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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 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 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 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 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 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 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 601st CaedenHarper 🇨🇦 694 129 22 Aug 2025 602nd NewDefectus 🇮🇱 691 104 16 Oct 2021 603rd emgordon154 691 111 13 Dec 2024 604th Shanethegamer 🇺🇸 691 113 31 Oct 2023 605th m-tkach 🇺🇦 691 117 21 Jan 2022 606th stefangimmillaro 689 113 7 Nov 2023 607th retrohun 688 114 16 Aug 2025 608th helbling 🇨🇭 687 110 3 Sep 2025 609th lynn 687 117 30 Nov 2021 610th Shanethegamer 🇺🇸 687 146 9 Jan 2022 610th Yewzir 🇧🇪 687 146 10 Jun 2024 612th rucin93 🇵🇱 686 95 31 Oct 2024 613th yzhs 🇩🇪 686 162 25 Jul 2021 614th yzhs 🇩🇪 684 105 25 Oct 2020 614th Espiobest 684 105 26 Feb 2021 614th mokymok 🇺🇸 684 105 27 Sep 2021 617th Natanaelel 🇸🇪 683 73 16 Feb 2023 618th XenThe 🇬🇧 681 111 1 Jul 2025 619th annaproxy 681 157 11 May 2023 620th mintypython 675 112 16 Oct 2018 620th saramaebee 675 112 18 Oct 2018 620th taklam 675 112 4 Jul 2020 620th igmcdowell 675 112 4 Jan 2022 624th Jiramide 674 133 7 Feb 2021 625th ReidZ3 🇺🇸 674 165 13 Dec 2020 626th MeWhenI 🇻🇦 673 147 17 Feb 2023 627th DialFrost 🇸🇬 672 106 16 Nov 2024 628th SirBogman 🇺🇸 669 51 1 Sep 2022 629th vmcnabb 🇳🇿 669 113 6 May 2021 629th targrik 669 113 24 Feb 2025 631st MahlerFive 🇨🇦 667 186 24 Apr 2020 632nd clockworknazo 666 114 20 Feb 2023 633rd MichalMarsalek 🇨🇿 666 135 30 Aug 2022 634th Natanaelel 🇸🇪 666 167 10 May 2025 635th MeWhenI 🇻🇦 666 271 29 Nov 2023 636th FlorianCassayre 🇫🇷 665 108 18 Sep 2023 636th snoozingnewt 🇺🇸 665 108 21 days ago 638th lionbryce 664 135 8 Aug 2024 639th alexkunin 663 114 7 Jul 2019 640th sean-niemann 🇺🇸 663 122 31 Oct 2023 641st MeWhenI 🇻🇦 663 152 8 Dec 2022 642nd SirBogman 🇺🇸 663 182 17 Apr 2022 643rd RaBa21 🇭🇺 659 109 12 Jul 2025 644th Bubbler-4 656 52 9 Dec 2021 644th DialFrost 🇸🇬 656 52 1 Feb 2023 646th Shanethegamer 🇺🇸 656 76 12 Dec 2021 647th sean-niemann 🇺🇸 656 153 11 Jul 2024 648th dokutan 654 137 20 Apr 2025 649th SB-945 653 110 7 Apr 2024 649th Troon 653 110 27 Aug 2025 651st varhammer 🇷🇺 653 121 13 Dec 2023 652nd BBoehm 🇩🇪 652 116 21 Dec 2020 653rd MeWhenI 🇻🇦 652 193 6 Jun 2023 654th hyvyys 646 117 19 Sep 2020 654th aksyristos 646 117 2 Nov 2022 656th janbehrens 🇩🇪 645 121 16 May 2023 657th villfa 643 121 2 Nov 2018 658th keelimeguy 🇺🇸 642 112 17 May 2025 659th 386asm 🇺🇸 642 154 5 May 2023 660th user189032 641 118 29 May 2019 661st SirBogman 🇺🇸 640 101 20 Jan 2024 662nd Shanethegamer 🇺🇸 640 120 17 Dec 2023 663rd Yewzir 🇧🇪 640 122 10 Jun 2024 664th RockOfStone 640 140 17 Mar 2024 665th scpchicken 🇵🇼 639 78 4 May 2022 666th mrondon8 638 158 5 Sep 2021 667th Shanethegamer 🇺🇸 636 127 28 May 2025 668th unfinishedprogram 635 119 12 Jul 2024 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