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 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 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 Multitap Input NFA Simulator 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 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 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 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 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 Multitap Input NFA Simulator 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 525th thisishowmymindworks 🇳🇴 734 103 16ms 6 Aug 2020 525th Maznek 734 103 15ms 28 Jun 2023 528th janbehrens 🇩🇪 734 122 472ms 18 May 2023 529th HPWiz 🇳🇿 733 98 19ms 5 Sep 2021 529th jakobkordez 🇸🇮 733 98 20ms 31 Oct 2022 529th Rubiksmath 733 98 20ms 5 Sep 2023 529th ovs-code 🇩🇪 733 98 42ms 27 Jan 2024 529th elgan65536 733 98 23ms 31 Mar 2024 529th 4atj 733 98 27ms 30 Jun 2025 535th SirBogman 🇺🇸 727 66 47ms 20 Mar 2022 536th sisyphus-ppcg 🇦🇺 727 89 519ms 16 Jan 2024 536th MeWhenI 🇻🇦 727 89 502ms 24 May 2024 536th CaedenHarper 🇨🇦 727 89 493ms 30 Sep 2025 539th CaedenHarper 🇨🇦 727 104 14ms 17 Aug 2025 540th kg583 🇺🇸 727 114 14ms 28 Sep 2025 541st xnor-gate 726 99 39ms 18 Sep 2021 541st wh3n3v3r 🇨🇿 726 99 26ms 8 Nov 2024 543rd AlephSquirrel 726 138 5ms 29 Jul 2023 544th treeowl 726 153 352ms 25 Feb 2019 545th Lydxn 🇨🇦 725 139 373ms 30 Jun 2021 545th dokutan 725 139 410ms 23 days ago 547th MeWhenI 🇻🇦 724 128 35ms 10 Oct 2023 547th rucin93 🇵🇱 724 128 26ms 22 Apr 2025 549th MeWhenI 🇻🇦 723 98 2,454ms 24 Oct 2024 550th o0lit3 🇺🇸 722 61 23ms 27 Sep 2020 550th Lydxn 🇨🇦 722 61 166ms 31 Dec 2021 550th DialFrost 🇸🇬 722 61 161ms 25 Jan 2023 550th ovs-code 🇩🇪 722 61 166ms 3 Oct 2023 550th iczelia 🇩🇪 722 61 160ms 5 Nov 2025 550th blaztoma 🇱🇹 722 61 164ms 14 days ago 556th Waffle3z 722 124 19ms 17 Apr 2022 557th laikoni 722 154 393ms 23 Feb 2019 558th prplz 🇦🇺 720 81 903ms 17 Jun 2020 558th Feniske 🇫🇷 720 81 2,522ms 26 Nov 2023 560th xyangst 720 105 13ms 4 Oct 2024 560th Salutations45 720 105 13ms 11 Jan 2025 562nd ndren 719 90 662ms 5 May 2024 562nd DialFrost 🇸🇬 719 90 560ms 4 Jun 2024 564th inventshah 719 100 20ms 14 Apr 2021 564th lynn 719 100 19ms 29 Nov 2021 564th CedricGebistorf 719 100 21ms 2 Mar 2022 564th scpchicken 🇵🇼 719 100 19ms 4 May 2022 564th AlephSquirrel 719 100 26ms 6 Dec 2022 564th bricknellj 719 100 28ms 25 Jan 2023 564th LogicalJoe 719 100 18ms 24 May 2023 564th janbehrens 🇩🇪 719 100 19ms 17 Jun 2023 564th bizy-coder 719 100 21ms 27 Jan 2024 564th 5cw 🇺🇸 719 100 18ms 5 Jul 2024 564th firegene 🇮🇪 719 100 19ms 30 Jan 2025 564th edsrzf 🇳🇿 719 100 21ms 29 Jun 2025 564th KasperKivimaeki 🇫🇮 719 100 20ms 30 Jun 2025 564th wuduculfre 719 100 19ms 22 Jul 2025 578th Shanethegamer 🇺🇸 714 88 16ms 30 Oct 2023 579th Attero 🇸🇪 713 106 17ms 28 Oct 2020 579th jared-hughes 713 106 15ms 3 Aug 2022 579th coreynash 713 106 14ms 16 Feb 2024 582nd antimon2 🇯🇵 712 83 1,018ms 18 Aug 2025 583rd mrondon8 712 101 20ms 5 Sep 2021 583rd Artemis21 🇬🇧 712 101 19ms 10 Jan 2025 585th Shanethegamer 🇺🇸 712 139 59ms 30 Jun 2022 586th HPWiz 🇳🇿 711 48 52ms 4 Oct 2021 587th AlephSquirrel 711 91 596ms 21 Jan 2024 587th Jacob385 711 91 523ms 13 Nov 2024 589th ovs-code 🇩🇪 709 92 147ms 20 Nov 2024 589th dokutan 709 92 134ms 20 Apr 2025 591st raphaelimahorn 707 107 13ms 17 Aug 2021 591st scpchicken 🇵🇼 707 107 13ms 26 Jan 2022 591st itsh01 707 107 13ms 3 Apr 2022 591st solmyr2000 707 107 13ms 11 Jun 2022 591st rifatx 707 107 14ms 17 Mar 2023 591st acollett89 707 107 12ms 4 Aug 2025 597th Attero 🇸🇪 705 102 22ms 25 Sep 2020 598th Shanethegamer 🇺🇸 704 115 74ms 30 Oct 2023 599th user189032 703 158 345ms 30 May 2019 600th Yewzir 🇧🇪 702 172 62ms 9 Jun 2024 First Prev 526–600 of 1,443 Next Last