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 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 Apéry’s Constant Binary Lambda Calculus 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 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 Bytes Time Submitted 480th 09cf 847 85 60ms 24 Sep 2023 482nd emgordon154 847 131 1,613ms 29 Nov 2024 483rd dokutan 843 47 5ms 18 Jul 2025 484th Shanethegamer 🇺🇸 843 50 39ms 22 Mar 2023 484th MeWhenI 🇻🇦 843 50 41ms 22 Mar 2023 486th KatieLG 🇬🇧 843 57 492ms 15 Jan 2024 486th kg583 🇺🇸 843 57 395ms 15 Jan 2024 486th GrayJoKing 🇦🇺 843 57 446ms 15 Jan 2024 486th MeWhenI 🇻🇦 843 57 458ms 17 Jan 2024 486th Yewzir 🇧🇪 843 57 480ms 29 Feb 2024 486th SirBogman 🇺🇸 843 57 423ms 10 Jun 2024 486th lifthrasiir 🇰🇷 843 57 469ms 2 Dec 2024 486th GolfingSuccess 🇬🇷 843 57 448ms 24 Dec 2024 486th emgordon154 843 57 405ms 23 Apr 2025 486th Babafaba 843 57 453ms 19 Nov 2025 486th CaedenHarper 🇨🇦 843 57 381ms 9 Dec 2025 497th MeWhenI 🇻🇦 843 104 283ms 8 Feb 2023 498th MeWhenI 🇻🇦 842 76 37ms 16 Jun 2022 499th ovs-code 🇩🇪 842 87 110ms 8 Mar 2024 500th fuzzylojik-golf 🇺🇸 841 23 3ms 6 Sep 2025 501st btnlq 841 43 252ms 26 Jan 2021 501st primo-ppcg 🇹🇭 841 43 283ms 25 May 2021 503rd primo-ppcg 🇹🇭 841 87 29ms 25 Jan 2023 504th Yewzir 🇧🇪 841 132 1,746ms 27 Apr 2024 504th DialFrost 🇸🇬 841 132 1,650ms 24 days ago 506th acotis 839 90 125ms 3 Oct 2025 507th AGoyet 837 60 13ms 29 Jun 2022 507th jakobkordez 🇸🇮 837 60 16ms 8 Nov 2022 507th betaveros 837 60 21ms 31 Dec 2022 507th AlexanderFair 837 60 11ms 23 Jun 2023 507th Andriamanitra 🇫🇮 837 60 14ms 20 Jul 2023 507th dranjohn 837 60 50ms 15 Sep 2023 507th SB-945 837 60 10ms 20 Feb 2024 507th inverseLorentz 🇦🇺 837 60 11ms 9 Apr 2024 507th 051 🇸🇬 837 60 11ms 1 Aug 2024 507th vgamula 🇺🇦 837 60 33ms 28 Jul 2025 507th LuisGoncalves05 🇵🇹 837 60 11ms 29 Jul 2025 507th solisolu 837 60 11ms 1 Jan 2026 519th GrayJoKing 🇦🇺 837 84 462ms 28 Feb 2022 520th GrayJoKing 🇦🇺 834 55 147ms 6 Aug 2024 521st GrayJoKing 🇦🇺 833 57 36ms 5 Sep 2024 522nd MeWhenI 🇻🇦 832 56 11ms 8 Jun 2022 522nd Yewzir 🇧🇪 832 56 10ms 16 Nov 2023 522nd voytxt 🇨🇿 832 56 10ms 25 Jan 2025 522nd targrik 832 56 10ms 21 Feb 2025 526th sean-niemann 🇺🇸 832 77 41ms 18 Dec 2023 527th kritixilithos 831 58 3ms 29 May 2024 528th prplz 🇦🇺 831 65 2ms 24 Jan 2021 528th sisyphus-ppcg 🇦🇺 831 65 2ms 25 Jan 2021 528th inventshah 831 65 2ms 17 Nov 2022 528th 09cf 831 65 2ms 24 Sep 2023 528th DialFrost 🇸🇬 831 65 2ms 6 May 2025 533rd primo-ppcg 🇹🇭 831 77 1,449ms 30 Nov 2021 534th sisyphus-ppcg 🇦🇺 829 60 104ms 25 Feb 2021 534th sean-niemann 🇺🇸 829 60 106ms 27 Dec 2023 536th neel11235813 828 58 556ms 15 Jan 2024 536th Kacarott 🇦🇺 828 58 476ms 15 Jan 2024 536th Shanethegamer 🇺🇸 828 58 399ms 16 Jan 2024 536th Natanaelel 🇸🇪 828 58 456ms 20 Jan 2024 536th AlephSquirrel 828 58 467ms 21 Jan 2024 536th namelessiw 828 58 402ms 15 Aug 2024 536th snoozingnewt 🇨🇦 828 58 511ms 1 Dec 2025 543rd Irratix 🇳🇱 827 51 41ms 4 Mar 2022 544th GrayJoKing 🇦🇺 827 65 4ms 9 Nov 2023 545th Yewzir 🇧🇪 827 85 371ms 16 Nov 2023 546th MeWhenI 🇻🇦 824 78 134ms 14 Oct 2022 547th petroselo 823 61 10ms 16 Nov 2021 547th Irratix 🇳🇱 823 61 12ms 8 Dec 2021 547th cubed-guy 823 61 11ms 12 Feb 2022 547th CedricGebistorf 823 61 12ms 18 Feb 2022 547th jascotm 823 61 11ms 17 May 2022 547th Eilonlif 🇮🇱 823 61 31ms 9 Sep 2022 547th vishwathg 823 61 22ms 18 Sep 2022 547th ZakkkkAttackkkk 🇵🇭 823 61 12ms 19 Aug 2023 547th jtaxen 823 61 12ms 26 Mar 2024 547th ahmetdemirag 🇨🇾 823 61 19ms 5 Nov 2024 547th Pyroan 823 61 12ms 16 Mar 2025 547th tri1212 🇻🇳 823 61 11ms 16 Apr 2025 559th Shanethegamer 🇺🇸 823 83 83ms 19 Apr 2022 560th alemelis 822 60 2,055ms 14 Aug 2024 First Prev 481–560 of 1,918 Next Last