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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Luau 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 Luau 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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 897th jtaxen 486 148 20ms 28 Apr 2024 897th o0BlackDragon0o 486 148 25ms 8 Sep 2024 897th Bombalech 486 148 28ms 8 Sep 2024 904th TheZwierzLF 🇵🇱 483 134 1,070ms 12 hours ago 905th b10011 🇫🇮 482 149 34ms 12 Jun 2023 906th postie77 482 162 551ms 16 Mar 2023 907th Natanaelel 🇸🇪 481 71 53ms 16 Nov 2021 907th 4hg 🇺🇸 481 71 46ms 19 Jun 2024 909th bac0id 481 209 382ms 11 Jan 2025 910th alphafalfa 479 131 122ms 1 Aug 2025 911th sambirnbaum1 479 150 19ms 6 Sep 2019 911th MaxElf999 479 150 27ms 20 Oct 2022 911th nstearns96 🇬🇧 479 150 27ms 8 Dec 2022 911th Florian-Mt 479 150 19ms 14 Nov 2023 915th pranaygp 479 158 14ms 13 May 2020 916th ian-h-chamberlain 🇺🇸 476 151 19ms 17 Dec 2019 916th qwjhvbxi 476 151 20ms 7 Feb 2024 918th SpareManiKatti 476 159 15ms 11 Sep 2021 918th blaztoma 🇱🇹 476 159 14ms 16 Sep 2025 920th olleicua 🇺🇸 475 101 91ms 25 Feb 2025 921st tailorspy 474 212 63ms 13 Sep 2024 922nd galloj 🇨🇿 473 152 19ms 10 Jan 2023 923rd jared-hughes 472 213 2,245ms 3 Aug 2022 924th cafehaine 🇫🇷 471 190 7ms 27 Apr 2022 925th baumpilz 471 214 382ms 20 Jan 2021 926th myfatemi04 470 153 22ms 10 Jan 2018 926th jhpaques 🇫🇷 470 153 19ms 28 Jul 2022 928th Jm-Fox 470 161 13ms 22 Feb 2020 929th Ripick 470 191 379ms 11 Jul 2024 930th neel11235813 470 268 37ms 27 Dec 2022 931st RDShah 467 154 25ms 31 Jan 2020 931st dzshn 467 154 17ms 9 Jun 2021 931st bbakersmith 467 154 30ms 28 Jun 2022 931st aksyristos 467 154 20ms 8 Mar 2023 931st tobyLovick 467 154 20ms 7 Dec 2023 931st EnTerr 467 154 18ms 25 Aug 2024 931st Pyroan 467 154 31ms 18 days ago 938th ian-h-chamberlain 🇺🇸 465 175 4ms 17 Dec 2019 939th dzhang314 464 155 20ms 14 Aug 2019 939th za3k 464 155 19ms 11 Oct 2022 939th r-benson 🇬🇧 464 155 25ms 1 Feb 2023 939th Hortaros 464 155 19ms 14 Apr 2023 943rd edsrzf 🇳🇿 463 268 286ms 27 Sep 2024 944th MiffOttah 462 169 360ms 21 Nov 2021 945th c0d3-4-F00d 🇩🇪 462 176 5ms 19 Apr 2022 946th GrayJoKing 🇦🇺 462 337 15ms 25 Jul 2020 947th G33kDude 461 156 20ms 20 Mar 2019 947th cellobix 461 156 19ms 15 Aug 2019 947th BREMAUCY 🇫🇷 461 156 26ms 2 Jan 2024 947th hiichbindermax 461 156 20ms 15 Sep 2024 947th M4rc0g1 461 156 21ms 18 hours ago 952nd joll05 🇸🇪 459 170 359ms 21 Nov 2021 953rd tpaxman 🇨🇦 458 157 20ms 2 Dec 2020 954th Waffle3z 457 105 75ms 22 Jan 2021 955th jared-hughes 457 178 4ms 3 Aug 2022 956th lukasmoellerch 456 166 13ms 5 Oct 2019 956th stellartux 456 166 13ms 27 Dec 2023 956th Protothor 456 166 22ms 9 Jun 2025 959th yzhs 🇩🇪 455 75 48ms 7 Jun 2022 960th weeble 455 131 110ms 1 Jul 2025 961st Szum123321 🇵🇱 455 179 4ms 29 Nov 2023 962nd ZoDoneRightNow 454 169 35ms 13 Oct 2025 963rd lorenzosim 454 222 368ms 14 Aug 2022 963rd h3ra993huskp 🇯🇵 454 222 371ms 25 Jun 2024 965th boxjelly 454 245 433ms 6 Jan 2021 966th weliveinhell 🇭🇹 453 167 17ms 15 Jan 2024 966th madeforlosers 453 167 16ms 12 Sep 2024 968th KevinMarquette 🇺🇸 452 129 303ms 17 Apr 2023 969th zdzc 452 159 21ms 10 Jul 2018 969th rzhade3 452 159 18ms 1 Jul 2021 969th NicoAdams 452 159 18ms 21 Nov 2021 969th rowboat1 452 159 650ms 18 Jun 2022 973rd tomh1012 450 168 16ms 20 Sep 2020 974th citsur 450 247 357ms 20 Jun 2019 975th CaedenHarper 🇨🇦 449 98 8ms 18 Aug 2025 First Prev 901–975 of 1,426 Next Last