Roman to Arabic in all languages in chars. 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 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 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 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 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 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 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 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 Chars Time 601st m-tkach 🇺🇦 690 117 21 Jan 2022 602nd emgordon154 689 111 13 Dec 2024 603rd stefangimmillaro 689 113 7 Nov 2023 604th retrohun 688 114 24 days ago 605th helbling 🇨🇭 687 110 6 days ago 606th lynn 687 117 30 Nov 2021 607th Shanethegamer 🇺🇸 687 146 9 Jan 2022 607th Yewzir 🇧🇪 687 146 10 Jun 2024 609th rucin93 🇵🇱 686 95 31 Oct 2024 610th yzhs 🇩🇪 686 162 25 Jul 2021 611th yzhs 🇩🇪 684 105 25 Oct 2020 611th Espiobest 684 105 26 Feb 2021 611th mokymok 🇺🇸 684 105 27 Sep 2021 614th Natanaelel 🇸🇪 683 73 16 Feb 2023 615th XenThe 🇬🇧 681 111 1 Jul 2025 616th annaproxy 681 157 11 May 2023 617th mintypython 675 112 16 Oct 2018 617th saramaebee 675 112 18 Oct 2018 617th taklam 675 112 4 Jul 2020 617th igmcdowell 675 112 4 Jan 2022 621st Jiramide 674 133 7 Feb 2021 622nd ReidZ3 🇺🇸 674 165 13 Dec 2020 623rd MeWhenI 🇻🇦 673 147 17 Feb 2023 624th DialFrost 🇸🇬 672 106 16 Nov 2024 625th SirBogman 🇺🇸 669 51 1 Sep 2022 626th vmcnabb 🇳🇿 669 113 6 May 2021 626th targrik 669 113 24 Feb 2025 628th MahlerFive 🇨🇦 667 186 24 Apr 2020 629th clockworknazo 666 114 20 Feb 2023 630th MichalMarsalek 🇨🇿 666 135 30 Aug 2022 631st Natanaelel 🇸🇪 666 167 10 May 2025 632nd MeWhenI 🇻🇦 666 271 29 Nov 2023 633rd FlorianCassayre 🇫🇷 665 108 18 Sep 2023 634th lionbryce 664 135 8 Aug 2024 635th CaedenHarper 🇨🇦 664 189 18 days ago 636th alexkunin 663 114 7 Jul 2019 637th sean-niemann 🇺🇸 662 122 31 Oct 2023 638th SirBogman 🇺🇸 660 182 17 Apr 2022 639th RaBa21 🇭🇺 659 109 12 Jul 2025 640th Bubbler-4 656 52 9 Dec 2021 640th DialFrost 🇸🇬 656 52 1 Feb 2023 642nd Shanethegamer 🇺🇸 656 76 12 Dec 2021 643rd sean-niemann 🇺🇸 656 153 11 Jul 2024 644th dokutan 654 137 20 Apr 2025 645th SB-945 653 110 7 Apr 2024 645th Troon 653 110 13 days ago 647th varhammer 🇷🇺 653 121 13 Dec 2023 648th BBoehm 🇩🇪 652 116 21 Dec 2020 649th MeWhenI 🇻🇦 652 193 6 Jun 2023 650th hyvyys 646 117 19 Sep 2020 650th aksyristos 646 117 2 Nov 2022 652nd janbehrens 🇩🇪 645 121 16 May 2023 653rd villfa 643 121 2 Nov 2018 654th keelimeguy 🇺🇸 642 112 17 May 2025 655th 386asm 🇺🇸 642 154 5 May 2023 656th user189032 641 118 29 May 2019 657th Yewzir 🇧🇪 640 122 10 Jun 2024 658th RockOfStone 640 140 17 Mar 2024 659th scpchicken 🇵🇼 639 78 4 May 2022 660th SirBogman 🇺🇸 639 101 20 Jan 2024 661st Shanethegamer 🇺🇸 638 120 17 Dec 2023 662nd Shanethegamer 🇺🇸 636 127 28 May 2025 663rd unfinishedprogram 635 119 12 Jul 2024 664th jared-hughes 635 141 16 Apr 2022 665th snyderek 🇺🇸 635 158 9 Nov 2024 666th olligobber 🇦🇺 635 175 21 May 2020 667th jacobly0 🇺🇸 635 265 22 Apr 2024 668th MeWhenI 🇻🇦 631 58 16 Jan 2022 669th stordev 630 114 26 Feb 2021 669th mossiegoat 630 114 16 days ago 671st PatrickStephansen 🇿🇦 630 120 9 Jun 2021 671st stefangabos 🇷🇴 630 120 13 Sep 2022 673rd Jiramide 628 177 8 Feb 2021 674th neihousaigaai 628 200 18 May 2021 675th HumanoidCPU 627 103 7 Jun 2024 Prev 601–675 of 1,357 Next