Forsyth–Edwards Notation in all languages in bytes. 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 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 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 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 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 Bytes Time Submitted 601st adamnielson42 🇺🇸 583 196 9ms 1 May 2023 601st inverseLorentz 🇦🇺 583 196 9ms 8 May 2023 601st stertooy 🇧🇪 583 196 28ms 20 Jun 2024 604th adyache 🇺🇸 583 209 8ms 24 May 2023 605th 5pyr 582 220 2ms 16 May 2023 605th Sciman101 582 220 1ms 16 May 2023 607th kkoenig 581 275 261ms 13 Sep 2024 608th tatzyr 🇯🇵 580 118 37ms 24 Feb 2025 609th TheZwierzLF 🇵🇱 580 197 14ms 21 May 2025 610th sanscheese 579 107 4ms 21 Jul 2023 610th snoozingnewt 🇺🇸 579 107 3ms 17 days ago 612th adyache 🇺🇸 578 183 408ms 4 May 2023 613th retrohun 577 144 3ms 27 May 2023 614th snoozingnewt 🇺🇸 577 150 403ms 17 days ago 615th KrausRaus 🇺🇸 574 239 2ms 11 Oct 2023 616th Yewzir 🇧🇪 572 245 2ms 18 Jan 2024 617th celiendonze 🇨🇭 571 200 9ms 3 May 2023 618th MeWhenI 🇻🇦 569 214 3ms 1 May 2023 619th PhysicDev 🇫🇷 568 201 11ms 25 May 2023 620th MeWhenI 🇻🇦 565 229 44ms 26 Aug 2023 621st weliveinhell 🇭🇹 564 198 9ms 25 Sep 2023 622nd Wildst 563 203 9ms 7 Jul 2023 623rd snoozingnewt 🇺🇸 562 185 83ms 17 days ago 624th MeWhenI 🇻🇦 561 296 31ms 6 Jun 2023 625th Yewzir 🇧🇪 559 237 19ms 4 Apr 2024 626th acollett89 558 200 9ms 8 Aug 2025 627th AbuzarN 557 205 15ms 22 Nov 2023 628th Yewzir 🇧🇪 555 229 11ms 30 Dec 2024 629th msbranicky 554 231 2ms 28 Sep 2023 630th emgordon154 552 124 34ms 26 Jul 2024 631st dokutan 552 254 2ms 5 Feb 2025 632nd ravnskjaer 🇩🇰 548 254 329ms 11 Sep 2024 633rd Babafaba 547 177 621ms 23 days ago 634th MeWhenI 🇻🇦 546 287 50ms 3 Jul 2023 635th madex 🇩🇪 543 185 2ms 23 Jul 2025 636th ThatAlo 541 211 9ms 11 May 2023 636th RaBa21 🇭🇺 541 211 9ms 19 Jul 2025 638th yzhs 🇩🇪 540 245 138ms 25 Jun 2023 639th Kloppermand 🇩🇰 539 212 10ms 26 May 2023 639th mdnestor 539 212 10ms 27 May 2024 641st KatieLG-Transpiler 🇬🇧 537 180 857ms 16 Aug 2024 642nd dokutan 537 227 2ms 29 Apr 2025 643rd adoxography 534 128 37ms 22 May 2023 644th Mabeloid 🇳🇴 534 188 2ms 2 Oct 2024 645th Mikey-Beep 🇬🇧 531 215 16ms 28 Aug 2023 646th msbranicky 530 259 1ms 11 Oct 2023 647th lelbal 529 216 9ms 17 Oct 2024 647th yjgnaw 529 216 9ms 24 Jul 2025 649th Yewzir 🇧🇪 526 184 617ms 4 Feb 2024 650th mrmena 🇦🇺 524 213 10ms 29 Mar 2024 651st KatieLG 🇬🇧 521 311 2ms 1 May 2023 652nd JunkIce 520 186 859ms 24 Jan 2025 652nd dokutan 520 186 803ms 8 Apr 2025 654th kzheng808 517 221 9ms 14 Jun 2023 654th elgan65536 517 221 11ms 9 Nov 2024 656th MeWhenI 🇻🇦 517 528 13ms 28 Aug 2023 657th msbranicky 515 202 82ms 18 Aug 2023 658th Masttest 515 222 9ms 31 Jan 2024 658th yokasuretsu 515 222 9ms 14 Jan 2025 660th snoozingnewt 🇺🇸 515 279 111ms 8 Oct 2025 661st daniel-cardone 514 217 8ms 8 Sep 2023 662nd jerrandolph 512 312 250ms 2 Nov 2023 663rd MeWhenI 🇻🇦 510 163 3ms 1 May 2023 664th DrPrettyman 508 225 10ms 25 May 2023 664th mrmena 🇦🇺 508 225 10ms 29 Mar 2024 666th m42km 506 226 9ms 3 Feb 2024 667th Schmitt-Very-Cool 506 275 343ms 26 Sep 2025 668th ridingqwerty 🇺🇸 503 227 9ms 30 Jan 2024 669th klixel 🇨🇦 503 345 173ms 23 Jul 2025 670th FortuiteMan 🇫🇷 501 228 15ms 11 Jul 2025 671st msbranicky 497 174 178ms 9 Jan 2025 672nd galloj 🇨🇿 497 230 15ms 8 May 2023 673rd jameswmccarty 495 231 16ms 6 Apr 2025 674th Yewzir 🇧🇪 493 245 2,236ms 9 Feb 2024 675th Natanaelel 🇸🇪 492 269 135ms 5 May 2023 First Prev 601–675 of 819 Next Last