Roman to Arabic 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 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 Bytes Time Submitted 600th Salutations45 724 105 14ms 11 Jan 2025 602nd joll05 🇸🇪 720 132 22ms 20 Aug 2020 602nd albanian-laundromat 720 132 26ms 16 Sep 2025 604th m-tkach 🇺🇦 719 117 4ms 21 Jan 2022 605th Shanethegamer 🇺🇸 719 139 59ms 30 Jun 2022 606th antimon2 🇯🇵 717 86 1,203ms 18 Aug 2025 607th Attero 🇸🇪 717 106 12ms 28 Oct 2020 607th jared-hughes 717 106 14ms 3 Aug 2022 607th coreynash 717 106 13ms 16 Feb 2024 610th lynn 716 62 55ms 24 Oct 2021 611th dokutan 716 143 565ms 24 Sep 2025 612th Alessandro-Balconi 🇮🇹 714 49 84ms 14 Jul 2023 612th Shanethegamer 🇺🇸 714 49 81ms 7 Dec 2024 614th tkwa 714 133 20ms 4 Dec 2018 614th fourth-bit 714 133 48ms 13 Jul 2023 616th raphaelimahorn 711 107 13ms 17 Aug 2021 616th scpchicken 🇵🇼 711 107 15ms 26 Jan 2022 616th itsh01 711 107 12ms 3 Apr 2022 616th solmyr2000 711 107 15ms 11 Jun 2022 616th rifatx 711 107 13ms 17 Mar 2023 616th acollett89 711 107 15ms 4 Aug 2025 622nd relet 709 134 21ms 8 Aug 2018 622nd melven 709 134 32ms 17 days ago 624th Shanethegamer 🇺🇸 708 115 74ms 30 Oct 2023 625th user189032 708 158 345ms 30 May 2019 626th Yewzir 🇧🇪 707 172 62ms 9 Jun 2024 627th SirBogman 🇺🇸 706 86 3,443ms 11 Apr 2024 627th ovs-code 🇩🇪 706 86 21ms 4 Oct 2024 629th Shanethegamer 🇺🇸 706 114 364ms 31 Oct 2023 630th HETHAT 🇩🇿 704 135 29ms 22 Mar 2021 631st Shanethegamer 🇺🇸 704 146 2,608ms 9 Jan 2022 631st Yewzir 🇧🇪 704 146 58ms 10 Jun 2024 633rd strout 703 159 368ms 14 Dec 2023 634th andersk 🇺🇸 703 162 148ms 18 Mar 2020 635th Waffle3z 700 129 18ms 17 Apr 2022 635th CaedenHarper 🇨🇦 700 129 7ms 22 Aug 2025 637th jarekwg 699 136 20ms 2 Oct 2020 637th OCNeve 699 136 31ms 18 Jun 2024 637th minhtrancccp 699 136 23ms 25 Nov 2024 637th luuumine 🇫🇷 699 136 21ms 15 days ago 641st CaedenHarper 🇨🇦 699 160 284ms 22 Aug 2025 642nd jake-freeman 697 109 12ms 13 May 2020 642nd ArmaanAS 697 109 14ms 7 Mar 2021 642nd voytxt 🇨🇿 697 109 16ms 12 Jul 2024 645th stefangimmillaro 697 113 7ms 7 Nov 2023 646th primo-ppcg 🇹🇭 697 147 695ms 1 Jun 2020 647th lynn 696 117 90ms 30 Nov 2021 648th retrohun 695 114 2,110ms 16 Aug 2025 649th jared-hughes 694 64 56ms 17 Apr 2022 650th yzhs 🇩🇪 694 137 31ms 15 Mar 2020 650th suwat513 694 137 43ms 15 Sep 2022 650th neihousaigaai 694 137 25ms 6 Oct 2024 653rd helbling 🇨🇭 691 110 19ms 3 Sep 2025 654th sean-niemann 🇺🇸 690 122 3ms 31 Oct 2023 655th yzhs 🇩🇪 690 162 294ms 25 Jul 2021 656th SnowballSH 689 138 26ms 3 Feb 2021 657th annaproxy 689 159 37ms 11 May 2023 658th CaedenHarper 🇨🇦 688 117 175ms 17 Aug 2025 659th Stockoh 🇫🇷 684 139 41ms 27 Feb 2024 659th zhaohm14 684 139 21ms 10 Jun 2025 661st MeWhenI 🇻🇦 680 147 52ms 17 Feb 2023 662nd MahlerFive 🇨🇦 680 186 298ms 24 Apr 2020 663rd mintypython 679 112 14ms 16 Oct 2018 663rd saramaebee 679 112 14ms 18 Oct 2018 663rd igmcdowell 679 112 12ms 4 Jan 2022 666th Jiramide 679 133 14ms 7 Feb 2021 667th kevinmchung 679 140 39ms 3 Apr 2018 668th commandblockguy 🇺🇸 678 116 477ms 1 Sep 2025 669th ReidZ3 🇺🇸 678 165 441ms 13 Dec 2020 670th rifatx 674 141 26ms 16 Mar 2023 670th quimey 674 141 22ms 20 Jul 2023 672nd KatieLG 🇬🇧 673 71 63ms 27 Nov 2023 673rd vmcnabb 🇳🇿 673 113 15ms 6 May 2021 673rd targrik 673 113 14ms 24 Feb 2025 675th MichalMarsalek 🇨🇿 672 135 344ms 30 Aug 2022 First Prev 601–675 of 1,380 Next Last