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 526th prplz 🇦🇺 719 81 17 Jun 2020 526th Feniske 🇫🇷 719 81 26 Nov 2023 528th inventshah 718 100 14 Apr 2021 528th lynn 718 100 29 Nov 2021 528th CedricGebistorf 718 100 2 Mar 2022 528th scpchicken 🇵🇼 718 100 4 May 2022 528th AlephSquirrel 718 100 6 Dec 2022 528th bricknellj 718 100 25 Jan 2023 528th LogicalJoe 718 100 24 May 2023 528th janbehrens 🇩🇪 718 100 17 Jun 2023 528th bizy-coder 718 100 27 Jan 2024 528th 5cw 🇺🇸 718 100 5 Jul 2024 528th firegene 🇮🇪 718 100 30 Jan 2025 528th edsrzf 🇳🇿 718 100 29 Jun 2025 528th KasperKivimaeki 🇫🇮 718 100 30 Jun 2025 528th wuduculfre 718 100 27 days ago 542nd ndren 717 90 5 May 2024 542nd DialFrost 🇸🇬 717 90 4 Jun 2024 542nd CaedenHarper 🇨🇦 717 90 13 Jun 2025 545th KatieLG 🇬🇧 716 67 27 Nov 2023 546th Shanethegamer 🇺🇸 714 88 30 Oct 2023 547th janbehrens 🇩🇪 714 122 18 May 2023 548th Attero 🇸🇪 713 106 28 Oct 2020 548th jared-hughes 713 106 3 Aug 2022 548th coreynash 713 106 16 Feb 2024 551st Shanethegamer 🇺🇸 712 139 30 Jun 2022 552nd HPWiz 🇳🇿 711 48 4 Oct 2021 553rd mrondon8 711 101 5 Sep 2021 553rd Artemis21 🇬🇧 711 101 10 Jan 2025 555th AlephSquirrel 709 91 21 Jan 2024 555th Jacob385 709 91 13 Nov 2024 557th ovs-code 🇩🇪 709 92 20 Nov 2024 557th dokutan 709 92 20 Apr 2025 559th raphaelimahorn 707 107 17 Aug 2021 559th scpchicken 🇵🇼 707 107 26 Jan 2022 559th itsh01 707 107 3 Apr 2022 559th solmyr2000 707 107 11 Jun 2022 559th rifatx 707 107 17 Mar 2023 559th acollett89 707 107 14 days ago 565th Attero 🇸🇪 704 102 25 Sep 2020 566th user189032 703 158 30 May 2019 567th dokutan 701 179 8 Apr 2025 568th Shanethegamer 🇺🇸 699 115 30 Oct 2023 569th Alessandro-Balconi 🇮🇹 698 49 14 Jul 2023 569th Shanethegamer 🇺🇸 698 49 7 Dec 2024 571st HumanoidCPU 698 103 7 Jun 2024 572nd strout 698 159 14 Dec 2023 573rd Yewzir 🇧🇪 698 172 9 Jun 2024 574th andersk 🇺🇸 696 162 18 Mar 2020 575th SirBogman 🇺🇸 694 84 18 May 2024 576th ovs-code 🇩🇪 694 86 4 Oct 2024 577th emgordon154 694 93 24 Sep 2024 578th DialFrost 🇸🇬 694 94 4 Aug 2024 579th jake-freeman 694 109 13 May 2020 579th ArmaanAS 694 109 7 Mar 2021 579th voytxt 🇨🇿 694 109 12 Jul 2024 582nd NewDefectus 🇮🇱 691 104 16 Oct 2021 583rd Shanethegamer 🇺🇸 691 113 31 Oct 2023 584th m-tkach 🇺🇦 690 117 21 Jan 2022 585th emgordon154 689 111 13 Dec 2024 586th stefangimmillaro 688 113 7 Nov 2023 587th retrohun 688 114 2 days ago 588th lynn 687 117 30 Nov 2021 589th Shanethegamer 🇺🇸 687 146 9 Jan 2022 589th Yewzir 🇧🇪 687 146 10 Jun 2024 591st rucin93 🇵🇱 686 95 31 Oct 2024 592nd yzhs 🇩🇪 685 162 25 Jul 2021 593rd yzhs 🇩🇪 684 105 25 Oct 2020 593rd Espiobest 684 105 26 Feb 2021 593rd mokymok 🇺🇸 684 105 27 Sep 2021 596th Natanaelel 🇸🇪 683 73 16 Feb 2023 597th XenThe 🇬🇧 681 111 1 Jul 2025 598th antimon2 🇯🇵 678 87 5 days ago 599th annaproxy 678 157 11 May 2023 600th mintypython 675 112 16 Oct 2018 Prev 526–600 of 1,334 Next