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 554th vgamula 🇺🇦 821 60 33ms 28 Jul 2025 554th LuisGoncalves05 🇵🇹 821 60 11ms 29 Jul 2025 554th luuumine 🇫🇷 821 60 11ms 20 Oct 2025 554th solisolu 821 60 12ms 1 Jan 2026 565th emgordon154 821 105 110ms 4 Dec 2025 566th NewDefectus 🇮🇱 818 57 9ms 1 Nov 2021 567th prplz 🇦🇺 818 65 2ms 24 Jan 2021 567th sisyphus-ppcg 🇦🇺 818 65 2ms 25 Jan 2021 567th 09cf 818 65 2ms 24 Sep 2023 570th MeWhenI 🇻🇦 817 29 51ms 25 Aug 2022 571st inventshah 817 59 2ms 18 May 2022 571st MeWhenI 🇻🇦 817 59 2ms 18 May 2022 573rd m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 574th ovs-code 🇩🇪 816 52 151ms 4 Aug 2024 575th GrayJoKing 🇦🇺 816 84 466ms 28 Feb 2022 576th MeWhenI 🇻🇦 815 27 33ms 16 Mar 2022 577th BREMAUCY 🇫🇷 815 59 396ms 20 Feb 2024 578th Yewzir 🇧🇪 815 61 148ms 16 Nov 2023 579th ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 579th inventshah 815 66 2ms 22 Oct 2023 581st duckyluuk 🇳🇱 814 70 2,659ms 28 Oct 2024 581st jkelly467 814 70 2,503ms 22 Dec 2025 583rd janlelis 812 52 38ms 18 Jan 2021 583rd hiddicop 🇸🇪 812 52 37ms 29 Jan 2021 583rd prplz 🇦🇺 812 52 39ms 22 Apr 2021 583rd anter69 🇭🇺 812 52 45ms 14 Jan 2022 583rd OhmNomNom 812 52 76ms 12 Oct 2022 583rd DialFrost 🇸🇬 812 52 37ms 2 Feb 2023 583rd olleicua 🇺🇸 812 52 39ms 25 Feb 2024 583rd emgordon154 812 52 40ms 26 Nov 2024 591st Steffan153 🇫🇮 810 79 1,328ms 23 Mar 2023 591st Yewzir 🇧🇪 810 79 37ms 16 Nov 2023 593rd m-tkach 🇺🇦 810 106 25ms 25 Apr 2022 594th GolfingSuccess 🇬🇷 809 81 9ms 9 Sep 2022 595th FortuiteMan 🇫🇷 809 82 12ms 16 Jan 2026 596th petroselo 808 61 10ms 16 Nov 2021 596th cubed-guy 808 61 11ms 12 Feb 2022 596th CedricGebistorf 808 61 11ms 18 Feb 2022 596th jascotm 808 61 11ms 17 May 2022 596th Eilonlif 🇮🇱 808 61 31ms 9 Sep 2022 596th vishwathg 808 61 20ms 18 Sep 2022 596th jtaxen 808 61 11ms 26 Mar 2024 596th ahmetdemirag 🇨🇾 808 61 19ms 5 Nov 2024 596th Pyroan 808 61 12ms 16 Mar 2025 605th Yewzir 🇧🇪 808 88 58ms 14 Oct 2023 605th KasperKivimaeki 🇫🇮 808 88 56ms 27 Nov 2025 605th emgordon154 808 88 58ms 8 Feb 2026 608th primo-ppcg 🇹🇭 805 66 2ms 18 Jan 2021 608th jared-hughes 805 66 2ms 31 Jul 2022 610th Shanethegamer 🇺🇸 805 94 120ms 25 Jan 2021 611th ArmaanAS 804 58 9ms 4 Apr 2021 611th itsh01 804 58 10ms 18 Nov 2021 613th Dazza314 🇬🇧 803 23 3ms 16 Apr 2021 614th Steffan153 🇫🇮 803 60 2ms 6 May 2023 615th DaDerpDuck 803 76 1ms 20 Jan 2021 616th stefangimmillaro 803 80 112ms 23 Sep 2023 617th emgordon154 803 85 8ms 3 Jan 2025 618th prplz 🇦🇺 802 83 124ms 10 Jul 2024 619th MeWhenI 🇻🇦 801 57 1,074ms 15 Sep 2025 620th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 621st GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 622nd m-tkach 🇺🇦 799 89 59ms 25 Apr 2022 622nd MeWhenI 🇻🇦 799 89 60ms 8 May 2022 624th SirBogman 🇺🇸 796 53 38ms 10 Jun 2024 625th tobeannouncd 796 82 124ms 8 Jan 2024 626th TrueBoxGuy 796 95 113ms 24 Sep 2025 627th cooljoseph1 795 62 23ms 6 May 2022 627th nkoppel 795 62 11ms 19 Oct 2022 627th AodhanDalton 795 62 11ms 4 Nov 2022 627th nstearns96 🇬🇧 795 62 17ms 28 Nov 2022 627th adamnielson42 🇺🇸 795 62 11ms 10 Jan 2024 627th jbjd 795 62 11ms 2 Mar 2024 627th HumanoidCPU 795 62 11ms 3 Jun 2024 627th jacekwladzinski 795 62 13ms 4 Oct 2025 627th Mabeloid 🇳🇴 795 62 11ms 26 Oct 2025 636th primo-ppcg 🇹🇭 795 78 71ms 13 Oct 2023 637th Shanethegamer 🇺🇸 795 84 468ms 25 Sep 2025 638th Shanethegamer 🇺🇸 795 108 262ms 26 Sep 2021 639th GrayJoKing 🇦🇺 794 86 10ms 15 Aug 2023 639th Shanethegamer 🇺🇸 794 86 11ms 11 Jan 2024 First Prev 561–640 of 1,929 Next Last