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 Binary Lambda Calculus Calendar 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 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 Binary Lambda Calculus Calendar 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 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 826th DialFrost 🇸🇬 601 133 42ms 11 Dec 2024 827th Jacob385 600 131 487ms 3 Apr 2024 827th Stockoh 🇫🇷 600 131 645ms 24 Jun 2024 829th not-a-pokemon 600 141 4ms 9 Sep 2025 830th sisyphus-ppcg 🇦🇺 599 114 215ms 24 Jun 2022 831st eranws 599 127 16ms 9 Sep 2022 832nd timvermeulen 599 190 163ms 4 Jan 2020 833rd zdzc 598 159 21ms 10 Jul 2018 833rd rzhade3 598 159 18ms 1 Jul 2021 833rd NicoAdams 598 159 18ms 21 Nov 2021 833rd rowboat1 598 159 650ms 18 Jun 2022 837th avartanii 594 128 19ms 17 Jan 2021 837th MathisBullinger 594 128 25ms 15 Nov 2021 839th abailey2020 🇺🇸 594 160 21ms 13 Dec 2020 839th Espiobest 594 160 22ms 13 Feb 2021 839th knutae 🇳🇴 594 160 19ms 17 Nov 2021 839th jfallon1997 594 160 24ms 5 Jan 2023 839th AtengChen 594 160 20ms 29 Aug 2024 844th yzhs 🇩🇪 592 75 48ms 7 Jun 2022 845th CaedenHarper 🇨🇦 592 135 123ms 18 Aug 2025 846th CaedenHarper 🇨🇦 591 98 8ms 18 Aug 2025 847th CaedenHarper 🇨🇦 591 124 2,551ms 18 Aug 2025 848th emgordon154 591 133 1,221ms 25 Sep 2024 849th mtirado1 590 153 8ms 18 Apr 2023 850th hardlyBearable 590 161 24ms 11 May 2019 850th Psirving 590 161 19ms 1 Aug 2020 850th SniperSmiley 🇺🇸 590 161 18ms 25 Jun 2022 850th GulgDev 590 161 21ms 21 Mar 2023 854th timvermeulen 590 167 100ms 19 Jan 2020 855th ian-odonnell 589 129 13ms 9 Mar 2018 855th JohnSBarden 589 129 13ms 9 Nov 2021 857th CaedenHarper 🇨🇦 587 144 4ms 3 days ago 858th msrawson 587 162 22ms 15 Aug 2018 859th KatieLG 🇬🇧 587 168 723ms 15 Jan 2023 860th ian-h-chamberlain 🇺🇸 587 194 161ms 6 Jan 2020 861st omurakazuaki 🇯🇵 585 130 17ms 16 Feb 2021 862nd MeWhenI 🇻🇦 585 168 1,452ms 16 Jun 2023 863rd SirBogman 🇺🇸 585 403 77ms 23 Nov 2022 864th fgrosshans 🇫🇷 583 163 24ms 10 Jun 2024 864th Papushkado 583 163 18ms 9 days ago 866th emgordon154 583 336 553ms 13 days ago 867th p01 580 131 12ms 7 Feb 2018 867th Florian-Mt 580 131 12ms 23 Oct 2023 869th PaulTaykalo 580 170 109ms 24 Sep 2020 870th phdphil 579 107 175ms 22 Apr 2018 871st CaedenHarper 🇨🇦 579 136 8ms 22 Aug 2025 872nd wrhm 579 164 23ms 12 Dec 2020 872nd zlee1 579 164 19ms 30 Apr 2021 872nd hymanimy 579 164 19ms 8 Jan 2022 875th DanielRHolland 577 194 339ms 12 Nov 2020 876th Bodo171 576 165 19ms 5 Dec 2022 876th snoozingnewt 🇺🇸 576 165 23ms 18 Oct 2023 878th Yewzir 🇧🇪 575 139 107ms 9 Jun 2024 879th djeedjay 🇳🇱 575 147 4ms 6 Sep 2021 880th DaCuteRaccoon 572 133 13ms 8 Dec 2022 880th Lv0Sys 🇵🇱 572 133 15ms 26 May 2025 882nd Sciman101 572 158 6ms 16 May 2023 883rd markus-rekdal 572 166 19ms 28 May 2019 883rd ay2718 572 166 20ms 17 Jul 2019 883rd andre-lameirinhas 🇵🇹 572 166 20ms 4 Sep 2020 883rd kenny14231 572 166 19ms 5 Aug 2022 883rd KiwiLT 572 166 19ms 22 Nov 2022 883rd FlorianCassayre 🇫🇷 572 166 24ms 29 Jan 2023 883rd AdamMorris377 572 166 17ms 7 Sep 2024 890th CaedenHarper 🇨🇦 570 173 705ms 22 Aug 2025 891st BrenSchaap 569 167 21ms 21 Oct 2021 891st petroselo 569 167 22ms 29 Dec 2021 893rd CaedenHarper 🇨🇦 569 181 60ms 3 days ago 894th annaproxy 568 197 359ms 23 Feb 2023 895th cingulataluke 566 168 19ms 30 Aug 2023 895th RaBa21 🇭🇺 566 168 19ms 12 Jul 2025 897th Jacob385 566 181 398ms 22 days ago 898th melven 566 215 48ms 16 Oct 2025 899th XenThe 🇬🇧 563 135 16ms 12 Jun 2025 900th CaedenHarper 🇨🇦 562 141 3,281ms 17 Aug 2025 First Prev 826–900 of 1,418 Next Last