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 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 824th SniperSmiley 🇺🇸 590 161 25 Jun 2022 824th GulgDev 590 161 21 Mar 2023 828th timvermeulen 590 167 19 Jan 2020 829th ian-odonnell 589 129 9 Mar 2018 829th JohnSBarden 589 129 9 Nov 2021 831st KatieLG 🇬🇧 587 168 15 Jan 2023 832nd ian-h-chamberlain 🇺🇸 587 194 6 Jan 2020 833rd msrawson 586 162 15 Aug 2018 834th omurakazuaki 🇯🇵 585 130 16 Feb 2021 835th MeWhenI 🇻🇦 585 168 16 Jun 2023 836th SirBogman 🇺🇸 585 403 23 Nov 2022 837th not-a-pokemon 584 144 28 Jul 2025 838th fgrosshans 🇫🇷 583 163 10 Jun 2024 839th p01 580 131 7 Feb 2018 839th Florian-Mt 580 131 23 Oct 2023 841st PaulTaykalo 580 170 24 Sep 2020 842nd phdphil 579 107 22 Apr 2018 843rd CaedenHarper 🇨🇦 579 136 4 days ago 844th wrhm 579 164 12 Dec 2020 844th zlee1 579 164 30 Apr 2021 844th hymanimy 579 164 8 Jan 2022 847th DanielRHolland 577 194 12 Nov 2020 848th CaedenHarper 🇨🇦 576 146 8 days ago 849th Bodo171 576 165 5 Dec 2022 849th snoozingnewt 🇺🇸 576 165 18 Oct 2023 851st Yewzir 🇧🇪 575 139 9 Jun 2024 852nd lorenzosim 573 222 14 Aug 2022 852nd h3ra993huskp 🇯🇵 573 222 25 Jun 2024 854th djeedjay 🇳🇱 572 147 6 Sep 2021 855th Sciman101 572 158 16 May 2023 856th markus-rekdal 572 166 28 May 2019 856th ay2718 572 166 17 Jul 2019 856th andre-lameirinhas 🇵🇹 572 166 4 Sep 2020 856th kenny14231 572 166 5 Aug 2022 856th KiwiLT 572 166 22 Nov 2022 856th FlorianCassayre 🇫🇷 572 166 29 Jan 2023 856th AdamMorris377 572 166 7 Sep 2024 863rd DaCuteRaccoon 571 133 8 Dec 2022 863rd Lv0Sys 🇵🇱 571 133 26 May 2025 865th CaedenHarper 🇨🇦 570 173 4 days ago 866th BrenSchaap 569 167 21 Oct 2021 866th petroselo 569 167 29 Dec 2021 868th annaproxy 568 197 23 Feb 2023 869th cingulataluke 565 168 30 Aug 2023 869th RaBa21 🇭🇺 565 168 12 Jul 2025 871st XenThe 🇬🇧 563 135 12 Jun 2025 872nd CaedenHarper 🇨🇦 562 141 8 days ago 873rd TheAristos 562 169 1 Nov 2019 874th CaedenHarper 🇨🇦 561 183 8 days ago 875th BambooleanLogic 🇸🇪 559 136 3 Nov 2022 876th itiievskyi 🇺🇦 559 170 10 Aug 2020 876th glesnick 559 170 6 Oct 2022 876th SB-945 559 170 7 Apr 2024 876th ziselsberger 559 170 7 Oct 2024 876th croc54 559 170 13 Jan 2025 881st emgordon154 557 104 26 Jul 2024 882nd emgordon154 557 221 10 Jun 2025 883rd AkashTandon167 556 171 21 Nov 2020 883rd cros107 556 171 14 Feb 2024 885th kkoenig 555 228 13 Sep 2024 886th amollberg 🇸🇪 552 172 16 Feb 2022 886th mbittner20 552 172 27 May 2023 886th CutSandstone 552 172 7 Jul 2024 889th uttumuttu 🇫🇮 551 138 5 Jan 2022 889th KaleChips22 551 138 23 days ago 891st Waffle3z 549 105 22 Jan 2021 892nd ludwig-n 549 173 4 Apr 2020 892nd CodeAltF4 549 173 8 Mar 2022 892nd myleopard 549 173 23 Dec 2022 895th jwhear 🇺🇸 549 308 30 Sep 2024 896th ShiraJoseph 🇺🇸 547 139 25 Jun 2023 897th UnderKoen 🇳🇱 547 225 8 Jul 2024 898th HumanoidCPU 546 144 7 Jun 2024 899th ehulinsky 🇺🇸 546 174 8 May 2023 899th keelimeguy 🇺🇸 546 174 17 May 2025 Prev 826–900 of 1,353 Next