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 676th vmcnabb 🇳🇿 673 113 15ms 6 May 2021 676th targrik 673 113 14ms 24 Feb 2025 678th MichalMarsalek 🇨🇿 672 135 344ms 30 Aug 2022 679th sean-niemann 🇺🇸 672 153 66ms 11 Jul 2024 680th Natanaelel 🇸🇪 670 167 404ms 10 May 2025 681st MeWhenI 🇻🇦 670 271 150ms 29 Nov 2023 682nd lionbryce 669 135 12ms 8 Aug 2024 683rd Haksell 🇦🇶 669 142 21ms 13 Jun 2020 683rd btjones0 669 142 21ms 16 Jul 2022 683rd Fishron 669 142 28ms 19 Sep 2022 683rd jatloe 669 142 20ms 6 Sep 2024 687th dokutan 668 134 27ms 22 Jun 2024 688th SirBogman 🇺🇸 668 182 61ms 17 Apr 2022 689th alexkunin 667 114 12ms 7 Jul 2019 690th NewDefectus 🇮🇱 666 87 21ms 16 Oct 2021 690th Natanaelel 🇸🇪 666 87 11ms 16 Nov 2021 690th scpchicken 🇵🇼 666 87 20ms 24 Nov 2022 693rd janbehrens 🇩🇪 665 121 398ms 16 May 2023 694th MeWhenI 🇻🇦 665 154 531ms 8 Dec 2022 695th Brianzhengca 664 143 24ms 5 Feb 2021 695th TobyBoyne 🇬🇧 664 143 21ms 14 Apr 2022 697th varhammer 🇷🇺 661 121 211ms 13 Dec 2023 698th celiendonze 🇨🇭 660 144 28ms 14 Apr 2023 698th Bulmenisaurus 660 144 25ms 1 Jul 2024 698th emgordon154 660 144 19ms 23 Sep 2024 701st MeWhenI 🇻🇦 658 193 37ms 6 Jun 2023 702nd Shanethegamer 🇺🇸 657 128 7ms 13 Jun 2022 703rd CatsAreFluffy 656 94 93ms 4 Feb 2023 704th BBoehm 🇩🇪 655 116 12ms 21 Dec 2020 705th lmolteno 655 145 32ms 3 Mar 2021 705th guilhem-roy 🇫🇷 655 145 26ms 7 Mar 2022 705th jakobkordez 🇸🇮 655 145 20ms 31 Oct 2022 705th frankgraziano 655 145 21ms 24 Apr 2025 705th TheZwierzLF 🇵🇱 655 145 21ms 21 May 2025 710th Yewzir 🇧🇪 654 123 405ms 10 Jun 2024 711th orthoplex 🇨🇽 653 68 48ms 9 Oct 2020 712th villfa 651 121 14ms 2 Nov 2018 713th elgan65536 651 146 30ms 31 Mar 2024 713th InigoK 🇺🇸 651 146 33ms 26 Aug 2025 715th snyderek 🇺🇸 651 158 76ms 9 Nov 2024 716th hyvyys 650 117 11ms 19 Sep 2020 716th aksyristos 650 117 13ms 2 Nov 2022 718th 386asm 🇺🇸 649 154 52ms 5 May 2023 719th mrondon8 648 158 393ms 5 Sep 2021 720th MeWhenI 🇻🇦 647 58 6ms 16 Jan 2022 721st clementblaudeau 646 147 26ms 7 Jun 2021 721st StefanHabel 🇨🇦 646 147 18ms 31 Dec 2022 721st yuchuehw 646 147 26ms 3 Jan 2024 721st Lv0Sys 🇵🇱 646 147 260ms 26 May 2025 725th RockOfStone 645 140 15ms 17 Mar 2024 726th user189032 644 118 14ms 29 May 2019 726th cywong-amino 🇭🇰 644 118 47ms 7 Oct 2020 726th dokutan 644 118 13ms 18 Apr 2025 729th janbehrens 🇩🇪 643 160 69ms 18 May 2023 730th jupj 🇫🇮 642 131 4ms 27 Aug 2022 731st yokasuretsu 642 148 37ms 21 Apr 2018 731st AgathokakologicalBit 642 148 28ms 3 Aug 2019 731st TaserTheFox 🇺🇸 642 148 18ms 8 May 2023 731st adamnielson42 🇺🇸 642 148 19ms 8 Aug 2023 731st jtaxen 642 148 19ms 28 Apr 2024 731st o0BlackDragon0o 642 148 24ms 8 Sep 2024 731st Bombalech 642 148 25ms 8 Sep 2024 731st wh3n3v3r 🇨🇿 642 148 20ms 8 Nov 2024 739th jared-hughes 641 141 14ms 16 Apr 2022 740th CaedenHarper 🇨🇦 639 97 148ms 18 Aug 2025 741st unfinishedprogram 639 119 13ms 12 Jul 2024 742nd olligobber 🇦🇺 639 175 379ms 21 May 2020 743rd CaedenHarper 🇨🇦 638 142 213ms 18 Aug 2025 744th pzagrebin 636 97 77ms 25 Aug 2022 745th dokutan 636 142 16ms 29 Mar 2025 746th janbehrens 🇩🇪 636 161 370ms 16 May 2023 747th thisishowmymindworks 🇳🇴 634 120 13ms 5 Oct 2020 747th PatrickStephansen 🇿🇦 634 120 25ms 9 Jun 2021 747th stefangabos 🇷🇴 634 120 18ms 13 Sep 2022 750th sambirnbaum1 633 150 18ms 6 Sep 2019 First Prev 676–750 of 1,382 Next Last