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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 500th 09cf 848 85 66ms 24 Sep 2023 502nd ovs-code 🇩🇪 846 87 110ms 8 Mar 2024 502nd Steffan153 🇫🇮 846 87 15ms 8 days ago 504th dokutan 845 47 5ms 18 Jul 2025 505th Shanethegamer 🇺🇸 844 50 40ms 22 Mar 2023 505th MeWhenI 🇻🇦 844 50 39ms 22 Mar 2023 507th KatieLG 🇬🇧 843 57 477ms 15 Jan 2024 507th kg583 🇺🇸 843 57 421ms 15 Jan 2024 507th GrayJoKing 🇦🇺 843 57 496ms 15 Jan 2024 507th MeWhenI 🇻🇦 843 57 548ms 17 Jan 2024 507th Yewzir 🇧🇪 843 57 494ms 29 Feb 2024 507th SirBogman 🇺🇸 843 57 484ms 10 Jun 2024 507th lifthrasiir 🇰🇷 843 57 470ms 2 Dec 2024 507th GolfingSuccess 🇬🇷 843 57 476ms 24 Dec 2024 507th emgordon154 843 57 448ms 23 Apr 2025 507th Babafaba 843 57 458ms 19 Nov 2025 507th CaedenHarper 🇨🇦 843 57 548ms 9 Dec 2025 518th MeWhenI 🇻🇦 843 104 333ms 8 Feb 2023 519th btnlq 842 43 262ms 26 Jan 2021 519th primo-ppcg 🇹🇭 842 43 255ms 25 May 2021 521st MeWhenI 🇻🇦 842 76 37ms 16 Jun 2022 522nd primo-ppcg 🇹🇭 842 87 30ms 25 Jan 2023 523rd acotis 842 90 130ms 3 Oct 2025 524th fuzzylojik-golf 🇺🇸 841 23 3ms 6 Sep 2025 525th GrayJoKing 🇦🇺 839 84 466ms 28 Feb 2022 526th AGoyet 838 60 14ms 29 Jun 2022 526th jakobkordez 🇸🇮 838 60 16ms 8 Nov 2022 526th betaveros 838 60 20ms 31 Dec 2022 526th AlexanderFair 838 60 11ms 23 Jun 2023 526th Andriamanitra 🇫🇮 838 60 13ms 20 Jul 2023 526th dranjohn 838 60 51ms 15 Sep 2023 526th SB-945 838 60 12ms 20 Feb 2024 526th inverseLorentz 🇦🇺 838 60 12ms 9 Apr 2024 526th 051 🇸🇬 838 60 12ms 1 Aug 2024 526th vgamula 🇺🇦 838 60 33ms 28 Jul 2025 526th LuisGoncalves05 🇵🇹 838 60 11ms 29 Jul 2025 526th solisolu 838 60 11ms 1 Jan 2026 538th GrayJoKing 🇦🇺 835 55 136ms 6 Aug 2024 539th nwellnhof 🇩🇪 833 43 167ms 21 Oct 2021 539th primo-ppcg 🇹🇭 833 43 162ms 22 Apr 2022 541st MeWhenI 🇻🇦 833 56 10ms 8 Jun 2022 541st Yewzir 🇧🇪 833 56 11ms 16 Nov 2023 541st voytxt 🇨🇿 833 56 11ms 25 Jan 2025 541st targrik 833 56 11ms 21 Feb 2025 545th kritixilithos 832 58 3ms 29 May 2024 546th prplz 🇦🇺 832 65 2ms 24 Jan 2021 546th sisyphus-ppcg 🇦🇺 832 65 2ms 25 Jan 2021 546th inventshah 832 65 2ms 17 Nov 2022 546th 09cf 832 65 2ms 24 Sep 2023 546th DialFrost 🇸🇬 832 65 2ms 6 May 2025 551st sean-niemann 🇺🇸 832 77 41ms 18 Dec 2023 552nd primo-ppcg 🇹🇭 831 77 1,534ms 30 Nov 2021 553rd Yewzir 🇧🇪 831 136 1,650ms 9 days ago 554th sisyphus-ppcg 🇦🇺 830 60 148ms 25 Feb 2021 554th sean-niemann 🇺🇸 830 60 155ms 27 Dec 2023 556th neel11235813 829 58 536ms 15 Jan 2024 556th Kacarott 🇦🇺 829 58 461ms 15 Jan 2024 556th Shanethegamer 🇺🇸 829 58 487ms 16 Jan 2024 556th Natanaelel 🇸🇪 829 58 473ms 20 Jan 2024 556th AlephSquirrel 829 58 411ms 21 Jan 2024 556th namelessiw 829 58 509ms 15 Aug 2024 556th snoozingnewt 🇨🇦 829 58 480ms 1 Dec 2025 563rd GrayJoKing 🇦🇺 829 65 4ms 9 Nov 2023 564th Yewzir 🇧🇪 829 85 469ms 16 Nov 2023 565th Irratix 🇳🇱 828 51 39ms 4 Mar 2022 566th Shanethegamer 🇺🇸 826 83 100ms 19 Apr 2022 567th MeWhenI 🇻🇦 825 78 112ms 14 Oct 2022 568th GrayJoKing 🇦🇺 825 81 126ms 14 Mar 2022 568th MeWhenI 🇻🇦 825 81 130ms 15 Nov 2022 570th emgordon154 825 137 1,675ms 12 days ago 571st petroselo 824 61 10ms 16 Nov 2021 571st Irratix 🇳🇱 824 61 12ms 8 Dec 2021 571st cubed-guy 824 61 12ms 12 Feb 2022 571st CedricGebistorf 824 61 12ms 18 Feb 2022 571st jascotm 824 61 11ms 17 May 2022 571st Eilonlif 🇮🇱 824 61 39ms 9 Sep 2022 571st vishwathg 824 61 21ms 18 Sep 2022 571st ZakkkkAttackkkk 🇵🇭 824 61 13ms 19 Aug 2023 571st jtaxen 824 61 10ms 26 Mar 2024 571st ahmetdemirag 🇨🇾 824 61 18ms 5 Nov 2024 571st Pyroan 824 61 13ms 16 Mar 2025 571st tri1212 🇻🇳 824 61 12ms 16 Apr 2025 571st zgialor-lab 824 61 10ms 17 days ago 584th alemelis 822 60 1,968ms 14 Aug 2024 584th antimon2 🇯🇵 822 60 517ms 9 days ago 586th Steffan153 🇫🇮 822 110 6ms 11 days ago 587th GrayJoKing 🇦🇺 821 57 36ms 5 Sep 2024 588th ovs-code 🇩🇪 820 56 137ms 3 Aug 2024 589th primo-ppcg 🇹🇭 819 66 2ms 18 Jan 2021 589th jared-hughes 819 66 2ms 31 Jul 2022 591st KasperKivimaeki 🇫🇮 819 88 61ms 27 Nov 2025 591st emgordon154 819 88 61ms 8 Feb 2026 593rd m-tkach 🇺🇦 819 101 29ms 18 Jan 2024 594th NewDefectus 🇮🇱 818 57 10ms 1 Nov 2021 595th inventshah 818 59 2ms 18 May 2022 595th MeWhenI 🇻🇦 818 59 2ms 18 May 2022 597th Shanethegamer 🇺🇸 817 84 452ms 25 Sep 2025 598th Yewzir 🇧🇪 816 61 148ms 16 Nov 2023 599th ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 599th inventshah 816 66 2ms 22 Oct 2023 First Prev 501–600 of 2,026 Next Last