Kolakoski Sequence in all languages in bytes. 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 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 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 Bytes Time Submitted 558th CedricGebistorf 823 61 11ms 18 Feb 2022 558th jascotm 823 61 11ms 17 May 2022 558th Eilonlif 🇮🇱 823 61 31ms 9 Sep 2022 558th vishwathg 823 61 20ms 18 Sep 2022 558th ZakkkkAttackkkk 🇵🇭 823 61 12ms 19 Aug 2023 558th jtaxen 823 61 11ms 26 Mar 2024 558th ahmetdemirag 🇨🇾 823 61 19ms 5 Nov 2024 558th Pyroan 823 61 12ms 16 Mar 2025 558th tri1212 🇻🇳 823 61 11ms 16 Apr 2025 570th Shanethegamer 🇺🇸 823 83 82ms 19 Apr 2022 571st alemelis 822 60 2,055ms 14 Aug 2024 572nd GrayJoKing 🇦🇺 822 81 120ms 14 Mar 2022 572nd MeWhenI 🇻🇦 822 81 120ms 15 Nov 2022 574th ovs-code 🇩🇪 819 56 151ms 3 Aug 2024 575th primo-ppcg 🇹🇭 819 66 2ms 18 Jan 2021 575th jared-hughes 819 66 2ms 31 Jul 2022 577th NewDefectus 🇮🇱 818 57 9ms 1 Nov 2021 578th KasperKivimaeki 🇫🇮 818 88 60ms 27 Nov 2025 578th emgordon154 818 88 60ms 8 Feb 2026 580th inventshah 817 59 2ms 18 May 2022 580th MeWhenI 🇻🇦 817 59 2ms 18 May 2022 582nd m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 583rd Shanethegamer 🇺🇸 816 84 468ms 25 Sep 2025 584th Yewzir 🇧🇪 815 61 148ms 16 Nov 2023 585th ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 585th inventshah 815 66 2ms 22 Oct 2023 587th BREMAUCY 🇫🇷 814 59 396ms 20 Feb 2024 588th duckyluuk 🇳🇱 814 70 2,820ms 28 Oct 2024 588th jkelly467 814 70 2,503ms 22 Dec 2025 590th Steffan153 🇫🇮 814 90 4ms 10 Feb 2023 591st emgordon154 814 107 110ms 4 Dec 2025 592nd janlelis 811 52 38ms 18 Jan 2021 592nd hiddicop 🇸🇪 811 52 37ms 29 Jan 2021 592nd prplz 🇦🇺 811 52 39ms 22 Apr 2021 592nd anter69 🇭🇺 811 52 45ms 14 Jan 2022 592nd OhmNomNom 811 52 76ms 12 Oct 2022 592nd olleicua 🇺🇸 811 52 39ms 25 Feb 2024 592nd emgordon154 811 52 40ms 26 Nov 2024 599th Shanethegamer 🇺🇸 811 108 262ms 26 Sep 2021 600th vezzick 810 62 13ms 12 Mar 2021 600th schachmattmatt 810 62 11ms 18 Aug 2021 600th cooljoseph1 810 62 23ms 6 May 2022 600th fredrik-bakke 🇳🇴 810 62 19ms 29 Sep 2022 600th nkoppel 810 62 11ms 19 Oct 2022 600th AodhanDalton 810 62 11ms 4 Nov 2022 600th nstearns96 🇬🇧 810 62 17ms 28 Nov 2022 600th adamnielson42 🇺🇸 810 62 11ms 10 Jan 2024 600th jbjd 810 62 11ms 2 Mar 2024 600th wh3n3v3r 🇨🇿 810 62 11ms 12 Nov 2024 600th jacekwladzinski 810 62 13ms 4 Oct 2025 600th Mabeloid 🇳🇴 810 62 11ms 26 Oct 2025 612th Steffan153 🇫🇮 810 79 1,328ms 23 Mar 2023 612th Yewzir 🇧🇪 810 79 37ms 16 Nov 2023 614th Shanethegamer 🇺🇸 810 96 85ms 9 Jun 2022 615th m-tkach 🇺🇦 809 89 57ms 25 Apr 2022 615th MeWhenI 🇻🇦 809 89 54ms 8 May 2022 617th Shanethegamer 🇺🇸 808 76 387ms 13 Dec 2021 618th GolfingSuccess 🇬🇷 808 81 9ms 9 Sep 2022 619th m-tkach 🇺🇦 808 106 25ms 25 Apr 2022 620th emgordon154 807 67 2ms 22 Apr 2025 621st Dazza314 🇬🇧 806 24 3ms 16 Apr 2021 622nd ArmaanAS 804 58 10ms 4 Apr 2021 622nd itsh01 804 58 13ms 18 Nov 2021 624th Steffan153 🇫🇮 803 60 2ms 6 May 2023 625th DaDerpDuck 803 76 1ms 20 Jan 2021 626th stefangimmillaro 803 80 112ms 23 Sep 2023 627th emgordon154 803 85 8ms 3 Jan 2025 628th Shanethegamer 🇺🇸 803 94 120ms 25 Jan 2021 629th prplz 🇦🇺 802 83 124ms 10 Jul 2024 630th NewDefectus 🇮🇱 800 35 56ms 25 Jan 2022 631st MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 632nd GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 633rd Yewzir 🇧🇪 800 90 52ms 14 Oct 2023 634th MeWhenI 🇻🇦 799 88 457ms 28 Feb 2022 635th SirBogman 🇺🇸 797 46 214ms 22 Oct 2021 636th apourchot 797 63 18ms 13 Feb 2021 636th neihousaigaai 797 63 10ms 10 Apr 2021 636th lechevalier 797 63 10ms 9 Aug 2021 636th yzhs 🇩🇪 797 63 11ms 7 Jun 2022 636th commandz0 🇺🇸 797 63 13ms 19 Sep 2022 First Prev 561–640 of 1,939 Next Last