Leap Years in JavaScript 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 208th sparksis 🇨🇦 854 48 20 Nov 2023 208th TheLastZombie 854 48 15 May 2024 208th Jacob385 854 48 3 Sep 2024 208th eranws 854 48 23 Dec 2024 230th juntuu 837 49 24 Mar 2019 230th Mikaeel66 837 49 11 Nov 2019 230th jeffreymeng 837 49 24 Nov 2019 230th Kibble 837 49 11 Jul 2020 230th richard-oelze 🇩🇪 837 49 11 Jul 2020 230th masashimachida 837 49 29 Jul 2020 230th ArmaanAS 837 49 8 Mar 2021 230th RedstoneTim 837 49 26 Jun 2021 230th Foxinatel 837 49 22 Aug 2021 230th xiBread 🇺🇸 837 49 23 Aug 2021 230th lukaskairys 837 49 25 Sep 2021 230th Giga-Bowser 837 49 5 Jan 2022 230th c0d3-4-F00d 🇩🇪 837 49 9 Feb 2022 230th TheRealOhead 🇺🇸 837 49 31 Mar 2023 230th Inbarw100 837 49 10 Jun 2023 230th Evankhell0 837 49 28 Jul 2023 230th NickTheEASDude 🇺🇸 837 49 18 Jan 2024 230th dijs 837 49 8 Mar 2024 230th xyangst 837 49 26 Sep 2024 230th ffelixm 837 49 20 hours ago 250th mikerees 820 50 1 Aug 2019 250th jakobwitte 820 50 5 Mar 2020 250th vgroen 820 50 31 May 2020 250th ibeucaly 820 50 22 Oct 2021 250th Romain-1 🇫🇷 820 50 29 Apr 2022 250th 7f-galaxii 820 50 7 Dec 2022 250th dgerblick 820 50 16 Jun 2023 250th deniz-blue 820 50 20 Oct 2023 250th SpiritAxolotl 🇺🇸 820 50 21 Mar 2024 250th codingisgreatbutiamnot 820 50 14 Aug 2024 250th henrygagnier 820 50 19 Nov 2024 261st ly0va 804 51 6 Jan 2019 261st tomh1012 804 51 5 Sep 2020 261st VegaQ8 804 51 26 Nov 2020 261st Seanharrs 804 51 15 Dec 2021 261st fourth-bit 804 51 14 Jan 2022 261st Ashikpaul 🇮🇳 804 51 24 Jul 2022 261st Bananapants22 804 51 20 Aug 2022 261st GreenBeansAgainstVeganism 804 51 14 Jan 2023 261st daniel-cardone 804 51 24 Aug 2023 261st Florian-Mt 804 51 29 Sep 2023 261st sulphemi 804 51 5 Mar 2024 261st dtbao20 🇻🇳 804 51 1 Oct 2024 273rd Chegleyev 788 52 2 Feb 2020 273rd abcxff 788 52 11 Apr 2021 273rd mandm-pt 788 52 1 Jul 2021 273rd Destrings2 🇨🇴 788 52 14 Jul 2021 273rd stefangabos 🇷🇴 788 52 15 Jul 2021 273rd aazuspan 788 52 3 May 2022 273rd Ephellon 788 52 2 Dec 2022 273rd ShiraJoseph 🇺🇸 788 52 12 Apr 2023 273rd lewdev 🇺🇸 788 52 3 Jul 2024 273rd UllmaDan 788 52 27 Aug 2024 273rd albanian-laundromat 788 52 29 Mar 2025 284th McErer 774 53 11 Jan 2019 284th felixpackard 774 53 15 Mar 2020 284th dylanpyle 774 53 28 Apr 2020 284th dsntzn 🇸🇰 774 53 9 Aug 2020 284th SkimnerPhi 774 53 5 Dec 2020 284th pbarath 774 53 6 Apr 2021 284th 23rdIdiot 774 53 28 Aug 2021 284th liamstrilchuk 774 53 7 Sep 2021 284th AnnoyedArt1256 774 53 12 Jan 2022 284th JayantaNath 774 53 13 May 2022 284th blobotic 774 53 13 Jun 2023 284th malworthy 774 53 18 Oct 2023 284th Ralac07 🇦🇺 774 53 4 Jul 2024 284th alexsave 774 53 22 Sep 2024 284th jbdrucker 774 53 15 Feb 2025 284th smclaughlin-cf 774 53 20 Feb 2025 300th 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