Kolakoski Sequence in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 826th msbranicky 674 80 11 Oct 2023 827th janbehrens 🇩🇪 672 68 9 Apr 2021 828th AdrienHache 🇫🇷 672 91 31 Dec 2023 829th rboath 670 58 8 Jan 2025 830th 5quiwyrm 669 54 5 Dec 2024 831st tatzyr 🇯🇵 669 63 29 Dec 2024 832nd Trunksistor 🇫🇷 669 75 25 May 2022 832nd celiendonze 🇨🇭 669 75 16 Jun 2023 832nd qwjhvbxi 669 75 9 Feb 2024 832nd wenbang24 669 75 6 Apr 2024 836th I-Love-47 🇺🇦 668 106 10 Feb 2022 837th targrik 667 131 7 hours ago 838th CaedenHarper 🇨🇦 665 70 31 Jan 2025 839th Natanaelel 🇸🇪 662 56 20 Jan 2024 840th DialFrost 🇸🇬 661 75 3 Jun 2025 841st Waffle3z 660 76 20 Jan 2021 841st hellwue 660 76 16 Nov 2023 841st dokutan 660 76 24 Mar 2025 844th 77Tigers 659 114 9 Apr 2024 845th HumanoidCPU 657 73 3 Jun 2024 846th uttumuttu 🇫🇮 656 71 8 Jan 2022 846th olleicua 🇺🇸 656 71 20 Feb 2024 848th SirBogman 🇺🇸 656 108 3 Jan 2022 849th emgordon154 655 70 6 Sep 2024 850th Jacob385 654 155 9 Apr 2024 851st kumavale 🇯🇵 653 115 3 May 2021 852nd f-tucker 652 77 2 Feb 2024 852nd undefinedRyan 652 77 19 Apr 2025 854th msbranicky 652 134 3 Oct 2023 855th jwhear 🇺🇸 651 171 1 Oct 2024 856th xiBread 🇺🇸 650 57 24 Aug 2021 857th boxjelly 648 65 11 Feb 2021 857th msbranicky 648 65 12 Sep 2023 859th Bubbler-4 648 97 13 Sep 2023 860th janbehrens 🇩🇪 647 135 13 Jun 2021 861st MeWhenI 🇻🇦 646 71 3 Aug 2024 862nd Shanethegamer 🇺🇸 646 97 22 Dec 2023 863rd AkashTandon167 643 78 25 May 2021 863rd jhpaques 🇫🇷 643 78 30 Nov 2022 865th SirBogman 🇺🇸 642 84 14 Dec 2021 866th johnnythedoggie 641 106 3 Mar 2021 867th KatieLG 🇬🇧 640 77 2 Oct 2022 868th emgordon154 640 98 10 Dec 2024 869th nephila-nacrea 🇬🇧 639 58 3 Feb 2021 870th alomiF 639 102 4 Nov 2024 871st Maznek 638 73 30 Jun 2023 872nd NickTheEASDude 🇺🇸 638 95 1 Jul 2024 873rd annaproxy 637 93 24 Dec 2022 874th ashtraypettingzoo 🇺🇸 635 36 23 Feb 2023 875th twocatsinatrenchcoat 635 79 29 Mar 2022 875th SniperSmiley 🇺🇸 635 79 23 Jun 2022 875th Glinte 635 79 14 Dec 2023 875th Bmrl7 635 79 19 Mar 2024 879th MeWhenI 🇻🇦 635 82 21 Jul 2023 880th Shanethegamer 🇺🇸 633 57 27 Jul 2023 881st edsrzf 🇳🇿 633 138 21 Dec 2024 882nd MateuszPietrzak 🇵🇱 632 112 16 Jan 2024 883rd emgordon154 632 186 30 May 2025 884th SirFireball3521 631 58 2 Mar 2023 885th dokutan 631 76 24 Mar 2025 886th sreyfe 631 119 9 Jun 2024 887th MeWhenI 🇻🇦 630 90 24 Oct 2024 888th NewDefectus 🇮🇱 628 59 25 Oct 2021 889th bastienvoirin 🇫🇷 627 80 4 Feb 2021 889th argusdusty 🇺🇸 627 80 25 Mar 2021 889th OppositeShark 627 80 9 Apr 2022 889th snoozingnewt 🇺🇸 627 80 11 Feb 2024 889th WillowWispy 627 80 16 Mar 2025 894th AkashTandon167 627 86 25 May 2021 895th janbehrens 🇩🇪 626 136 9 Jul 2021 896th Shanethegamer 🇺🇸 623 64 26 Jul 2023 897th bwat2 622 163 14 Dec 2021 898th Herbert00709 🇵🇱 620 87 19 Nov 2024 899th emgordon154 620 151 6 Oct 2024 900th janbehrens 🇩🇪 619 68 18 Jan 2021 Prev 826–900 of 1,714 Next