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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 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 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 701st anter69 🇭🇺 777 59 1,341ms 24 Feb 2023 701st SirBogman 🇺🇸 777 59 1,295ms 10 Jun 2024 703rd rak1507 🇬🇧 777 60 10ms 20 Jan 2021 703rd Shanethegamer 🇺🇸 777 60 11ms 26 Sep 2021 703rd duckyluuk 🇳🇱 777 60 13ms 4 Oct 2024 706th MeWhenI 🇻🇦 776 59 769ms 15 Sep 2025 707th ovs-code 🇩🇪 776 142 11ms 31 Mar 2023 708th commandz0 🇺🇸 775 62 523ms 15 Jan 2024 709th Shanethegamer 🇺🇸 775 93 56ms 12 Jan 2022 710th NewDefectus 🇮🇱 774 25 4ms 25 Oct 2021 711th scpchicken 🇵🇼 774 48 3ms 15 Dec 2022 712th emgordon154 774 107 110ms 4 Dec 2025 713th TobyBoyne 🇬🇧 773 65 11ms 21 Jan 2021 713th 77Tigers 773 65 33ms 1 Mar 2021 713th knutae 🇳🇴 773 65 12ms 29 Jun 2021 713th ehulinsky 🇺🇸 773 65 13ms 10 Nov 2021 713th guilhem-roy 🇫🇷 773 65 12ms 28 Feb 2022 713th martinnorling 🇸🇪 773 65 11ms 8 Mar 2022 713th fgrosshans 🇫🇷 773 65 11ms 12 Jul 2022 713th IshanPanpaliya 773 65 11ms 3 May 2023 713th nooberitess 773 65 12ms 8 Apr 2025 713th robin-scragg 773 65 16ms 21 Oct 2025 723rd mousetail 🇳🇱 773 98 122ms 3 Oct 2024 724th c0d3-4-F00d 🇩🇪 772 70 2ms 18 Mar 2022 724th Alex-x90 🇺🇸 772 70 2ms 6 Mar 2023 724th dokutan 772 70 2ms 18 Jul 2025 727th MeWhenI 🇻🇦 771 89 102ms 25 Dec 2022 728th MeWhenI 🇻🇦 770 47 297ms 28 Jan 2023 729th emgordon154 768 32 47ms 19 Oct 2025 730th LostSyntax21 🇬🇧 768 55 45ms 2 Oct 2024 731st lynn 767 78 152ms 16 Nov 2021 732nd rucin93 🇵🇱 766 60 127ms 9 Aug 2024 733rd retrohun 766 63 114ms 23 Jan 2023 734th Shanethegamer 🇺🇸 766 65 147ms 22 May 2021 735th MeWhenI 🇻🇦 766 108 27ms 7 Jun 2023 736th Waffle3z 764 61 14ms 20 Jan 2021 736th didion0 🇺🇸 764 61 9ms 9 Feb 2021 736th KrausRaus 🇺🇸 764 61 11ms 19 Feb 2021 736th tayloia 🇬🇧 764 61 10ms 29 May 2022 740th albanian-laundromat 🇺🇸 763 60 714ms 1 Oct 2025 741st edsrzf 🇳🇿 763 96 10ms 8 days ago 742nd ScottHamper 762 90 479ms 30 Nov 2025 743rd ArmaanAS 761 66 12ms 4 Apr 2021 743rd quimey 761 66 11ms 23 Jun 2023 743rd firegene 🇮🇪 761 66 25ms 24 Feb 2026 746th duckyluuk 🇳🇱 761 73 9ms 16 Dec 2024 746th albanian-laundromat 🇺🇸 761 73 9ms 2 days ago 748th SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 748th strout 760 86 124ms 15 Dec 2023 750th GolfingSuccess 🇬🇷 759 71 6ms 16 Oct 2023 750th Yewzir 🇧🇪 759 71 3ms 19 Nov 2025 752nd edsrzf 🇳🇿 759 82 8ms 20 Mar 2026 753rd janbehrens 🇩🇪 757 93 460ms 24 Mar 2022 754th olivermrose 🇺🇸 754 56 41ms 21 Sep 2021 755th RockOfStone 754 81 2ms 4 Nov 2021 755th dokutan 754 81 2ms 18 Jul 2025 757th sean-niemann 🇺🇸 753 61 129ms 17 Jun 2025 758th ScottHamper 752 62 10ms 1 Jun 2021 758th helbling 🇨🇭 752 62 16ms 2 Oct 2024 760th edsrzf 🇳🇿 752 91 7ms 20 Mar 2026 761st Lydxn 🇨🇦 752 223 13ms 24 Jun 2021 762nd Mabeloid 🇳🇴 751 64 398ms 17 Sep 2024 763rd Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 764th cipharius 751 87 169ms 19 Jan 2021 765th CaedenHarper 🇨🇦 750 61 836ms 11 Feb 2026 766th msbranicky 750 67 15ms 21 Aug 2023 766th Matter1024 🇮🇳 750 67 13ms 29 Mar 2026 768th CaedenHarper 🇨🇦 750 117 328ms 11 Feb 2026 769th arctouch-cristiannevianna 749 82 385ms 22 Nov 2023 770th emgordon154 748 115 27ms 29 Mar 2026 771st GolfingSuccess 🇬🇷 745 33 50ms 22 Jul 2022 772nd DialFrost 🇸🇬 744 99 1,084ms 8 Mar 2024 773rd Shanethegamer 🇺🇸 743 63 4ms 13 Aug 2024 773rd emgordon154 743 63 4ms 25 Aug 2024 775th kg583 🇺🇸 743 85 40ms 13 Feb 2025 775th edsrzf 🇳🇿 743 85 37ms 9 days ago 777th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 778th jared-hughes 741 57 42ms 9 Sep 2022 779th janbehrens 🇩🇪 741 73 2ms 11 Jun 2021 780th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 780th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 782nd AlephSquirrel 740 99 10ms 18 Jan 2025 783rd DialFrost 🇸🇬 739 49 213ms 25 Jun 2024 784th Stockoh 🇫🇷 739 68 36ms 25 Dec 2021 784th Bonjour27891 🇻🇳 739 68 39ms 1 Sep 2022 784th trist224 🇫🇷 739 68 49ms 18 Oct 2022 784th mousetail 🇳🇱 739 68 33ms 11 Aug 2023 784th Command-Master 739 68 39ms 24 Sep 2023 784th madex 🇩🇪 739 68 26ms 21 days ago 790th Yewzir 🇧🇪 738 62 787ms 16 Nov 2025 791st MeWhenI 🇻🇦 736 93 4ms 22 May 2023 792nd Omega65536 🇩🇪 736 103 143ms 24 Nov 2022 793rd primo-ppcg 🇹🇭 735 117 25ms 14 Jul 2021 794th guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 794th annaproxy 734 89 148ms 17 Aug 2022 794th Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 794th snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 798th ovs-code 🇩🇪 731 49 174ms 2 Jan 2024 799th Shanethegamer 🇺🇸 731 74 2ms 18 May 2022 800th CaedenHarper 🇨🇦 731 84 432ms 17 Oct 2025 First Prev 701–800 of 2,025 Next Last