Kolakoski Sequence in all languages in chars. 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 Topological Sort 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 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 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 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 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 822nd Omega65536 🇩🇪 674 73 24 Nov 2022 822nd sandorstormen 674 73 18 Feb 2023 822nd Mr-McChicken 674 73 15 Oct 2023 822nd Masttest 674 73 21 Feb 2024 830th msbranicky 674 80 11 Oct 2023 831st Yewzir 🇧🇪 674 88 14 Oct 2023 832nd neihousaigaai 673 148 16 May 2021 833rd janbehrens 🇩🇪 672 68 9 Apr 2021 834th madex 🇩🇪 671 79 11 Jul 2024 835th rboath 670 58 8 Jan 2025 836th 5quiwyrm 669 54 5 Dec 2024 837th I-Love-47 🇺🇦 668 106 10 Feb 2022 838th CaedenHarper 🇨🇦 665 70 31 Jan 2025 839th jameslindesay 665 74 24 Feb 2021 839th PkmnQ 665 74 5 May 2024 839th RedzGoose 🇦🇺 665 74 14 Oct 2024 839th yokasuretsu 665 74 13 Jan 2025 843rd MeWhenI 🇻🇦 663 69 15 Feb 2023 843rd MarcMush 🇫🇷 663 69 12 Feb 2024 843rd Yewzir 🇧🇪 663 69 5 Apr 2024 846th Natanaelel 🇸🇪 662 56 20 Jan 2024 847th DialFrost 🇸🇬 661 75 3 Jun 2025 848th 77Tigers 660 114 9 Apr 2024 849th targrik 659 60 11 days ago 850th uttumuttu 🇫🇮 656 71 8 Jan 2022 850th olleicua 🇺🇸 656 71 20 Feb 2024 852nd Trunksistor 🇫🇷 656 75 25 May 2022 852nd celiendonze 🇨🇭 656 75 16 Jun 2023 852nd qwjhvbxi 656 75 9 Feb 2024 852nd wenbang24 656 75 6 Apr 2024 856th SirBogman 🇺🇸 656 108 3 Jan 2022 857th kumavale 🇯🇵 654 115 3 May 2021 858th emgordon154 653 65 6 Sep 2024 859th annaproxy 653 91 13 Jan 2023 860th AdrienHache 🇫🇷 652 91 31 Dec 2023 861st Jacob385 651 153 9 Apr 2024 862nd jwhear 🇺🇸 651 171 1 Oct 2024 863rd xiBread 🇺🇸 650 57 24 Aug 2021 864th boxjelly 648 65 11 Feb 2021 864th msbranicky 648 65 12 Sep 2023 866th Waffle3z 648 76 20 Jan 2021 866th hellwue 648 76 16 Nov 2023 866th yuchuehw 648 76 18 Jan 2024 869th Bubbler-4 648 97 13 Sep 2023 870th Shanethegamer 🇺🇸 646 97 22 Dec 2023 871st johnnythedoggie 641 106 3 Mar 2021 872nd emgordon154 640 98 10 Dec 2024 873rd nephila-nacrea 🇬🇧 639 58 3 Feb 2021 874th f-tucker 639 77 2 Feb 2024 874th undefinedRyan 639 77 19 Apr 2025 876th alomiF 639 102 4 Nov 2024 877th msbranicky 639 134 3 Oct 2023 878th Maznek 638 73 30 Jun 2023 879th NickTheEASDude 🇺🇸 638 95 1 Jul 2024 880th MeWhenI 🇻🇦 635 82 21 Jul 2023 881st janbehrens 🇩🇪 634 135 13 Jun 2021 882nd Shanethegamer 🇺🇸 633 57 27 Jul 2023 883rd DialFrost 🇸🇬 633 67 3 Aug 2024 884th MateuszPietrzak 🇵🇱 632 112 16 Jan 2024 885th sreyfe 632 119 9 Jun 2024 886th emgordon154 632 186 30 May 2025 887th AkashTandon167 631 78 25 May 2021 887th jhpaques 🇫🇷 631 78 30 Nov 2022 889th SirBogman 🇺🇸 631 84 14 Dec 2021 890th dokutan 631 94 9 days ago 891st MeWhenI 🇻🇦 630 90 24 Oct 2024 892nd NewDefectus 🇮🇱 628 59 25 Oct 2021 893rd janbehrens 🇩🇪 626 136 9 Jul 2021 894th Shanethegamer 🇺🇸 623 64 26 Jul 2023 895th twocatsinatrenchcoat 623 79 29 Mar 2022 895th SniperSmiley 🇺🇸 623 79 23 Jun 2022 895th Glinte 623 79 14 Dec 2023 895th Bmrl7 623 79 19 Mar 2024 899th MeWhenI 🇻🇦 621 101 9 May 2024 900th edsrzf 🇳🇿 620 138 21 Dec 2024 Prev 826–900 of 1,707 Next