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 526th Waffle3z 722 124 17 Apr 2022 527th laikoni 722 154 23 Feb 2019 528th o0lit3 🇺🇸 721 61 27 Sep 2020 528th Lydxn 🇨🇦 721 61 31 Dec 2021 528th DialFrost 🇸🇬 721 61 25 Jan 2023 528th ovs-code 🇩🇪 721 61 3 Oct 2023 532nd MeWhenI 🇻🇦 721 98 24 Oct 2024 533rd Yewzir 🇧🇪 721 123 9 Jun 2024 534th prplz 🇦🇺 720 81 17 Jun 2020 534th Feniske 🇫🇷 720 81 26 Nov 2023 536th xyangst 720 105 4 Oct 2024 536th Salutations45 720 105 11 Jan 2025 538th CaedenHarper 🇨🇦 720 148 11 days ago 539th inventshah 719 100 14 Apr 2021 539th lynn 719 100 29 Nov 2021 539th CedricGebistorf 719 100 2 Mar 2022 539th scpchicken 🇵🇼 719 100 4 May 2022 539th AlephSquirrel 719 100 6 Dec 2022 539th bricknellj 719 100 25 Jan 2023 539th LogicalJoe 719 100 24 May 2023 539th janbehrens 🇩🇪 719 100 17 Jun 2023 539th bizy-coder 719 100 27 Jan 2024 539th 5cw 🇺🇸 719 100 5 Jul 2024 539th firegene 🇮🇪 719 100 30 Jan 2025 539th edsrzf 🇳🇿 719 100 29 Jun 2025 539th KasperKivimaeki 🇫🇮 719 100 30 Jun 2025 539th wuduculfre 719 100 22 Jul 2025 553rd ndren 717 90 5 May 2024 553rd DialFrost 🇸🇬 717 90 4 Jun 2024 553rd CaedenHarper 🇨🇦 717 90 13 Jun 2025 556th KatieLG 🇬🇧 716 67 27 Nov 2023 557th Shanethegamer 🇺🇸 714 88 30 Oct 2023 558th janbehrens 🇩🇪 714 122 18 May 2023 559th Attero 🇸🇪 713 106 28 Oct 2020 559th jared-hughes 713 106 3 Aug 2022 559th coreynash 713 106 16 Feb 2024 562nd antimon2 🇯🇵 712 83 15 days ago 563rd Shanethegamer 🇺🇸 712 139 30 Jun 2022 564th HPWiz 🇳🇿 711 48 4 Oct 2021 565th mrondon8 711 101 5 Sep 2021 565th Artemis21 🇬🇧 711 101 10 Jan 2025 567th AlephSquirrel 709 91 21 Jan 2024 567th Jacob385 709 91 13 Nov 2024 569th ovs-code 🇩🇪 709 92 20 Nov 2024 569th dokutan 709 92 20 Apr 2025 571st raphaelimahorn 707 107 17 Aug 2021 571st scpchicken 🇵🇼 707 107 26 Jan 2022 571st itsh01 707 107 3 Apr 2022 571st solmyr2000 707 107 11 Jun 2022 571st rifatx 707 107 17 Mar 2023 571st acollett89 707 107 4 Aug 2025 577th Attero 🇸🇪 704 102 25 Sep 2020 578th user189032 703 158 30 May 2019 579th dokutan 701 179 8 Apr 2025 580th Shanethegamer 🇺🇸 699 115 30 Oct 2023 581st strout 699 159 14 Dec 2023 582nd Alessandro-Balconi 🇮🇹 698 49 14 Jul 2023 582nd Shanethegamer 🇺🇸 698 49 7 Dec 2024 584th HumanoidCPU 698 103 7 Jun 2024 585th andersk 🇺🇸 698 162 18 Mar 2020 586th Yewzir 🇧🇪 698 172 9 Jun 2024 587th CaedenHarper 🇨🇦 695 85 11 days ago 588th CaedenHarper 🇨🇦 695 160 11 days ago 589th SirBogman 🇺🇸 694 84 18 May 2024 590th ovs-code 🇩🇪 694 86 4 Oct 2024 591st emgordon154 694 93 24 Sep 2024 592nd DialFrost 🇸🇬 694 94 4 Aug 2024 593rd jake-freeman 694 109 13 May 2020 593rd ArmaanAS 694 109 7 Mar 2021 593rd voytxt 🇨🇿 694 109 12 Jul 2024 596th CaedenHarper 🇨🇦 694 129 11 days ago 597th NewDefectus 🇮🇱 691 104 16 Oct 2021 598th Shanethegamer 🇺🇸 691 113 31 Oct 2023 599th m-tkach 🇺🇦 690 117 21 Jan 2022 600th emgordon154 689 111 13 Dec 2024 Prev 526–600 of 1,353 Next