Leap Years in all languages in chars. 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix 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 Chars Time Submitted 392nd nwellnhof 🇩🇪 921 46 16ms 1 Jan 2021 392nd HETHAT 🇩🇿 921 46 16ms 2 Mar 2021 392nd lynn 921 46 17ms 26 Mar 2021 392nd GrayJoKing 🇦🇺 921 46 9ms 3 Apr 2021 392nd kops-cg 921 46 10ms 6 Apr 2021 392nd m-tkach 🇺🇦 921 46 16ms 5 Jun 2021 392nd orthoplex 🇨🇽 921 46 9ms 13 Jan 2022 392nd jared-hughes 921 46 12ms 10 Mar 2022 392nd bricknellj 921 46 17ms 2 Jun 2022 392nd MeWhenI 🇻🇦 921 46 10ms 10 Oct 2022 392nd ovs-code 🇩🇪 921 46 17ms 27 Nov 2022 392nd AlephSquirrel 921 46 10ms 26 Dec 2022 392nd neel11235813 921 46 10ms 3 Jan 2023 392nd b10011 🇫🇮 921 46 9ms 3 Jan 2023 392nd DialFrost 🇸🇬 921 46 10ms 20 Oct 2023 392nd ndren 921 46 16ms 19 Nov 2023 392nd davecame 921 46 17ms 11 Dec 2023 392nd rucin93 🇵🇱 921 46 9ms 19 Jan 2024 392nd Grrisly 921 46 17ms 27 Mar 2024 392nd b-illy 🇬🇧 921 46 16ms 18 Jul 2024 392nd zach333 921 46 10ms 20 Jul 2024 392nd zacjl 921 46 18ms 20 Sep 2024 392nd FlyingPenguin223 921 46 10ms 17 Dec 2024 392nd Mukundan314 921 46 16ms 25 Apr 2025 392nd fuzzylojik-golf 🇺🇸 921 46 16ms 28 Jun 2025 392nd CaedenHarper 🇨🇦 921 46 9ms 24 Jul 2025 392nd qpwoeirut 921 46 10ms 24 Aug 2025 392nd Babafaba 921 46 16ms 13 Oct 2025 392nd 09cf 921 46 16ms 25 Nov 2025 392nd edsrzf 🇳🇿 921 46 16ms 14 Dec 2025 392nd blaztoma 🇱🇹 921 46 16ms 16 Jan 2026 432nd xsot 🇸🇬 921 48 5ms 13 Apr 2024 432nd sean-niemann 🇺🇸 921 48 4ms 16 Jul 2024 432nd Steffan153 🇫🇮 921 48 5ms 20 Jul 2024 435th Lydxn 🇨🇦 919 68 453ms 27 Feb 2022 435th sean-niemann 🇺🇸 919 68 434ms 28 Feb 2022 435th JayXon 🇺🇸 919 68 437ms 28 Feb 2022 435th GrayJoKing 🇦🇺 919 68 458ms 28 Feb 2022 435th MeWhenI 🇻🇦 919 68 438ms 10 Oct 2022 435th ovs-code 🇩🇪 919 68 439ms 31 Dec 2022 435th Steffan153 🇫🇮 919 68 435ms 1 Jan 2023 435th DialFrost 🇸🇬 919 68 433ms 8 Nov 2023 435th dokutan 919 68 444ms 27 Sep 2025 444th primo-ppcg 🇹🇭 918 45 1ms 7 Nov 2022 444th xsot 🇸🇬 918 45 3ms 18 Mar 2024 446th nwellnhof 🇩🇪 918 57 1ms 11 Feb 2020 446th primo-ppcg 🇹🇭 918 57 1ms 22 Aug 2020 446th Irratix 🇳🇱 918 57 1ms 13 Jun 2022 446th madex 🇩🇪 918 57 2ms 12 Nov 2022 446th inventshah 918 57 2ms 26 Jan 2023 446th xsot 🇸🇬 918 57 2ms 16 Apr 2023 446th JohandeRuiter 🇳🇱 918 57 2ms 25 Oct 2023 446th dokutan 918 57 2ms 25 Sep 2024 446th FlyingPenguin223 918 57 1ms 10 Feb 2025 446th kdx2a 918 57 1ms 11 Feb 2025 446th Mukundan314 918 57 2ms 26 Apr 2025 446th fuzzylojik-golf 🇺🇸 918 57 1ms 28 Jun 2025 446th Yax42 🇫🇷 918 57 2ms 15 Oct 2025 446th 09cf 918 57 2ms 25 Nov 2025 460th janlelis 917 35 38ms 7 Feb 2021 461st GrayJoKing 🇦🇺 917 44 5ms 31 Jan 2025 462nd Attero 🇸🇪 917 46 1ms 9 May 2020 462nd Waffle3z 917 46 1ms 11 Jul 2021 462nd GrayJoKing 🇦🇺 917 46 2ms 9 Feb 2022 462nd jared-hughes 917 46 1ms 10 Mar 2022 462nd MeWhenI 🇻🇦 917 46 1ms 31 Dec 2022 462nd b10011 🇫🇮 917 46 2ms 5 Jan 2023 462nd sean-niemann 🇺🇸 917 46 1ms 12 Jan 2023 462nd DialFrost 🇸🇬 917 46 2ms 8 Nov 2023 462nd dokutan 917 46 1ms 25 Sep 2024 462nd FlyingPenguin223 917 46 1ms 17 Dec 2024 462nd edsrzf 🇳🇿 917 46 2ms 14 Dec 2025 462nd Steffan153 🇫🇮 917 46 2ms 22 days ago 474th olivermrose 🇺🇸 917 51 118ms 23 Aug 2021 475th lynn 917 60 25ms 11 Jul 2023 475th Lydxn 🇨🇦 917 60 25ms 11 Jul 2023 477th DialFrost 🇸🇬 916 36 3ms 11 Aug 2024 477th Steffan153 🇫🇮 916 36 3ms 11 Aug 2024 477th MeWhenI 🇻🇦 916 36 3ms 12 Aug 2024 477th 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