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 520th LogicalJoe 718 100 24 May 2023 520th janbehrens 🇩🇪 718 100 17 Jun 2023 520th bizy-coder 718 100 27 Jan 2024 520th 5cw 🇺🇸 718 100 5 Jul 2024 520th firegene 🇮🇪 718 100 30 Jan 2025 520th edsrzf 🇳🇿 718 100 29 Jun 2025 520th KasperKivimaeki 🇫🇮 718 100 30 Jun 2025 520th wuduculfre 718 100 17 days ago 534th ndren 717 90 5 May 2024 534th DialFrost 🇸🇬 717 90 4 Jun 2024 534th CaedenHarper 🇨🇦 717 90 13 Jun 2025 537th KatieLG 🇬🇧 716 67 27 Nov 2023 538th Shanethegamer 🇺🇸 714 88 30 Oct 2023 539th Attero 🇸🇪 713 106 28 Oct 2020 539th jared-hughes 713 106 3 Aug 2022 539th coreynash 713 106 16 Feb 2024 542nd Shanethegamer 🇺🇸 712 139 30 Jun 2022 543rd HPWiz 🇳🇿 711 48 4 Oct 2021 544th mrondon8 711 101 5 Sep 2021 544th Artemis21 🇬🇧 711 101 10 Jan 2025 546th janbehrens 🇩🇪 711 122 18 May 2023 547th AlephSquirrel 709 91 21 Jan 2024 547th Jacob385 709 91 13 Nov 2024 549th ovs-code 🇩🇪 707 92 20 Nov 2024 549th dokutan 707 92 20 Apr 2025 551st raphaelimahorn 706 107 17 Aug 2021 551st scpchicken 🇵🇼 706 107 26 Jan 2022 551st itsh01 706 107 3 Apr 2022 551st solmyr2000 706 107 11 Jun 2022 551st rifatx 706 107 17 Mar 2023 551st acollett89 706 107 4 days ago 557th Attero 🇸🇪 704 102 25 Sep 2020 558th emgordon154 704 111 13 Dec 2024 559th user189032 703 158 30 May 2019 560th dokutan 701 179 8 Apr 2025 561st Shanethegamer 🇺🇸 699 115 30 Oct 2023 562nd Alessandro-Balconi 🇮🇹 698 49 14 Jul 2023 562nd Shanethegamer 🇺🇸 698 49 7 Dec 2024 564th HumanoidCPU 698 103 7 Jun 2024 565th strout 698 159 14 Dec 2023 566th Yewzir 🇧🇪 698 172 9 Jun 2024 567th wiz0u 696 112 22 Jun 2023 568th andersk 🇺🇸 696 162 18 Mar 2020 569th SirBogman 🇺🇸 694 84 18 May 2024 570th ovs-code 🇩🇪 694 86 4 Oct 2024 571st emgordon154 694 93 24 Sep 2024 572nd jake-freeman 693 109 13 May 2020 572nd ArmaanAS 693 109 7 Mar 2021 572nd voytxt 🇨🇿 693 109 12 Jul 2024 575th DialFrost 🇸🇬 692 94 4 Aug 2024 576th NewDefectus 🇮🇱 691 104 16 Oct 2021 577th Shanethegamer 🇺🇸 690 113 31 Oct 2023 578th m-tkach 🇺🇦 690 117 21 Jan 2022 579th stefangimmillaro 688 113 7 Nov 2023 580th lynn 687 117 30 Nov 2021 581st Shanethegamer 🇺🇸 686 146 9 Jan 2022 581st Yewzir 🇧🇪 686 146 10 Jun 2024 583rd yzhs 🇩🇪 685 162 25 Jul 2021 584th rucin93 🇵🇱 684 95 31 Oct 2024 585th yzhs 🇩🇪 684 105 25 Oct 2020 585th Espiobest 684 105 26 Feb 2021 585th mokymok 🇺🇸 684 105 27 Sep 2021 588th Natanaelel 🇸🇪 683 73 16 Feb 2023 589th XenThe 🇬🇧 681 111 1 Jul 2025 590th retrohun 680 115 1 Nov 2024 591st annaproxy 678 157 11 May 2023 592nd mintypython 675 112 16 Oct 2018 592nd saramaebee 675 112 18 Oct 2018 592nd taklam 675 112 4 Jul 2020 592nd igmcdowell 675 112 4 Jan 2022 596th MeWhenI 🇻🇦 673 147 17 Feb 2023 597th ReidZ3 🇺🇸 673 165 13 Dec 2020 598th Jiramide 672 133 7 Feb 2021 599th SirBogman 🇺🇸 669 51 1 Sep 2022 600th DialFrost 🇸🇬 669 106 16 Nov 2024 Prev 526–600 of 1,313 Next