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 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 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 Calendar 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 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 440th albanian-laundromat 851 59 12ms 13 Apr 2025 452nd MeWhenI 🇻🇦 851 72 326ms 21 Nov 2021 453rd ovs-code 🇩🇪 851 138 474ms 17 Feb 2025 454th albanian-laundromat 850 77 11ms 22 Oct 2025 455th MeWhenI 🇻🇦 849 65 10ms 24 Dec 2024 456th Shanethegamer 🇺🇸 849 67 3,086ms 27 Oct 2024 456th pardouin 🇫🇷 849 67 3,488ms 23 Dec 2024 458th kg583 🇺🇸 849 86 12ms 1 Sep 2025 459th MeWhenI 🇻🇦 848 27 39ms 16 Mar 2022 460th sisyphus-ppcg 🇦🇺 848 89 123ms 25 Jan 2021 460th Bubbler-4 848 89 122ms 1 Jul 2021 462nd CatsAreFluffy 847 33 49ms 31 Dec 2022 463rd jared-hughes 847 55 9ms 31 Jul 2022 463rd emgordon154 847 55 9ms 4 Mar 2025 465th jared-hughes 847 84 54ms 31 Jul 2022 465th inventshah 847 84 50ms 17 Nov 2022 467th emgordon154 845 131 1,728ms 29 Nov 2024 468th blaztoma 🇱🇹 844 44 3ms 9 days ago 469th dokutan 843 47 4ms 18 Jul 2025 470th Shanethegamer 🇺🇸 843 50 37ms 22 Mar 2023 470th MeWhenI 🇻🇦 843 50 53ms 22 Mar 2023 472nd MeWhenI 🇻🇦 843 104 266ms 8 Feb 2023 473rd KatieLG 🇬🇧 842 57 438ms 15 Jan 2024 473rd kg583 🇺🇸 842 57 534ms 15 Jan 2024 473rd GrayJoKing 🇦🇺 842 57 480ms 15 Jan 2024 473rd MeWhenI 🇻🇦 842 57 485ms 17 Jan 2024 473rd Yewzir 🇧🇪 842 57 386ms 29 Feb 2024 473rd SirBogman 🇺🇸 842 57 438ms 10 Jun 2024 473rd lifthrasiir 🇰🇷 842 57 462ms 2 Dec 2024 473rd GolfingSuccess 🇬🇷 842 57 374ms 24 Dec 2024 473rd emgordon154 842 57 448ms 23 Apr 2025 473rd Babafaba 842 57 404ms 13 days ago 483rd MeWhenI 🇻🇦 842 76 47ms 16 Jun 2022 484th ovs-code 🇩🇪 842 87 115ms 8 Mar 2024 485th fuzzylojik-golf 🇺🇸 841 23 5ms 6 Sep 2025 486th btnlq 841 43 226ms 26 Jan 2021 486th primo-ppcg 🇹🇭 841 43 206ms 25 May 2021 488th primo-ppcg 🇹🇭 839 87 29ms 25 Jan 2023 489th acotis 839 90 131ms 3 Oct 2025 490th Yewzir 🇧🇪 839 132 1,697ms 27 Apr 2024 491st AGoyet 837 60 12ms 29 Jun 2022 491st jakobkordez 🇸🇮 837 60 15ms 8 Nov 2022 491st betaveros 837 60 18ms 31 Dec 2022 491st AlexanderFair 837 60 10ms 23 Jun 2023 491st Andriamanitra 🇫🇮 837 60 12ms 20 Jul 2023 491st dranjohn 837 60 48ms 15 Sep 2023 491st SB-945 837 60 10ms 20 Feb 2024 491st inverseLorentz 🇦🇺 837 60 11ms 9 Apr 2024 491st 051 🇸🇬 837 60 11ms 1 Aug 2024 491st KasperKivimaeki 🇫🇮 837 60 10ms 30 Jun 2025 491st vgamula 🇺🇦 837 60 30ms 28 Jul 2025 491st LuisGoncalves05 🇵🇹 837 60 17ms 29 Jul 2025 503rd GrayJoKing 🇦🇺 837 84 462ms 28 Feb 2022 504th primo-ppcg 🇹🇭 837 85 54ms 18 Jan 2022 504th 09cf 837 85 49ms 24 Sep 2023 506th snoozingnewt 🇺🇸 836 108 111ms 29 hours ago 507th GrayJoKing 🇦🇺 834 55 135ms 6 Aug 2024 508th GrayJoKing 🇦🇺 833 57 47ms 5 Sep 2024 509th MeWhenI 🇻🇦 832 56 9ms 8 Jun 2022 509th Yewzir 🇧🇪 832 56 9ms 16 Nov 2023 509th voytxt 🇨🇿 832 56 8ms 25 Jan 2025 509th targrik 832 56 9ms 21 Feb 2025 513th sean-niemann 🇺🇸 832 77 45ms 18 Dec 2023 514th kritixilithos 831 58 3ms 29 May 2024 515th primo-ppcg 🇹🇭 831 77 1,413ms 30 Nov 2021 516th prplz 🇦🇺 830 65 2ms 24 Jan 2021 516th sisyphus-ppcg 🇦🇺 830 65 2ms 25 Jan 2021 516th inventshah 830 65 2ms 17 Nov 2022 516th 09cf 830 65 2ms 24 Sep 2023 516th DialFrost 🇸🇬 830 65 2ms 6 May 2025 521st sisyphus-ppcg 🇦🇺 829 60 118ms 25 Feb 2021 521st sean-niemann 🇺🇸 829 60 113ms 27 Dec 2023 523rd neel11235813 828 58 354ms 15 Jan 2024 523rd Kacarott 🇦🇺 828 58 437ms 15 Jan 2024 523rd Shanethegamer 🇺🇸 828 58 386ms 16 Jan 2024 First Prev 451–525 of 1,876 Next Last