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 emgordon154 689 111 13 Dec 2024 602nd stefangimmillaro 689 113 7 Nov 2023 603rd retrohun 688 114 23 days ago 604th helbling 🇨🇭 687 110 5 days ago 605th lynn 687 117 30 Nov 2021 606th Shanethegamer 🇺🇸 687 146 9 Jan 2022 606th Yewzir 🇧🇪 687 146 10 Jun 2024 608th rucin93 🇵🇱 686 95 31 Oct 2024 609th yzhs 🇩🇪 686 162 25 Jul 2021 610th yzhs 🇩🇪 684 105 25 Oct 2020 610th Espiobest 684 105 26 Feb 2021 610th mokymok 🇺🇸 684 105 27 Sep 2021 613th Natanaelel 🇸🇪 683 73 16 Feb 2023 614th XenThe 🇬🇧 681 111 1 Jul 2025 615th annaproxy 681 157 11 May 2023 616th mintypython 675 112 16 Oct 2018 616th saramaebee 675 112 18 Oct 2018 616th taklam 675 112 4 Jul 2020 616th igmcdowell 675 112 4 Jan 2022 620th Jiramide 674 133 7 Feb 2021 621st ReidZ3 🇺🇸 674 165 13 Dec 2020 622nd MeWhenI 🇻🇦 673 147 17 Feb 2023 623rd DialFrost 🇸🇬 672 106 16 Nov 2024 624th SirBogman 🇺🇸 669 51 1 Sep 2022 625th vmcnabb 🇳🇿 669 113 6 May 2021 625th targrik 669 113 24 Feb 2025 627th MahlerFive 🇨🇦 667 186 24 Apr 2020 628th clockworknazo 666 114 20 Feb 2023 629th MichalMarsalek 🇨🇿 666 135 30 Aug 2022 630th Natanaelel 🇸🇪 666 167 10 May 2025 631st MeWhenI 🇻🇦 666 271 29 Nov 2023 632nd FlorianCassayre 🇫🇷 665 108 18 Sep 2023 633rd lionbryce 664 135 8 Aug 2024 634th CaedenHarper 🇨🇦 664 189 17 days ago 635th alexkunin 663 114 7 Jul 2019 636th sean-niemann 🇺🇸 662 122 31 Oct 2023 637th SirBogman 🇺🇸 660 182 17 Apr 2022 638th RaBa21 🇭🇺 659 109 12 Jul 2025 639th Bubbler-4 656 52 9 Dec 2021 639th DialFrost 🇸🇬 656 52 1 Feb 2023 641st Shanethegamer 🇺🇸 656 76 12 Dec 2021 642nd sean-niemann 🇺🇸 656 153 11 Jul 2024 643rd dokutan 654 137 20 Apr 2025 644th SB-945 653 110 7 Apr 2024 644th Troon 653 110 12 days ago 646th varhammer 🇷🇺 653 121 13 Dec 2023 647th BBoehm 🇩🇪 652 116 21 Dec 2020 648th MeWhenI 🇻🇦 652 193 6 Jun 2023 649th hyvyys 646 117 19 Sep 2020 649th aksyristos 646 117 2 Nov 2022 651st janbehrens 🇩🇪 645 121 16 May 2023 652nd villfa 643 121 2 Nov 2018 653rd keelimeguy 🇺🇸 642 112 17 May 2025 654th 386asm 🇺🇸 642 154 5 May 2023 655th user189032 641 118 29 May 2019 656th Yewzir 🇧🇪 640 122 10 Jun 2024 657th RockOfStone 640 140 17 Mar 2024 658th scpchicken 🇵🇼 639 78 4 May 2022 659th SirBogman 🇺🇸 639 101 20 Jan 2024 660th Shanethegamer 🇺🇸 638 120 17 Dec 2023 661st Shanethegamer 🇺🇸 636 127 28 May 2025 662nd unfinishedprogram 635 119 12 Jul 2024 663rd jared-hughes 635 141 16 Apr 2022 664th snyderek 🇺🇸 635 158 9 Nov 2024 665th olligobber 🇦🇺 635 175 21 May 2020 666th jacobly0 🇺🇸 635 265 22 Apr 2024 667th MeWhenI 🇻🇦 631 58 16 Jan 2022 668th stordev 630 114 26 Feb 2021 668th mossiegoat 630 114 15 days ago 670th PatrickStephansen 🇿🇦 630 120 9 Jun 2021 670th stefangabos 🇷🇴 630 120 13 Sep 2022 672nd Jiramide 628 177 8 Feb 2021 673rd neihousaigaai 628 200 18 May 2021 674th HumanoidCPU 627 103 7 Jun 2024 675th janbehrens 🇩🇪 627 160 18 May 2023 Prev 601–675 of 1,355 Next