms 13 Oct 2023 635th tobeannouncd 797 82 124ms 8 Jan 2024 636th Shanethegamer 🇺🇸 796 84 468ms 25 Sep 2025 637th GrayJoKing 🇦🇺 796 86 10ms 15 Aug 2023 637th Shanethegamer 🇺🇸 796 86 11ms 11 Jan 2024 639th Shanethegamer 🇺🇸 796 108 326ms 26 Sep 2021 640th cooljoseph1 795 62 24ms 6 May 2022 First Prev 561–640 of 2,028 Next Last