Leap Years 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 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Erlang 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 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 Erlang 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 526th Steffan153 🇫🇮 908 53 4ms 18 Feb 2023 526th xsot 🇸🇬 908 53 4ms 11 Feb 2024 526th sean-niemann 🇺🇸 908 53 6ms 25 Mar 2025 529th UnderKoen 🇳🇱 908 72 2ms 16 Jun 2025 530th Bubbler-4 907 24 3ms 10 Jan 2022 530th GrayJoKing 🇦🇺 907 24 2ms 2 Feb 2022 530th lynn 907 24 3ms 27 May 2022 530th bstrat 907 24 2ms 9 Oct 2024 534th antimon2 🇯🇵 907 36 384ms 25 Jan 2021 535th janbehrens 🇩🇪 907 69 491ms 24 Mar 2022 535th voytxt 🇨🇿 907 69 447ms 7 Apr 2022 535th Yewzir 🇧🇪 907 69 427ms 17 Nov 2023 538th MeWhenI 🇻🇦 906 45 97ms 12 Oct 2022 538th Steffan153 🇫🇮 906 45 97ms 19 Feb 2023 538th sean-niemann 🇺🇸 906 45 88ms 6 May 2024 541st primo-ppcg 🇹🇭 906 51 4ms 20 May 2023 542nd sisyphus-ppcg 🇦🇺 905 34 912ms 26 Mar 2021 542nd dokutan 905 34 917ms 25 Sep 2024 544th sean-niemann 🇺🇸 905 41 425ms 17 Jan 2024 544th DialFrost 🇸🇬 905 41 443ms 17 Jan 2024 544th GrayJoKing 🇦🇺 905 41 469ms 18 Jan 2024 544th b-illy 🇬🇧 905 41 424ms 7 Sep 2024 548th masterada 904 85 248ms 26 Mar 2021 548th stefangimmillaro 904 85 281ms 4 Aug 2023 548th Steffan153 🇫🇮 904 85 260ms 3 Aug 2024 551st lynn 903 28 34ms 12 Apr 2021 551st HPWiz 🇳🇿 903 28 36ms 17 Apr 2021 551st ovs-code 🇩🇪 903 28 35ms 6 Feb 2024 554th dokutan 903 40 931ms 15 Jul 2025 555th MeWhenI 🇻🇦 902 28 2ms 25 Mar 2025 556th emplv 🇱🇻 902 49 6ms 15 Apr 2021 556th janbehrens 🇩🇪 902 49 5ms 22 May 2021 556th JayXon 🇺🇸 902 49 5ms 26 Aug 2021 556th rucin93 🇵🇱 902 49 6ms 3 Dec 2021 556th GrayJoKing 🇦🇺 902 49 6ms 9 Feb 2022 556th voytxt 🇨🇿 902 49 4ms 16 May 2022 556th MeWhenI 🇻🇦 902 49 4ms 28 May 2023 556th stefangimmillaro 902 49 4ms 22 Aug 2023 556th Argeento 🇵🇱 902 49 4ms 25 Aug 2023 556th DialFrost 🇸🇬 902 49 6ms 8 Nov 2023 556th Shanethegamer 🇺🇸 902 49 4ms 9 Jan 2024 567th canissimia 🇦🇶 902 179 2ms 11 Sep 2021 568th tjtnorton 901 47 17ms 28 Mar 2019 568th daedals 901 47 21ms 21 Apr 2019 568th handisb 901 47 17ms 5 Sep 2019 568th andersk 🇺🇸 901 47 22ms 20 Mar 2020 568th Attero 🇸🇪 901 47 11ms 9 May 2020 568th neihousaigaai 901 47 15ms 8 May 2021 568th Waffle3z 901 47 17ms 14 Jul 2021 568th janbehrens 🇩🇪 901 47 17ms 21 Oct 2021 568th annaproxy 901 47 17ms 13 Dec 2021 568th pxeger 🇬🇧 901 47 21ms 16 Feb 2022 568th sisyphus-ppcg 🇦🇺 901 47 21ms 19 Feb 2022 568th shellbertt 🇨🇦 901 47 19ms 2 May 2022 568th mrnomm 901 47 17ms 24 Aug 2022 568th jumelet 🇳🇱 901 47 23ms 23 Dec 2022 568th thatbirdguythatuknownot 901 47 26ms 3 Jan 2023 568th MichalMarsalek 🇨🇿 901 47 10ms 23 Feb 2023 568th AlexanderFair 901 47 23ms 15 Jun 2023 568th inventshah 901 47 22ms 18 Jul 2023 568th ListeriaM 901 47 23ms 24 Aug 2023 568th bizy-coder 901 47 17ms 2 Feb 2024 568th BREMAUCY 🇫🇷 901 47 25ms 25 Mar 2024 568th Bulmenisaurus 901 47 24ms 4 Aug 2024 568th voytxt 🇨🇿 901 47 15ms 20 Sep 2024 568th dokutan 901 47 11ms 25 Sep 2024 568th lifthrasiir 🇰🇷 901 47 17ms 20 Nov 2024 568th plcc0 901 47 10ms 6 Mar 2025 568th jipsong 🇩🇪 901 47 13ms 1 Apr 2025 568th KasperKivimaeki 🇫🇮 901 47 10ms 14 May 2025 568th keelimeguy 🇺🇸 901 47 21ms 16 May 2025 568th ryyyn 🇺🇸 901 47 21ms 8 Jul 2025 568th Flekay 🇩🇪 901 47 21ms 9 Aug 2025 568th janlelis 901 47 15ms 14 Aug 2025 568th snoozingnewt 🇺🇸 901 47 16ms 26 Sep 2025 First Prev 526–600 of 4,669 Next Last