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 Continued Fractions 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 Continued Fractions 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 msbranicky 583 166 585ms 17 Jan 2024 602nd adamnielson42 🇺🇸 583 196 9ms 1 May 2023 602nd inverseLorentz 🇦🇺 583 196 9ms 8 May 2023 602nd stertooy 🇧🇪 583 196 28ms 20 Jun 2024 605th adyache 🇺🇸 583 209 8ms 24 May 2023 606th 5pyr 582 220 2ms 16 May 2023 606th Sciman101 582 220 1ms 16 May 2023 608th kkoenig 581 275 261ms 13 Sep 2024 609th tatzyr 🇯🇵 580 118 37ms 24 Feb 2025 610th TheZwierzLF 🇵🇱 580 197 14ms 21 May 2025 611th sanscheese 579 107 4ms 21 Jul 2023 611th snoozingnewt 🇺🇸 579 107 3ms 20 days ago 613th adyache 🇺🇸 578 183 383ms 4 May 2023 614th retrohun 577 144 3ms 27 May 2023 615th snoozingnewt 🇺🇸 577 150 403ms 20 days ago 616th KrausRaus 🇺🇸 574 239 2ms 11 Oct 2023 617th Yewzir 🇧🇪 572 245 2ms 18 Jan 2024 618th celiendonze 🇨🇭 571 200 9ms 3 May 2023 619th MeWhenI 🇻🇦 569 214 3ms 1 May 2023 620th PhysicDev 🇫🇷 568 201 11ms 25 May 2023 621st MeWhenI 🇻🇦 565 229 44ms 26 Aug 2023 622nd weliveinhell 🇭🇹 564 198 9ms 25 Sep 2023 623rd Wildst 563 203 9ms 7 Jul 2023 624th snoozingnewt 🇺🇸 562 185 83ms 20 days ago 625th MeWhenI 🇻🇦 561 296 31ms 6 Jun 2023 626th Yewzir 🇧🇪 559 237 19ms 4 Apr 2024 627th acollett89 558 200 9ms 8 Aug 2025 628th AbuzarN 557 205 15ms 22 Nov 2023 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 26 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 Yewzir 🇧🇪 538 229 11ms 30 Dec 2024 642nd KatieLG-Transpiler 🇬🇧 537 180 857ms 16 Aug 2024 643rd dokutan 537 227 2ms 29 Apr 2025 644th adoxography 534 128 37ms 22 May 2023 645th Mabeloid 🇳🇴 534 188 2ms 2 Oct 2024 646th Mikey-Beep 🇬🇧 531 215 16ms 28 Aug 2023 647th msbranicky 530 259 2ms 11 Oct 2023 648th lelbal 529 216 9ms 17 Oct 2024 648th yjgnaw 529 216 9ms 24 Jul 2025 650th Yewzir 🇧🇪 526 184 617ms 4 Feb 2024 651st mrmena 🇦🇺 524 213 10ms 29 Mar 2024 652nd KatieLG 🇬🇧 521 311 2ms 1 May 2023 653rd JunkIce 520 186 859ms 24 Jan 2025 653rd dokutan 520 186 803ms 8 Apr 2025 655th kzheng808 517 221 9ms 14 Jun 2023 655th elgan65536 517 221 11ms 9 Nov 2024 657th MeWhenI 🇻🇦 517 528 13ms 28 Aug 2023 658th msbranicky 515 202 82ms 18 Aug 2023 659th Masttest 515 222 9ms 31 Jan 2024 659th yokasuretsu 515 222 9ms 14 Jan 2025 661st snoozingnewt 🇺🇸 515 279 111ms 8 Oct 2025 662nd daniel-cardone 514 217 8ms 8 Sep 2023 663rd jerrandolph 512 312 250ms 2 Nov 2023 664th MeWhenI 🇻🇦 510 163 3ms 1 May 2023 665th DrPrettyman 508 225 10ms 25 May 2023 665th mrmena 🇦🇺 508 225 10ms 29 Mar 2024 667th m42km 506 226 9ms 3 Feb 2024 668th Schmitt-Very-Cool 506 275 343ms 26 Sep 2025 669th ridingqwerty 🇺🇸 503 227 9ms 30 Jan 2024 670th klixel 🇨🇦 503 345 173ms 23 Jul 2025 671st FortuiteMan 🇫🇷 501 228 15ms 11 Jul 2025 672nd msbranicky 497 174 178ms 9 Jan 2025 673rd galloj 🇨🇿 497 230 15ms 8 May 2023 674th jameswmccarty 495 231 16ms 6 Apr 2025 675th Yewzir 🇧🇪 493 245 2,296ms 9 Feb 2024 First Prev 601–675 of 820 Next Last