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 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 Chars Time 601st XenThe 🇬🇧 681 111 1 Jul 2025 602nd annaproxy 678 157 11 May 2023 603rd mintypython 675 112 16 Oct 2018 603rd saramaebee 675 112 18 Oct 2018 603rd taklam 675 112 4 Jul 2020 603rd igmcdowell 675 112 4 Jan 2022 607th Jiramide 673 133 7 Feb 2021 608th MeWhenI 🇻🇦 673 147 17 Feb 2023 609th ReidZ3 🇺🇸 673 165 13 Dec 2020 610th DialFrost 🇸🇬 672 106 16 Nov 2024 611th SirBogman 🇺🇸 669 51 1 Sep 2022 612th vmcnabb 🇳🇿 669 113 6 May 2021 612th targrik 669 113 24 Feb 2025 614th MahlerFive 🇨🇦 667 186 24 Apr 2020 615th clockworknazo 666 114 20 Feb 2023 616th MeWhenI 🇻🇦 666 271 29 Nov 2023 617th FlorianCassayre 🇫🇷 665 108 18 Sep 2023 618th Natanaelel 🇸🇪 665 167 10 May 2025 619th MichalMarsalek 🇨🇿 664 135 30 Aug 2022 620th CaedenHarper 🇨🇦 664 189 14 mins ago 621st alexkunin 663 114 7 Jul 2019 622nd lionbryce 663 135 8 Aug 2024 623rd sean-niemann 🇺🇸 662 122 31 Oct 2023 624th SirBogman 🇺🇸 660 182 17 Apr 2022 625th RaBa21 🇭🇺 659 109 12 Jul 2025 626th Bubbler-4 656 52 9 Dec 2021 626th DialFrost 🇸🇬 656 52 1 Feb 2023 628th Shanethegamer 🇺🇸 656 76 12 Dec 2021 629th sean-niemann 🇺🇸 655 153 11 Jul 2024 630th SB-945 653 110 7 Apr 2024 631st varhammer 🇷🇺 653 121 13 Dec 2023 632nd dokutan 653 137 20 Apr 2025 633rd BBoehm 🇩🇪 652 116 21 Dec 2020 634th MeWhenI 🇻🇦 652 193 6 Jun 2023 635th hyvyys 646 117 19 Sep 2020 635th aksyristos 646 117 2 Nov 2022 637th janbehrens 🇩🇪 645 121 16 May 2023 638th keelimeguy 🇺🇸 642 112 17 May 2025 639th villfa 642 121 2 Nov 2018 640th 386asm 🇺🇸 642 154 5 May 2023 641st user189032 641 118 29 May 2019 642nd Yewzir 🇧🇪 640 122 10 Jun 2024 643rd scpchicken 🇵🇼 639 78 4 May 2022 644th SirBogman 🇺🇸 639 101 20 Jan 2024 645th RockOfStone 639 140 17 Mar 2024 646th Shanethegamer 🇺🇸 638 120 17 Dec 2023 647th Shanethegamer 🇺🇸 636 127 28 May 2025 648th unfinishedprogram 635 119 12 Jul 2024 649th jared-hughes 635 141 16 Apr 2022 650th snyderek 🇺🇸 634 158 9 Nov 2024 651st olligobber 🇦🇺 634 175 21 May 2020 652nd MeWhenI 🇻🇦 631 58 16 Jan 2022 653rd jacobly0 🇺🇸 631 265 22 Apr 2024 654th stordev 630 114 26 Feb 2021 655th PatrickStephansen 🇿🇦 630 120 9 Jun 2021 655th stefangabos 🇷🇴 630 120 13 Sep 2022 655th helbling 🇨🇭 630 120 26 Mar 2024 658th neihousaigaai 628 200 18 May 2021 659th HumanoidCPU 627 103 7 Jun 2024 660th Jiramide 627 177 8 Feb 2021 661st janbehrens 🇩🇪 626 160 18 May 2023 662nd MeWhenI 🇻🇦 621 105 3 Aug 2024 663rd YAJUE114514 620 179 19 days ago 664th chartung17 619 116 1 Jan 2024 665th jupj 🇫🇮 617 131 27 Aug 2022 666th CaedenHarper 🇨🇦 615 78 3 days ago 667th KrausRaus 🇺🇸 615 123 2 Sep 2020 667th sebipopa 🇷🇴 615 123 14 Sep 2022 669th jupj 🇫🇮 615 272 26 Oct 2023 670th CaedenHarper 🇨🇦 614 116 4 days ago 671st jacklynnepenick 614 117 13 Aug 2021 671st JunkIce 614 117 24 Nov 2024 673rd CaedenHarper 🇨🇦 613 142 3 days ago 674th knightry 612 205 8 Feb 2021 675th neihousaigaai 610 124 28 Apr 2021 Prev 601–675 of 1,338 Next