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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 480th emgordon154 847 55 9ms 4 Mar 2025 482nd primo-ppcg 🇹🇭 847 85 53ms 18 Jan 2022 482nd 09cf 847 85 57ms 24 Sep 2023 484th GrayJoKing 🇦🇺 847 91 7ms 13 days ago 485th emgordon154 847 131 1,613ms 29 Nov 2024 486th dokutan 843 47 4ms 18 Jul 2025 487th Shanethegamer 🇺🇸 843 50 38ms 22 Mar 2023 487th MeWhenI 🇻🇦 843 50 37ms 22 Mar 2023 489th KatieLG 🇬🇧 843 57 439ms 15 Jan 2024 489th kg583 🇺🇸 843 57 395ms 15 Jan 2024 489th GrayJoKing 🇦🇺 843 57 446ms 15 Jan 2024 489th MeWhenI 🇻🇦 843 57 458ms 17 Jan 2024 489th Yewzir 🇧🇪 843 57 478ms 29 Feb 2024 489th SirBogman 🇺🇸 843 57 423ms 10 Jun 2024 489th lifthrasiir 🇰🇷 843 57 449ms 2 Dec 2024 489th GolfingSuccess 🇬🇷 843 57 406ms 24 Dec 2024 489th emgordon154 843 57 405ms 23 Apr 2025 489th Babafaba 843 57 453ms 19 Nov 2025 489th CaedenHarper 🇨🇦 843 57 381ms 9 Dec 2025 500th MeWhenI 🇻🇦 843 104 278ms 8 Feb 2023 501st MeWhenI 🇻🇦 842 76 37ms 16 Jun 2022 502nd ovs-code 🇩🇪 842 87 110ms 8 Mar 2024 503rd fuzzylojik-golf 🇺🇸 841 23 3ms 6 Sep 2025 504th btnlq 841 43 252ms 26 Jan 2021 504th primo-ppcg 🇹🇭 841 43 256ms 25 May 2021 506th primo-ppcg 🇹🇭 841 87 29ms 25 Jan 2023 507th Yewzir 🇧🇪 841 132 1,746ms 27 Apr 2024 507th DialFrost 🇸🇬 841 132 1,650ms 17 Jan 2026 509th acotis 839 90 148ms 3 Oct 2025 510th AGoyet 837 60 13ms 29 Jun 2022 510th jakobkordez 🇸🇮 837 60 16ms 8 Nov 2022 510th betaveros 837 60 20ms 31 Dec 2022 510th AlexanderFair 837 60 11ms 23 Jun 2023 510th Andriamanitra 🇫🇮 837 60 14ms 20 Jul 2023 510th dranjohn 837 60 47ms 15 Sep 2023 510th SB-945 837 60 10ms 20 Feb 2024 510th inverseLorentz 🇦🇺 837 60 11ms 9 Apr 2024 510th 051 🇸🇬 837 60 11ms 1 Aug 2024 510th vgamula 🇺🇦 837 60 33ms 28 Jul 2025 510th LuisGoncalves05 🇵🇹 837 60 11ms 29 Jul 2025 510th solisolu 837 60 11ms 1 Jan 2026 522nd GrayJoKing 🇦🇺 837 84 466ms 28 Feb 2022 523rd GrayJoKing 🇦🇺 834 55 141ms 6 Aug 2024 524th GrayJoKing 🇦🇺 833 57 36ms 5 Sep 2024 525th MeWhenI 🇻🇦 832 56 10ms 8 Jun 2022 525th Yewzir 🇧🇪 832 56 9ms 16 Nov 2023 525th voytxt 🇨🇿 832 56 9ms 25 Jan 2025 525th targrik 832 56 9ms 21 Feb 2025 529th sean-niemann 🇺🇸 832 77 41ms 18 Dec 2023 530th kritixilithos 831 58 3ms 29 May 2024 531st prplz 🇦🇺 831 65 2ms 24 Jan 2021 531st sisyphus-ppcg 🇦🇺 831 65 2ms 25 Jan 2021 531st inventshah 831 65 2ms 17 Nov 2022 531st 09cf 831 65 2ms 24 Sep 2023 531st DialFrost 🇸🇬 831 65 2ms 6 May 2025 536th primo-ppcg 🇹🇭 831 77 1,449ms 30 Nov 2021 537th sisyphus-ppcg 🇦🇺 829 60 104ms 25 Feb 2021 537th sean-niemann 🇺🇸 829 60 106ms 27 Dec 2023 539th neel11235813 828 58 434ms 15 Jan 2024 539th Kacarott 🇦🇺 828 58 403ms 15 Jan 2024 539th Shanethegamer 🇺🇸 828 58 370ms 16 Jan 2024 539th Natanaelel 🇸🇪 828 58 445ms 20 Jan 2024 539th AlephSquirrel 828 58 467ms 21 Jan 2024 539th namelessiw 828 58 402ms 15 Aug 2024 539th snoozingnewt 🇨🇦 828 58 477ms 1 Dec 2025 546th Irratix 🇳🇱 827 51 36ms 4 Mar 2022 547th GrayJoKing 🇦🇺 827 65 4ms 9 Nov 2023 548th Yewzir 🇧🇪 827 85 486ms 16 Nov 2023 549th MeWhenI 🇻🇦 824 78 111ms 14 Oct 2022 550th petroselo 823 61 10ms 16 Nov 2021 550th Irratix 🇳🇱 823 61 11ms 8 Dec 2021 550th cubed-guy 823 61 11ms 12 Feb 2022 550th CedricGebistorf 823 61 11ms 18 Feb 2022 550th jascotm 823 61 11ms 17 May 2022 550th Eilonlif 🇮🇱 823 61 31ms 9 Sep 2022 550th vishwathg 823 61 20ms 18 Sep 2022 550th ZakkkkAttackkkk 🇵🇭 823 61 12ms 19 Aug 2023 550th jtaxen 823 61 11ms 26 Mar 2024 550th ahmetdemirag 🇨🇾 823 61 19ms 5 Nov 2024 550th Pyroan 823 61 12ms 16 Mar 2025 First Prev 481–560 of 1,927 Next Last