Roman to Arabic 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 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 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 600th ArmaanAS 694 109 14ms 7 Mar 2021 600th voytxt 🇨🇿 694 109 16ms 12 Jul 2024 603rd CaedenHarper 🇨🇦 694 129 7ms 22 Aug 2025 604th NewDefectus 🇮🇱 691 104 27ms 16 Oct 2021 605th emgordon154 691 111 2,910ms 13 Dec 2024 606th Shanethegamer 🇺🇸 691 113 364ms 31 Oct 2023 607th m-tkach 🇺🇦 691 117 4ms 21 Jan 2022 608th stefangimmillaro 689 113 7ms 7 Nov 2023 609th helbling 🇨🇭 688 110 19ms 3 Sep 2025 610th retrohun 688 114 2,110ms 16 Aug 2025 611th lynn 687 117 90ms 30 Nov 2021 612th Shanethegamer 🇺🇸 687 146 2,608ms 9 Jan 2022 612th Yewzir 🇧🇪 687 146 58ms 10 Jun 2024 614th rucin93 🇵🇱 686 95 143ms 31 Oct 2024 615th yzhs 🇩🇪 686 162 294ms 25 Jul 2021 616th yzhs 🇩🇪 684 105 24ms 25 Oct 2020 616th Espiobest 684 105 26ms 26 Feb 2021 616th mokymok 🇺🇸 684 105 22ms 27 Sep 2021 616th Babafaba 684 105 19ms 12 days ago 620th Natanaelel 🇸🇪 683 73 215ms 16 Feb 2023 621st XenThe 🇬🇧 681 111 11ms 1 Jul 2025 622nd annaproxy 681 157 37ms 11 May 2023 623rd mintypython 675 112 14ms 16 Oct 2018 623rd saramaebee 675 112 14ms 18 Oct 2018 623rd taklam 675 112 16ms 4 Jul 2020 623rd igmcdowell 675 112 12ms 4 Jan 2022 627th Jiramide 674 133 14ms 7 Feb 2021 628th ReidZ3 🇺🇸 674 165 441ms 13 Dec 2020 629th MeWhenI 🇻🇦 673 147 52ms 17 Feb 2023 630th DialFrost 🇸🇬 672 106 799ms 16 Nov 2024 631st SirBogman 🇺🇸 669 51 53ms 1 Sep 2022 632nd vmcnabb 🇳🇿 669 113 15ms 6 May 2021 632nd targrik 669 113 14ms 24 Feb 2025 634th MahlerFive 🇨🇦 667 186 298ms 24 Apr 2020 635th clockworknazo 666 114 22ms 20 Feb 2023 636th MichalMarsalek 🇨🇿 666 135 344ms 30 Aug 2022 637th Natanaelel 🇸🇪 666 167 404ms 10 May 2025 638th MeWhenI 🇻🇦 666 271 150ms 29 Nov 2023 639th FlorianCassayre 🇫🇷 665 108 27ms 18 Sep 2023 639th snoozingnewt 🇺🇸 665 108 23ms 28 Sep 2025 641st lionbryce 664 135 12ms 8 Aug 2024 642nd alexkunin 663 114 12ms 7 Jul 2019 643rd sean-niemann 🇺🇸 663 122 3ms 31 Oct 2023 644th MeWhenI 🇻🇦 663 152 531ms 8 Dec 2022 645th SirBogman 🇺🇸 663 182 61ms 17 Apr 2022 646th RaBa21 🇭🇺 659 109 19ms 12 Jul 2025 647th Bubbler-4 656 52 49ms 9 Dec 2021 647th DialFrost 🇸🇬 656 52 50ms 1 Feb 2023 649th Shanethegamer 🇺🇸 656 76 160ms 12 Dec 2021 650th sean-niemann 🇺🇸 656 153 66ms 11 Jul 2024 651st dokutan 654 137 13ms 20 Apr 2025 652nd SB-945 653 110 27ms 7 Apr 2024 652nd Troon 653 110 20ms 27 Aug 2025 654th varhammer 🇷🇺 653 121 211ms 13 Dec 2023 655th BBoehm 🇩🇪 652 116 12ms 21 Dec 2020 656th MeWhenI 🇻🇦 652 193 37ms 6 Jun 2023 657th hyvyys 646 117 11ms 19 Sep 2020 657th aksyristos 646 117 13ms 2 Nov 2022 659th janbehrens 🇩🇪 645 121 398ms 16 May 2023 660th villfa 643 121 14ms 2 Nov 2018 661st keelimeguy 🇺🇸 642 112 26ms 17 May 2025 662nd 386asm 🇺🇸 642 154 52ms 5 May 2023 663rd user189032 641 118 14ms 29 May 2019 664th SirBogman 🇺🇸 640 101 532ms 20 Jan 2024 665th Shanethegamer 🇺🇸 640 120 18ms 17 Dec 2023 666th Yewzir 🇧🇪 640 122 405ms 10 Jun 2024 667th RockOfStone 640 140 15ms 17 Mar 2024 668th scpchicken 🇵🇼 639 78 183ms 4 May 2022 669th mrondon8 638 158 393ms 5 Sep 2021 670th unfinishedprogram 636 119 13ms 12 Jul 2024 671st Shanethegamer 🇺🇸 636 127 4ms 28 May 2025 672nd jared-hughes 635 141 14ms 16 Apr 2022 673rd snyderek 🇺🇸 635 158 76ms 9 Nov 2024 674th olligobber 🇦🇺 635 175 379ms 21 May 2020 675th MeWhenI 🇻🇦 634 101 1,512ms 15 Sep 2025 First Prev 601–675 of 1,376 Next Last
