Roman to Arabic in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 639th mokymok 🇺🇸 685 105 20ms 27 Sep 2021 642nd Natanaelel 🇸🇪 683 73 185ms 16 Feb 2023 643rd XenThe 🇬🇧 681 111 17ms 1 Jul 2025 644th CaedenHarper 🇨🇦 681 136 11ms 22 Aug 2025 645th annaproxy 681 157 30ms 11 May 2023 646th MeWhenI 🇻🇦 676 147 45ms 17 Feb 2023 647th mintypython 675 112 17ms 16 Oct 2018 647th saramaebee 675 112 16ms 18 Oct 2018 647th taklam 675 112 17ms 4 Jul 2020 647th igmcdowell 675 112 17ms 4 Jan 2022 651st ReidZ3 🇺🇸 674 165 319ms 13 Dec 2020 652nd DialFrost 🇸🇬 672 106 499ms 16 Nov 2024 653rd Jiramide 672 133 13ms 7 Feb 2021 654th SirBogman 🇺🇸 669 51 44ms 1 Sep 2022 655th vmcnabb 🇳🇿 669 113 16ms 6 May 2021 655th targrik 669 113 16ms 24 Feb 2025 657th clockworknazo 668 114 21ms 20 Feb 2023 658th sean-niemann 🇺🇸 668 122 3ms 31 Oct 2023 659th MahlerFive 🇨🇦 667 186 328ms 24 Apr 2020 660th AlephSquirrel 666 55 4ms 8 Nov 2025 661st FlorianCassayre 🇫🇷 666 108 21ms 18 Sep 2023 662nd MichalMarsalek 🇨🇿 666 135 360ms 30 Aug 2022 663rd Natanaelel 🇸🇪 666 167 305ms 10 May 2025 664th MeWhenI 🇻🇦 666 271 150ms 29 Nov 2023 665th dokutan 664 138 194ms 13 Nov 2025 666th alexkunin 663 114 14ms 7 Jul 2019 667th SirBogman 🇺🇸 663 182 43ms 17 Apr 2022 668th lionbryce 662 135 15ms 8 Aug 2024 669th RaBa21 🇭🇺 659 109 18ms 12 Jul 2025 670th Bubbler-4 657 52 42ms 9 Dec 2021 670th DialFrost 🇸🇬 657 52 43ms 1 Feb 2023 672nd sean-niemann 🇺🇸 657 153 60ms 11 Jul 2024 673rd Shanethegamer 🇺🇸 656 76 143ms 12 Dec 2021 674th varhammer 🇷🇺 655 121 157ms 13 Dec 2023 675th KasperKivimaeki 🇫🇮 655 137 387ms 7 Nov 2025 676th SB-945 653 110 26ms 7 Apr 2024 676th Troon 653 110 20ms 27 Aug 2025 678th BBoehm 🇩🇪 652 116 14ms 21 Dec 2020 679th dokutan 652 137 16ms 20 Apr 2025 680th MeWhenI 🇻🇦 652 193 33ms 6 Jun 2023 681st hyvyys 646 117 14ms 19 Sep 2020 681st aksyristos 646 117 20ms 2 Nov 2022 683rd 386asm 🇺🇸 646 154 45ms 5 May 2023 684th edsrzf 🇳🇿 645 118 40ms 12 Nov 2025 685th villfa 645 121 17ms 2 Nov 2018 685th janbehrens 🇩🇪 645 121 358ms 16 May 2023 687th keelimeguy 🇺🇸 642 112 23ms 17 May 2025 688th Shanethegamer 🇺🇸 642 127 4ms 28 May 2025 689th user189032 641 118 14ms 29 May 2019 690th Shanethegamer 🇺🇸 641 120 27ms 17 Dec 2023 691st SirBogman 🇺🇸 640 101 587ms 20 Jan 2024 692nd Yewzir 🇧🇪 640 122 343ms 10 Jun 2024 693rd scpchicken 🇵🇼 639 78 185ms 4 May 2022 694th mrondon8 639 158 514ms 5 Sep 2021 695th RockOfStone 638 140 11ms 17 Mar 2024 696th snyderek 🇺🇸 636 158 58ms 9 Nov 2024 697th unfinishedprogram 635 119 13ms 12 Jul 2024 698th olligobber 🇦🇺 635 175 291ms 21 May 2020 699th MeWhenI 🇻🇦 634 101 923ms 15 Sep 2025 700th jared-hughes 634 141 11ms 16 Apr 2022 701st MeWhenI 🇻🇦 632 58 6ms 16 Jan 2022 702nd CaedenHarper 🇨🇦 632 142 213ms 18 Aug 2025 703rd stordev 631 114 20ms 26 Feb 2021 703rd robin-scragg 631 114 20ms 24 Aug 2025 705th PatrickStephansen 🇿🇦 630 120 26ms 9 Jun 2021 705th stefangabos 🇷🇴 630 120 21ms 13 Sep 2022 707th HumanoidCPU 628 103 487ms 7 Jun 2024 708th janbehrens 🇩🇪 628 160 64ms 18 May 2023 709th Jiramide 628 177 296ms 8 Feb 2021 710th janbehrens 🇩🇪 627 161 590ms 16 May 2023 711th jupj 🇫🇮 622 131 3ms 27 Aug 2022 712th MeWhenI 🇻🇦 621 105 151ms 3 Aug 2024 713th YAJUE114514 621 179 292ms 3 Aug 2025 714th chartung17 620 116 22ms 1 Jan 2024 715th JOrE20 🇺🇸 620 122 15ms 7 Nov 2025 716th CaedenHarper 🇨🇦 616 78 38ms 18 Aug 2025 717th sebipopa 🇷🇴 615 123 13ms 14 Sep 2022 718th CaedenHarper 🇨🇦 614 116 481ms 17 Aug 2025 719th jacklynnepenick 614 117 19ms 13 Aug 2021 719th JunkIce 614 117 26ms 24 Nov 2024 First Prev 641–720 of 1,458 Next Last