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 Calendar 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 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 Numbrix 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 ArkScript 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 ArkScript 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 Calendar 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 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 Numbrix 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 799th mathisfun271 562 128 41ms 13 Feb 2024 799th moustave 562 128 20ms 7 Apr 2025 803rd melven 561 215 42ms 16 Oct 2025 804th GrayJoKing 🇦🇺 560 61 41ms 23 Oct 2020 805th HumanoidCPU 560 135 18ms 8 Jun 2024 806th Jacob385 558 181 568ms 28 Oct 2025 807th CaedenHarper 🇨🇦 557 117 150ms 17 Aug 2025 808th jared-hughes 557 129 22ms 2 Oct 2021 808th ahmetdemirag 🇨🇾 557 129 23ms 4 Jul 2024 810th BambooleanLogic 🇸🇪 556 136 20ms 3 Nov 2022 811th CaedenHarper 🇨🇦 556 141 3,196ms 17 Aug 2025 812th CaedenHarper 🇨🇦 555 181 64ms 16 Nov 2025 813th djeedjay 🇳🇱 554 147 3ms 6 Sep 2021 814th JunkIce 553 117 493ms 3 Dec 2024 815th Bmrl7 553 130 20ms 7 Mar 2024 816th emgordon154 552 221 112ms 10 Jun 2025 817th lynn 551 62 42ms 24 Oct 2021 818th Anonymousellama21 549 131 22ms 16 May 2024 819th uttumuttu 🇫🇮 548 138 20ms 5 Jan 2022 819th KaleChips22 548 138 15ms 3 Aug 2025 821st joll05 🇸🇪 545 132 20ms 20 Aug 2020 821st SnowballSH 545 132 26ms 3 Feb 2021 821st jeff-at-tamer-dot-codes 🇺🇸 545 132 22ms 25 Mar 2024 824th ShiraJoseph 🇺🇸 544 139 18ms 25 Jun 2023 825th kkoenig 544 228 285ms 13 Sep 2024 826th UnderKoen 🇳🇱 542 225 117ms 8 Jul 2024 827th tkwa 540 133 22ms 4 Dec 2018 827th fourth-bit 540 133 38ms 13 Jul 2023 829th mckymsh 540 140 16ms 1 Mar 2022 830th phdphil 536 93 193ms 22 Apr 2018 831st relet 536 134 20ms 8 Aug 2018 832nd bstrautin 535 109 3,885ms 26 Jul 2020 833rd jared-hughes 533 64 43ms 17 Apr 2022 834th suwat513 532 135 40ms 15 Sep 2022 835th kevinmchung 529 136 26ms 3 Apr 2018 835th jarekwg 529 136 20ms 2 Oct 2020 835th OCNeve 529 136 18ms 18 Jun 2024 835th minhtrancccp 529 136 19ms 25 Nov 2024 839th xkacer 🇨🇿 529 143 16ms 25 Jan 2021 839th trinityy-7 529 143 19ms 17 Mar 2024 841st elgan65536 528 214 184ms 27 Mar 2024 842nd neihousaigaai 525 137 20ms 6 Oct 2024 843rd emgordon154 525 144 20ms 9 Dec 2021 844th adamnielson42 🇺🇸 522 77 39ms 7 Dec 2023 845th hiddicop 🇸🇪 522 92 52ms 1 Feb 2021 845th jared-hughes 522 92 46ms 20 Sep 2022 847th Kibble 522 145 13ms 4 Oct 2020 847th IchBinMichMarkus 522 145 18ms 11 Jul 2023 849th CaedenHarper 🇨🇦 522 373 1,507ms 22 Aug 2025 850th IISResetMe 521 112 723ms 8 Mar 2024 850th CaedenHarper 🇨🇦 521 112 283ms 22 Aug 2025 852nd zbreit 🇺🇸 521 138 26ms 6 Aug 2020 852nd rschwa6308 🇺🇸 521 138 28ms 6 Aug 2020 852nd StardustGogeta 521 138 27ms 6 Aug 2020 852nd mcjo163 521 138 27ms 2 Sep 2020 856th h3ra993huskp 🇯🇵 520 194 609ms 30 Nov 2025 857th Stockoh 🇫🇷 517 139 34ms 27 Feb 2024 857th zhaohm14 517 139 19ms 10 Jun 2025 859th blaztoma 🇱🇹 516 174 191ms 9 Nov 2025 860th goodingc 516 219 153ms 3 Oct 2021 861st CaedenHarper 🇨🇦 514 97 159ms 18 Aug 2025 862nd didion0 🇺🇸 514 147 18ms 23 Feb 2021 862nd null-tangent 514 147 16ms 11 Sep 2022 864th bwenstar 513 140 19ms 21 Feb 2024 865th jalone87 513 191 92ms 6 Feb 2020 866th jerrandolph 512 242 334ms 8 Nov 2023 867th tatzyr 🇯🇵 511 94 164ms 28 Dec 2024 868th rifatx 510 141 29ms 16 Mar 2023 868th quimey 510 141 20ms 20 Jul 2023 870th vgamula 🇺🇦 510 247 38ms 27 Jul 2023 871st ian-h-chamberlain 🇺🇸 508 149 17ms 19 Dec 2019 871st shreyasminocha 508 149 13ms 2 Aug 2020 871st xnacly 🇩🇪 508 149 16ms 27 Jun 2023 874th NewDefectus 🇮🇱 506 87 20ms 16 Oct 2021 874th Natanaelel 🇸🇪 506 87 7ms 16 Nov 2021 874th scpchicken 🇵🇼 506 87 18ms 24 Nov 2022 877th Haksell 🇦🇶 506 142 20ms 13 Jun 2020 877th Fishron 506 142 18ms 19 Sep 2022 877th jatloe 506 142 18ms 6 Sep 2024 880th HumanoidCPU 506 245 281ms 26 Aug 2024 First Prev 801–880 of 1,458 Next Last