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 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 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 823rd rowboat1 598 159 710ms 18 Jun 2022 827th not-a-pokemon 597 141 4ms 9 Sep 2025 828th avartanii 594 128 19ms 17 Jan 2021 828th MathisBullinger 594 128 24ms 15 Nov 2021 830th abailey2020 🇺🇸 594 160 21ms 13 Dec 2020 830th Espiobest 594 160 32ms 13 Feb 2021 830th knutae 🇳🇴 594 160 26ms 17 Nov 2021 830th jfallon1997 594 160 25ms 5 Jan 2023 830th AtengChen 594 160 21ms 29 Aug 2024 835th yzhs 🇩🇪 592 75 48ms 7 Jun 2022 836th CaedenHarper 🇨🇦 592 135 135ms 18 Aug 2025 837th CaedenHarper 🇨🇦 591 98 8ms 18 Aug 2025 838th CaedenHarper 🇨🇦 591 124 2,551ms 18 Aug 2025 839th emgordon154 591 133 1,221ms 25 Sep 2024 840th mtirado1 590 153 8ms 18 Apr 2023 841st hardlyBearable 590 161 27ms 11 May 2019 841st Psirving 590 161 20ms 1 Aug 2020 841st SniperSmiley 🇺🇸 590 161 20ms 25 Jun 2022 841st GulgDev 590 161 25ms 21 Mar 2023 845th timvermeulen 590 167 100ms 19 Jan 2020 846th ian-odonnell 589 129 12ms 9 Mar 2018 846th JohnSBarden 589 129 13ms 9 Nov 2021 848th msrawson 587 162 28ms 15 Aug 2018 849th KatieLG 🇬🇧 587 168 723ms 15 Jan 2023 850th ian-h-chamberlain 🇺🇸 587 194 148ms 6 Jan 2020 851st omurakazuaki 🇯🇵 585 130 13ms 16 Feb 2021 852nd MeWhenI 🇻🇦 585 168 1,301ms 16 Jun 2023 853rd SirBogman 🇺🇸 585 403 103ms 23 Nov 2022 854th fgrosshans 🇫🇷 583 163 26ms 10 Jun 2024 855th p01 580 131 13ms 7 Feb 2018 855th Florian-Mt 580 131 12ms 23 Oct 2023 857th PaulTaykalo 580 170 109ms 24 Sep 2020 858th phdphil 579 107 156ms 22 Apr 2018 859th CaedenHarper 🇨🇦 579 136 8ms 22 Aug 2025 860th wrhm 579 164 32ms 12 Dec 2020 860th zlee1 579 164 28ms 30 Apr 2021 860th hymanimy 579 164 28ms 8 Jan 2022 863rd DanielRHolland 577 194 339ms 12 Nov 2020 864th CaedenHarper 🇨🇦 576 146 4ms 17 Aug 2025 865th Bodo171 576 165 20ms 5 Dec 2022 865th snoozingnewt 🇺🇸 576 165 20ms 18 Oct 2023 867th Yewzir 🇧🇪 575 139 107ms 9 Jun 2024 868th DaCuteRaccoon 572 133 12ms 8 Dec 2022 868th Lv0Sys 🇵🇱 572 133 17ms 26 May 2025 870th djeedjay 🇳🇱 572 147 4ms 6 Sep 2021 871st Sciman101 572 158 6ms 16 May 2023 872nd markus-rekdal 572 166 21ms 28 May 2019 872nd ay2718 572 166 22ms 17 Jul 2019 872nd andre-lameirinhas 🇵🇹 572 166 24ms 4 Sep 2020 872nd kenny14231 572 166 23ms 5 Aug 2022 872nd KiwiLT 572 166 19ms 22 Nov 2022 872nd FlorianCassayre 🇫🇷 572 166 32ms 29 Jan 2023 872nd AdamMorris377 572 166 17ms 7 Sep 2024 879th CaedenHarper 🇨🇦 570 173 705ms 22 Aug 2025 880th BrenSchaap 569 167 21ms 21 Oct 2021 880th petroselo 569 167 26ms 29 Dec 2021 882nd annaproxy 568 197 359ms 23 Feb 2023 883rd cingulataluke 566 168 28ms 30 Aug 2023 883rd RaBa21 🇭🇺 566 168 18ms 12 Jul 2025 885th Jacob385 566 181 520ms 9 days ago 886th melven 566 215 48ms 20 days ago 887th XenThe 🇬🇧 563 135 11ms 12 Jun 2025 888th CaedenHarper 🇨🇦 562 141 3,281ms 17 Aug 2025 889th TheAristos 562 169 26ms 1 Nov 2019 889th mishak-sys 562 169 20ms 9 Sep 2025 891st CaedenHarper 🇨🇦 562 183 61ms 17 Aug 2025 892nd BambooleanLogic 🇸🇪 559 136 17ms 3 Nov 2022 893rd itiievskyi 🇺🇦 559 170 22ms 10 Aug 2020 893rd glesnick 559 170 27ms 6 Oct 2022 893rd SB-945 559 170 28ms 7 Apr 2024 893rd ziselsberger 559 170 32ms 7 Oct 2024 893rd croc54 559 170 21ms 13 Jan 2025 898th emgordon154 557 104 7ms 26 Jul 2024 899th emgordon154 557 221 79ms 10 Jun 2025 900th AkashTandon167 556 171 22ms 21 Nov 2020 First Prev 826–900 of 1,383 Next Last
