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 525th Salutations45 720 105 11 Jan 2025 527th prplz 🇦🇺 719 81 17 Jun 2020 527th Feniske 🇫🇷 719 81 26 Nov 2023 529th inventshah 718 100 14 Apr 2021 529th lynn 718 100 29 Nov 2021 529th CedricGebistorf 718 100 2 Mar 2022 529th scpchicken 🇵🇼 718 100 4 May 2022 529th AlephSquirrel 718 100 6 Dec 2022 529th bricknellj 718 100 25 Jan 2023 529th LogicalJoe 718 100 24 May 2023 529th janbehrens 🇩🇪 718 100 17 Jun 2023 529th bizy-coder 718 100 27 Jan 2024 529th 5cw 🇺🇸 718 100 5 Jul 2024 529th firegene 🇮🇪 718 100 30 Jan 2025 529th edsrzf 🇳🇿 718 100 29 Jun 2025 529th KasperKivimaeki 🇫🇮 718 100 30 Jun 2025 529th wuduculfre 718 100 22 Jul 2025 543rd ndren 717 90 5 May 2024 543rd DialFrost 🇸🇬 717 90 4 Jun 2024 543rd CaedenHarper 🇨🇦 717 90 13 Jun 2025 546th KatieLG 🇬🇧 716 67 27 Nov 2023 547th Shanethegamer 🇺🇸 714 88 30 Oct 2023 548th janbehrens 🇩🇪 714 122 18 May 2023 549th Attero 🇸🇪 713 106 28 Oct 2020 549th jared-hughes 713 106 3 Aug 2022 549th coreynash 713 106 16 Feb 2024 552nd Shanethegamer 🇺🇸 712 139 30 Jun 2022 553rd HPWiz 🇳🇿 711 48 4 Oct 2021 554th antimon2 🇯🇵 711 83 3 days ago 555th mrondon8 711 101 5 Sep 2021 555th Artemis21 🇬🇧 711 101 10 Jan 2025 557th AlephSquirrel 709 91 21 Jan 2024 557th Jacob385 709 91 13 Nov 2024 559th ovs-code 🇩🇪 709 92 20 Nov 2024 559th dokutan 709 92 20 Apr 2025 561st raphaelimahorn 707 107 17 Aug 2021 561st scpchicken 🇵🇼 707 107 26 Jan 2022 561st itsh01 707 107 3 Apr 2022 561st solmyr2000 707 107 11 Jun 2022 561st rifatx 707 107 17 Mar 2023 561st acollett89 707 107 18 days ago 567th Attero 🇸🇪 704 102 25 Sep 2020 568th user189032 703 158 30 May 2019 569th dokutan 701 179 8 Apr 2025 570th Shanethegamer 🇺🇸 699 115 30 Oct 2023 571st Alessandro-Balconi 🇮🇹 698 49 14 Jul 2023 571st Shanethegamer 🇺🇸 698 49 7 Dec 2024 573rd HumanoidCPU 698 103 7 Jun 2024 574th strout 698 159 14 Dec 2023 575th Yewzir 🇧🇪 698 172 9 Jun 2024 576th andersk 🇺🇸 696 162 18 Mar 2020 577th SirBogman 🇺🇸 694 84 18 May 2024 578th ovs-code 🇩🇪 694 86 4 Oct 2024 579th emgordon154 694 93 24 Sep 2024 580th DialFrost 🇸🇬 694 94 4 Aug 2024 581st jake-freeman 694 109 13 May 2020 581st ArmaanAS 694 109 7 Mar 2021 581st voytxt 🇨🇿 694 109 12 Jul 2024 584th NewDefectus 🇮🇱 691 104 16 Oct 2021 585th Shanethegamer 🇺🇸 691 113 31 Oct 2023 586th m-tkach 🇺🇦 690 117 21 Jan 2022 587th emgordon154 689 111 13 Dec 2024 588th stefangimmillaro 688 113 7 Nov 2023 589th retrohun 688 114 5 days ago 590th lynn 687 117 30 Nov 2021 591st Shanethegamer 🇺🇸 687 146 9 Jan 2022 591st Yewzir 🇧🇪 687 146 10 Jun 2024 593rd rucin93 🇵🇱 686 95 31 Oct 2024 594th yzhs 🇩🇪 685 162 25 Jul 2021 595th yzhs 🇩🇪 684 105 25 Oct 2020 595th Espiobest 684 105 26 Feb 2021 595th mokymok 🇺🇸 684 105 27 Sep 2021 598th Natanaelel 🇸🇪 683 73 16 Feb 2023 599th XenThe 🇬🇧 681 111 1 Jul 2025 600th annaproxy 678 157 11 May 2023 Prev 526–600 of 1,335 Next