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 521st bricknellj 718 100 25 Jan 2023 521st LogicalJoe 718 100 24 May 2023 521st janbehrens 🇩🇪 718 100 17 Jun 2023 521st bizy-coder 718 100 27 Jan 2024 521st 5cw 🇺🇸 718 100 5 Jul 2024 521st firegene 🇮🇪 718 100 30 Jan 2025 521st edsrzf 🇳🇿 718 100 29 Jun 2025 521st KasperKivimaeki 🇫🇮 718 100 30 Jun 2025 521st wuduculfre 718 100 23 days ago 535th ndren 717 90 5 May 2024 535th DialFrost 🇸🇬 717 90 4 Jun 2024 535th CaedenHarper 🇨🇦 717 90 13 Jun 2025 538th KatieLG 🇬🇧 716 67 27 Nov 2023 539th Shanethegamer 🇺🇸 714 88 30 Oct 2023 540th Attero 🇸🇪 713 106 28 Oct 2020 540th jared-hughes 713 106 3 Aug 2022 540th coreynash 713 106 16 Feb 2024 543rd Shanethegamer 🇺🇸 712 139 30 Jun 2022 544th HPWiz 🇳🇿 711 48 4 Oct 2021 545th mrondon8 711 101 5 Sep 2021 545th Artemis21 🇬🇧 711 101 10 Jan 2025 547th janbehrens 🇩🇪 711 122 18 May 2023 548th AlephSquirrel 709 91 21 Jan 2024 548th Jacob385 709 91 13 Nov 2024 550th ovs-code 🇩🇪 707 92 20 Nov 2024 550th dokutan 707 92 20 Apr 2025 552nd raphaelimahorn 706 107 17 Aug 2021 552nd scpchicken 🇵🇼 706 107 26 Jan 2022 552nd itsh01 706 107 3 Apr 2022 552nd solmyr2000 706 107 11 Jun 2022 552nd rifatx 706 107 17 Mar 2023 552nd acollett89 706 107 10 days ago 558th Attero 🇸🇪 704 102 25 Sep 2020 559th emgordon154 704 111 13 Dec 2024 560th user189032 703 158 30 May 2019 561st dokutan 701 179 8 Apr 2025 562nd Shanethegamer 🇺🇸 699 115 30 Oct 2023 563rd Alessandro-Balconi 🇮🇹 698 49 14 Jul 2023 563rd Shanethegamer 🇺🇸 698 49 7 Dec 2024 565th HumanoidCPU 698 103 7 Jun 2024 566th strout 698 159 14 Dec 2023 567th Yewzir 🇧🇪 698 172 9 Jun 2024 568th wiz0u 696 112 22 Jun 2023 569th andersk 🇺🇸 696 162 18 Mar 2020 570th SirBogman 🇺🇸 694 84 18 May 2024 571st ovs-code 🇩🇪 694 86 4 Oct 2024 572nd emgordon154 694 93 24 Sep 2024 573rd jake-freeman 693 109 13 May 2020 573rd ArmaanAS 693 109 7 Mar 2021 573rd voytxt 🇨🇿 693 109 12 Jul 2024 576th DialFrost 🇸🇬 692 94 4 Aug 2024 577th NewDefectus 🇮🇱 691 104 16 Oct 2021 578th Shanethegamer 🇺🇸 690 113 31 Oct 2023 579th m-tkach 🇺🇦 690 117 21 Jan 2022 580th stefangimmillaro 688 113 7 Nov 2023 581st lynn 687 117 30 Nov 2021 582nd Shanethegamer 🇺🇸 686 146 9 Jan 2022 582nd Yewzir 🇧🇪 686 146 10 Jun 2024 584th yzhs 🇩🇪 685 162 25 Jul 2021 585th rucin93 🇵🇱 684 95 31 Oct 2024 586th yzhs 🇩🇪 684 105 25 Oct 2020 586th Espiobest 684 105 26 Feb 2021 586th mokymok 🇺🇸 684 105 27 Sep 2021 589th Natanaelel 🇸🇪 683 73 16 Feb 2023 590th XenThe 🇬🇧 681 111 1 Jul 2025 591st retrohun 680 115 1 Nov 2024 592nd antimon2 🇯🇵 678 87 44 hours ago 593rd annaproxy 678 157 11 May 2023 594th mintypython 675 112 16 Oct 2018 594th saramaebee 675 112 18 Oct 2018 594th taklam 675 112 4 Jul 2020 594th igmcdowell 675 112 4 Jan 2022 598th MeWhenI 🇻🇦 673 147 17 Feb 2023 599th ReidZ3 🇺🇸 673 165 13 Dec 2020 600th Jiramide 672 133 7 Feb 2021 Prev 526–600 of 1,316 Next