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 900th Shanethegamer 🇺🇸 648 97 8ms 22 Dec 2023 902nd jwhear 🇺🇸 647 171 1,651ms 1 Oct 2024 903rd MeWhenI 🇻🇦 646 71 132ms 3 Aug 2024 904th AkashTandon167 644 78 10ms 25 May 2021 904th jhpaques 🇫🇷 644 78 21ms 30 Nov 2022 906th johnnythedoggie 644 106 105ms 3 Mar 2021 906th snoozingnewt 🇨🇦 644 106 97ms 13 days ago 908th SirBogman 🇺🇸 643 84 2ms 14 Dec 2021 909th annaproxy 642 93 95ms 24 Dec 2022 910th NickTheEASDude 🇺🇸 641 95 1ms 1 Jul 2024 911th emgordon154 641 98 9ms 10 Dec 2024 912th CaedenHarper 🇨🇦 641 107 357ms 6 Oct 2025 913th nephila-nacrea 🇬🇧 640 58 4ms 3 Feb 2021 914th KatieLG 🇬🇧 640 77 235ms 2 Oct 2022 915th alomiF 640 102 139ms 4 Nov 2024 916th Maznek 638 73 10ms 30 Jun 2023 917th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 918th ashtraypettingzoo 🇺🇸 636 36 35ms 23 Feb 2023 919th twocatsinatrenchcoat 636 79 9ms 29 Mar 2022 919th SniperSmiley 🇺🇸 636 79 36ms 23 Jun 2022 919th Glinte 636 79 16ms 14 Dec 2023 919th Bmrl7 636 79 14ms 19 Mar 2024 923rd Shanethegamer 🇺🇸 635 57 213ms 27 Jul 2023 924th MateuszPietrzak 🇵🇱 635 112 53ms 16 Jan 2024 925th sreyfe 635 119 166ms 9 Jun 2024 926th edsrzf 🇳🇿 635 138 268ms 21 Dec 2024 927th SirFireball3521 632 58 113ms 2 Mar 2023 928th dokutan 632 76 564ms 24 Mar 2025 929th MeWhenI 🇻🇦 632 90 2,869ms 24 Oct 2024 930th emgordon154 632 186 478ms 30 May 2025 931st NewDefectus 🇮🇱 630 59 10ms 25 Oct 2021 932nd janbehrens 🇩🇪 629 136 27ms 9 Jul 2021 933rd bastienvoirin 🇫🇷 628 80 14ms 4 Feb 2021 933rd argusdusty 🇺🇸 628 80 18ms 25 Mar 2021 933rd OppositeShark 628 80 11ms 9 Apr 2022 933rd WillowWispy 628 80 9ms 16 Mar 2025 937th AkashTandon167 628 86 2ms 25 May 2021 938th Shanethegamer 🇺🇸 624 64 2ms 26 Jul 2023 939th emgordon154 622 151 8ms 6 Oct 2024 940th janbehrens 🇩🇪 620 68 42ms 18 Jan 2021 941st vodker1 620 81 10ms 9 Mar 2022 941st tooningelaere 620 81 9ms 5 Dec 2022 943rd Herbert00709 🇵🇱 620 87 2ms 19 Nov 2024 944th Yewzir 🇧🇪 619 64 4ms 16 Nov 2023 945th dokutan 618 106 12ms 24 Mar 2025 946th Shanethegamer 🇺🇸 614 85 4ms 21 Dec 2024 947th codename68 614 123 141ms 13 Aug 2022 948th Natanaelel 🇸🇪 613 88 2ms 9 May 2024 949th orthoplex 🇨🇽 613 153 20ms 25 Jun 2023 950th fynnkroeger 612 82 10ms 24 Mar 2021 950th BrenSchaap 612 82 11ms 21 Oct 2021 950th MichaelMBradley 🇨🇦 612 82 9ms 18 Feb 2022 953rd primo-ppcg 🇹🇭 612 112 295ms 2 Aug 2021 953rd Lydxn 🇨🇦 612 112 297ms 28 Feb 2022 955th Shanethegamer 🇺🇸 612 192 473ms 2 Apr 2025 956th omurakazuaki 🇯🇵 611 69 41ms 19 Feb 2021 957th Shanethegamer 🇺🇸 610 65 6ms 2 Aug 2022 958th JRaspass 🇬🇧 609 61 3ms 5 Sep 2021 959th janbehrens 🇩🇪 607 113 304ms 1 Aug 2021 959th Irratix 🇳🇱 607 113 316ms 8 Dec 2021 959th Steffan153 🇫🇮 607 113 304ms 10 Feb 2023 962nd AbhayAravinda 605 77 9ms 1 May 2021 963rd Brianzhengca 605 83 11ms 1 Feb 2021 963rd hymanimy 605 83 11ms 24 Aug 2021 963rd nullie 605 83 11ms 9 Jun 2022 963rd a-penton 605 83 10ms 22 Sep 2022 967th KevinMarquette 🇺🇸 603 60 226ms 21 Oct 2021 968th snoozingnewt 🇨🇦 602 70 45ms 10 Oct 2025 969th ovs-code 🇩🇪 602 80 691ms 5 May 2023 970th prplz 🇦🇺 601 114 304ms 1 Jun 2021 971st MeWhenI 🇻🇦 600 66 5ms 29 May 2023 972nd jupj 🇫🇮 600 90 3ms 30 Aug 2022 973rd guliyevemil1 🇦🇿 600 146 260ms 11 Feb 2021 974th Shanethegamer 🇺🇸 599 62 4ms 8 Dec 2021 975th Mabeloid 🇳🇴 599 126 145ms 26 Oct 2025 First Prev 901–975 of 1,878 Next Last