Forsyth–Edwards Notation 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 Minesweeper 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 Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 525th janbehrens 🇩🇪 576 142 11ms 1 May 2023 525th MichalMarsalek 🇨🇿 576 142 10ms 1 May 2023 525th doktoren 576 142 10ms 7 Dec 2023 525th KasperKivimaeki 🇫🇮 576 142 9ms 7 days ago 530th GolfingSuccess 🇬🇷 574 133 693ms 2 Mar 2024 531st kkoenig 574 275 261ms 13 Sep 2024 532nd guilhem-roy 🇫🇷 572 143 10ms 29 Jun 2023 532nd knutae 🇳🇴 572 143 10ms 13 Nov 2023 532nd davecame 572 143 17ms 30 Nov 2023 532nd keelimeguy 🇺🇸 572 143 40ms 7 May 2025 532nd stefangimmillaro 572 143 12ms 23 May 2025 537th MeWhenI 🇻🇦 570 173 105ms 1 May 2023 537th snoozingnewt 🇺🇸 570 173 78ms 22 days ago 539th Aurel300 🇨🇭 570 266 206ms 21 Jul 2024 540th Shanethegamer 🇺🇸 569 147 16ms 17 May 2023 541st dokutan 569 205 2ms 22 Apr 2024 542nd snoozingnewt 🇺🇸 568 107 3ms 9 days ago 543rd cros107 🇦🇺 568 144 10ms 26 Oct 2023 544th msbranicky 568 267 185ms 1 Oct 2023 545th MeWhenI 🇻🇦 566 98 2ms 1 May 2023 546th SirBogman 🇺🇸 565 135 829ms 16 Jan 2024 547th mathisfun271 564 145 11ms 18 Feb 2024 547th neihousaigaai 564 145 11ms 10 Apr 2025 547th snoozingnewt 🇺🇸 564 145 699ms 9 days ago 550th snoozingnewt 🇺🇸 564 175 352ms 9 days ago 551st OllieBoyne 🇬🇧 560 146 11ms 1 May 2023 551st Chimplement 560 146 10ms 13 Dec 2023 553rd KatieLG 🇬🇧 560 287 7ms 1 May 2023 554th MeWhenI 🇻🇦 559 229 44ms 26 Aug 2023 555th Mabeloid 🇳🇴 557 137 766ms 4 May 2025 556th commandblockguy 🇺🇸 557 147 17ms 1 May 2023 556th SniperSmiley 🇺🇸 557 147 10ms 15 Aug 2023 556th fourth-bit 557 147 18ms 2 Jul 2024 556th logvp 557 147 10ms 7 Oct 2024 556th blaztoma 🇱🇹 557 147 9ms 28 Sep 2025 561st MeWhenI 🇻🇦 556 296 31ms 6 Jun 2023 562nd ovs-code 🇩🇪 554 165 6ms 27 Sep 2024 563rd Shanethegamer 🇺🇸 554 274 181ms 17 May 2023 564th commandblockguy 🇺🇸 553 138 687ms 1 Sep 2025 565th weliveinhell 🇭🇹 553 174 10ms 25 Sep 2023 566th edsrzf 🇳🇿 551 156 304ms 3 Jul 2025 567th DialFrost 🇸🇬 550 151 129ms 28 Oct 2024 568th scpchicken 🇵🇼 549 149 10ms 1 May 2023 568th Vaekor 549 149 15ms 9 Jul 2023 568th Emutis 🇱🇹 549 149 9ms 14 days ago 571st MeWhenI 🇻🇦 549 325 1,572ms 2 days ago 572nd jerrandolph 548 288 250ms 2 Nov 2023 573rd acollett89 547 176 11ms 8 Aug 2025 574th dokutan 546 246 41ms 26 Aug 2024 575th vhoulbreque 🇫🇷 542 151 10ms 2 Apr 2024 575th FranklinJiaChen 542 151 12ms 3 Aug 2024 575th Anonymousellama21 542 151 10ms 9 Aug 2024 578th dokutan 542 230 2ms 5 Feb 2025 579th snoozingnewt 🇺🇸 541 196 120ms 9 days ago 580th MeWhenI 🇻🇦 541 287 50ms 3 Jul 2023 581st Maximizer02 540 185 9ms 10 Jan 2025 582nd AbhilashaTandon 538 152 10ms 21 Sep 2023 583rd AlephSquirrel 535 153 11ms 1 May 2023 583rd MaxElf999 535 153 10ms 2 May 2023 583rd eiburns 535 153 13ms 5 May 2023 586th AlephSquirrel 534 143 632ms 21 Jan 2024 587th ravnskjaer 🇩🇰 531 252 329ms 11 Sep 2024 588th madex 🇩🇪 528 185 2ms 23 Jul 2025 589th Natanaelel 🇸🇪 528 245 135ms 5 May 2023 590th adoxography 526 183 10ms 22 May 2023 591st hellwue 524 156 11ms 3 May 2023 591st hiichbindermax 524 156 11ms 4 May 2023 593rd dokutan 522 119 39ms 21 Apr 2025 594th MeWhenI 🇻🇦 522 160 18ms 21 May 2023 595th Yewzir 🇧🇪 522 221 2,236ms 9 Feb 2024 596th Mabeloid 🇳🇴 520 188 2ms 2 Oct 2024 597th alemelis 518 158 10ms 5 Oct 2024 597th Andrey135296 518 158 10ms 24 Nov 2024 599th Yewzir 🇧🇪 517 189 2ms 9 Feb 2024 600th dokutan 516 220 170ms 29 Jun 2024 First Prev 526–600 of 809 Next Last