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 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 Bytes Time Submitted 481st kg583 🇺🇸 852 86 11ms 1 Sep 2025 482nd ovs-code 🇩🇪 851 73 67ms 17 Sep 2023 483rd sisyphus-ppcg 🇦🇺 851 89 121ms 25 Jan 2021 483rd Bubbler-4 851 89 118ms 1 Jul 2021 485th CatsAreFluffy 849 33 56ms 31 Dec 2022 486th snoozingnewt 🇨🇦 849 44 111ms 9 Feb 2026 487th emgordon154 849 131 1,613ms 29 Nov 2024 488th MeWhenI 🇻🇦 848 27 33ms 16 Mar 2022 489th jared-hughes 848 55 11ms 31 Jul 2022 489th emgordon154 848 55 13ms 4 Mar 2025 491st primo-ppcg 🇹🇭 848 85 58ms 18 Jan 2022 491st 09cf 848 85 59ms 24 Sep 2023 493rd dokutan 845 47 5ms 18 Jul 2025 494th MeWhenI 🇻🇦 845 76 37ms 16 Jun 2022 495th Shanethegamer 🇺🇸 844 50 36ms 22 Mar 2023 495th MeWhenI 🇻🇦 844 50 38ms 22 Mar 2023 497th ovs-code 🇩🇪 844 87 110ms 8 Mar 2024 498th KatieLG 🇬🇧 843 57 477ms 15 Jan 2024 498th kg583 🇺🇸 843 57 421ms 15 Jan 2024 498th GrayJoKing 🇦🇺 843 57 496ms 15 Jan 2024 498th MeWhenI 🇻🇦 843 57 548ms 17 Jan 2024 498th Yewzir 🇧🇪 843 57 494ms 29 Feb 2024 498th SirBogman 🇺🇸 843 57 484ms 10 Jun 2024 498th lifthrasiir 🇰🇷 843 57 470ms 2 Dec 2024 498th GolfingSuccess 🇬🇷 843 57 476ms 24 Dec 2024 498th emgordon154 843 57 448ms 23 Apr 2025 498th Babafaba 843 57 458ms 19 Nov 2025 498th CaedenHarper 🇨🇦 843 57 548ms 9 Dec 2025 509th MeWhenI 🇻🇦 843 104 333ms 8 Feb 2023 510th Yewzir 🇧🇪 843 132 1,746ms 27 Apr 2024 510th DialFrost 🇸🇬 843 132 1,650ms 17 Jan 2026 512th fuzzylojik-golf 🇺🇸 842 23 3ms 6 Sep 2025 513th btnlq 842 43 240ms 26 Jan 2021 513th primo-ppcg 🇹🇭 842 43 216ms 25 May 2021 515th primo-ppcg 🇹🇭 842 87 30ms 25 Jan 2023 516th acotis 842 90 136ms 3 Oct 2025 517th GrayJoKing 🇦🇺 839 84 466ms 28 Feb 2022 518th AGoyet 837 60 14ms 29 Jun 2022 518th jakobkordez 🇸🇮 837 60 16ms 8 Nov 2022 518th betaveros 837 60 20ms 31 Dec 2022 518th AlexanderFair 837 60 11ms 23 Jun 2023 518th Andriamanitra 🇫🇮 837 60 13ms 20 Jul 2023 518th dranjohn 837 60 51ms 15 Sep 2023 518th SB-945 837 60 12ms 20 Feb 2024 518th inverseLorentz 🇦🇺 837 60 12ms 9 Apr 2024 518th 051 🇸🇬 837 60 12ms 1 Aug 2024 518th vgamula 🇺🇦 837 60 33ms 28 Jul 2025 518th LuisGoncalves05 🇵🇹 837 60 11ms 29 Jul 2025 518th solisolu 837 60 11ms 1 Jan 2026 530th GrayJoKing 🇦🇺 835 55 149ms 6 Aug 2024 531st GrayJoKing 🇦🇺 835 57 36ms 5 Sep 2024 532nd sean-niemann 🇺🇸 834 77 41ms 18 Dec 2023 533rd nwellnhof 🇩🇪 833 43 174ms 21 Oct 2021 533rd primo-ppcg 🇹🇭 833 43 164ms 22 Apr 2022 535th MeWhenI 🇻🇦 833 56 11ms 8 Jun 2022 535th Yewzir 🇧🇪 833 56 13ms 16 Nov 2023 535th voytxt 🇨🇿 833 56 11ms 25 Jan 2025 535th targrik 833 56 10ms 21 Feb 2025 539th primo-ppcg 🇹🇭 833 77 1,386ms 30 Nov 2021 540th kritixilithos 832 58 3ms 29 May 2024 541st prplz 🇦🇺 832 65 2ms 24 Jan 2021 541st sisyphus-ppcg 🇦🇺 832 65 2ms 25 Jan 2021 541st inventshah 832 65 2ms 17 Nov 2022 541st 09cf 832 65 2ms 24 Sep 2023 541st DialFrost 🇸🇬 832 65 2ms 6 May 2025 546th sisyphus-ppcg 🇦🇺 830 60 148ms 25 Feb 2021 546th sean-niemann 🇺🇸 830 60 155ms 27 Dec 2023 548th neel11235813 829 58 536ms 15 Jan 2024 548th Kacarott 🇦🇺 829 58 461ms 15 Jan 2024 548th Shanethegamer 🇺🇸 829 58 487ms 16 Jan 2024 548th Natanaelel 🇸🇪 829 58 473ms 20 Jan 2024 548th AlephSquirrel 829 58 411ms 21 Jan 2024 548th namelessiw 829 58 509ms 15 Aug 2024 548th snoozingnewt 🇨🇦 829 58 480ms 1 Dec 2025 555th GrayJoKing 🇦🇺 829 65 4ms 9 Nov 2023 556th Yewzir 🇧🇪 829 85 469ms 16 Nov 2023 557th Irratix 🇳🇱 828 51 34ms 4 Mar 2022 558th Shanethegamer 🇺🇸 826 83 97ms 19 Apr 2022 559th MeWhenI 🇻🇦 825 78 116ms 14 Oct 2022 560th petroselo 824 61 10ms 16 Nov 2021 First Prev 481–560 of 2,016 Next Last