Roman to Arabic in all languages in bytes. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 800th MaxElf999 634 150 30ms 20 Oct 2022 800th nstearns96 🇬🇧 634 150 27ms 8 Dec 2022 800th Florian-Mt 634 150 24ms 14 Nov 2023 800th FoxInTheClouds 634 150 22ms 10 Feb 2026 805th MeWhenI 🇻🇦 633 103 1,462ms 15 Sep 2025 806th Jiramide 632 177 296ms 8 Feb 2021 807th albanian-laundromat 🇺🇸 630 125 600ms 9 Aug 2025 808th ian-h-chamberlain 🇺🇸 630 151 23ms 17 Dec 2019 808th qwjhvbxi 630 151 21ms 7 Feb 2024 810th primo-ppcg 🇹🇭 629 95 1,780ms 17 Apr 2022 811th MarcMush 🇫🇷 629 98 1,059ms 11 Jan 2024 812th dokutan 629 128 163ms 6 Jun 2025 813th jared-hughes 627 92 47ms 20 Sep 2022 814th Natanaelel 🇸🇪 626 71 38ms 16 Nov 2021 814th DialFrost 🇸🇬 626 71 39ms 31 Jan 2024 814th 4hg 🇺🇸 626 71 40ms 19 Jun 2024 817th galloj 🇨🇿 625 152 24ms 10 Jan 2023 817th Artemis21 🇬🇧 625 152 20ms 2 Jan 2025 819th YAJUE114514 625 179 292ms 3 Aug 2025 820th jared-hughes 623 96 397ms 23 Jul 2023 821st myfatemi04 621 153 32ms 10 Jan 2018 821st jhpaques 🇫🇷 621 153 24ms 28 Jul 2022 823rd sebipopa 🇷🇴 618 123 20ms 14 Sep 2022 823rd xyangst 618 123 15ms 4 Oct 2024 825th SirBogman 🇺🇸 617 94 21ms 5 Oct 2020 826th RDShah 617 154 25ms 31 Jan 2020 826th dzshn 617 154 20ms 9 Jun 2021 826th bbakersmith 617 154 34ms 28 Jun 2022 826th aksyristos 617 154 21ms 8 Mar 2023 826th tobyLovick 617 154 18ms 7 Dec 2023 826th chartung17 617 154 30ms 14 Jan 2024 826th EnTerr 617 154 20ms 25 Aug 2024 826th Pyroan 617 154 22ms 3 Nov 2025 834th retrohun 616 111 15ms 21 Sep 2024 835th Shanethegamer 🇺🇸 616 130 32ms 4 Oct 2024 836th CaedenHarper 🇨🇦 615 131 393ms 17 Aug 2025 837th filharmonista 615 138 3ms 13 Mar 2020 837th TeodorDyakov 🇧🇬 615 138 3ms 3 Jul 2025 839th hiddicop 🇸🇪 613 94 53ms 1 Feb 2021 840th neihousaigaai 613 124 27ms 28 Apr 2021 840th Andrey-Plotnikov 613 124 13ms 9 Aug 2025 842nd dzhang314 613 155 22ms 14 Aug 2019 842nd za3k 613 155 21ms 11 Oct 2022 842nd r-benson 🇬🇧 613 155 28ms 1 Feb 2023 842nd Hortaros 613 155 22ms 14 Apr 2023 842nd HumanoidCPU 613 155 22ms 7 Jun 2024 847th TomvdPeet 611 129 36ms 7 Dec 2025 848th dokutan 610 132 390ms 7 Apr 2025 849th G33kDude 609 156 21ms 20 Mar 2019 849th cellobix 609 156 22ms 15 Aug 2019 849th mokymok 🇺🇸 609 156 21ms 11 Oct 2021 849th BREMAUCY 🇫🇷 609 156 27ms 2 Jan 2024 849th hiichbindermax 609 156 22ms 15 Sep 2024 849th M4rc0g1 609 156 22ms 21 Nov 2025 849th Andrey2001 609 156 27ms 5 days ago 856th MeWhenI 🇻🇦 609 193 36ms 6 Jun 2023 857th dsntzn 🇸🇰 608 125 21ms 1 Mar 2021 857th smclaughlin-cf 608 125 15ms 8 Apr 2025 859th cure-honey 🇯🇵 608 200 43ms 26 Apr 2020 860th MeWhenI 🇻🇦 607 105 24ms 12 Nov 2022 861st janbehrens 🇩🇪 607 140 4ms 18 May 2023 861st madex 🇩🇪 607 140 4ms 32 hours ago 863rd ndren 606 130 587ms 5 May 2024 864th Phil-RGOMEGA 606 149 8ms 30 Aug 2023 865th tpaxman 🇨🇦 606 157 22ms 2 Dec 2020 866th adamnielson42 🇺🇸 605 79 34ms 7 Dec 2023 867th albanian-laundromat 🇺🇸 605 178 39ms 22 Aug 2025 868th ollyspooner 604 126 15ms 18 Oct 2023 869th DialFrost 🇸🇬 603 133 36ms 11 Dec 2024 870th prestosilver 🇺🇸 603 151 407ms 12 days ago 871st madex 🇩🇪 603 155 457ms 14 Mar 2026 872nd not-a-pokemon 602 141 4ms 9 Sep 2025 873rd snoozingnewt 🇨🇦 602 164 120ms 20 Nov 2025 874th lynn 602 182 20ms 18 Nov 2021 875th Jacob385 601 131 515ms 3 Apr 2024 875th Stockoh 🇫🇷 601 131 577ms 24 Jun 2024 877th timvermeulen 601 190 157ms 4 Jan 2020 878th sisyphus-ppcg 🇦🇺 599 114 221ms 24 Jun 2022 879th eranws 599 127 16ms 9 Sep 2022 880th zdzc 598 159 22ms 10 Jul 2018 First Prev 801–880 of 1,523 Next Last