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 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 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 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 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 826th CaedenHarper 🇨🇦 522 373 1,043ms 22 Aug 2025 827th IISResetMe 521 112 783ms 8 Mar 2024 827th CaedenHarper 🇨🇦 521 112 329ms 22 Aug 2025 829th zbreit 🇺🇸 521 138 32ms 6 Aug 2020 829th rschwa6308 🇺🇸 521 138 25ms 6 Aug 2020 829th StardustGogeta 521 138 28ms 6 Aug 2020 829th mcjo163 521 138 34ms 2 Sep 2020 833rd Stockoh 🇫🇷 517 139 41ms 27 Feb 2024 833rd zhaohm14 517 139 21ms 10 Jun 2025 835th goodingc 516 219 147ms 3 Oct 2021 836th CaedenHarper 🇨🇦 514 97 148ms 18 Aug 2025 837th didion0 🇺🇸 514 147 16ms 23 Feb 2021 837th null-tangent 514 147 17ms 11 Sep 2022 839th bwenstar 513 140 22ms 21 Feb 2024 840th jalone87 512 191 106ms 6 Feb 2020 841st jerrandolph 512 242 273ms 8 Nov 2023 842nd tatzyr 🇯🇵 511 94 166ms 28 Dec 2024 843rd rifatx 510 141 26ms 16 Mar 2023 843rd quimey 510 141 22ms 20 Jul 2023 845th vgamula 🇺🇦 510 247 41ms 27 Jul 2023 846th ian-h-chamberlain 🇺🇸 508 149 11ms 19 Dec 2019 846th shreyasminocha 508 149 13ms 2 Aug 2020 846th xnacly 🇩🇪 508 149 16ms 27 Jun 2023 849th Haksell 🇦🇶 506 142 21ms 13 Jun 2020 849th Fishron 506 142 28ms 19 Sep 2022 849th jatloe 506 142 20ms 6 Sep 2024 852nd HumanoidCPU 506 245 301ms 26 Aug 2024 853rd NewDefectus 🇮🇱 505 87 21ms 16 Oct 2021 853rd Natanaelel 🇸🇪 505 87 11ms 16 Nov 2021 853rd scpchicken 🇵🇼 505 87 20ms 24 Nov 2022 856th neihousaigaai 504 200 509ms 18 May 2021 857th Brianzhengca 503 143 24ms 5 Feb 2021 857th TobyBoyne 🇬🇧 503 143 21ms 14 Apr 2022 859th orthoplex 🇨🇽 502 68 48ms 9 Oct 2020 860th JGDoerrer 502 200 420ms 5 Jan 2022 861st celiendonze 🇨🇭 499 144 28ms 14 Apr 2023 861st Bulmenisaurus 499 144 25ms 1 Jul 2024 863rd somebody1234 497 152 14ms 24 Mar 2018 863rd tekaireb 497 152 15ms 24 Jul 2021 865th lmolteno 496 145 32ms 3 Mar 2021 865th guilhem-roy 🇫🇷 496 145 26ms 7 Mar 2022 865th frankgraziano 496 145 21ms 24 Apr 2025 865th TheZwierzLF 🇵🇱 496 145 21ms 21 May 2025 869th nyoshe 496 163 4ms 25 Jan 2025 870th JDiLenarda 🇫🇷 496 193 1,311ms 30 Oct 2020 871st StarmaQ 495 181 13ms 7 Feb 2021 872nd jessegyger 494 153 13ms 7 Nov 2022 873rd Stockoh 🇫🇷 493 131 645ms 24 Jun 2024 874th masinag 🇮🇹 493 164 4ms 25 Nov 2024 875th InigoK 🇺🇸 492 146 33ms 26 Aug 2025 876th knightry 492 205 372ms 8 Feb 2021 877th clementblaudeau 489 147 26ms 7 Jun 2021 877th StefanHabel 🇨🇦 489 147 18ms 31 Dec 2022 877th yuchuehw 489 147 26ms 3 Jan 2024 877th Lv0Sys 🇵🇱 489 147 260ms 26 May 2025 881st brimstonetrader 487 228 375ms 27 Mar 2024 882nd yokasuretsu 486 148 37ms 21 Apr 2018 882nd AgathokakologicalBit 486 148 28ms 3 Aug 2019 882nd TaserTheFox 🇺🇸 486 148 18ms 8 May 2023 882nd adamnielson42 🇺🇸 486 148 19ms 8 Aug 2023 882nd jtaxen 486 148 19ms 28 Apr 2024 882nd o0BlackDragon0o 486 148 24ms 8 Sep 2024 882nd Bombalech 486 148 25ms 8 Sep 2024 889th b10011 🇫🇮 482 149 42ms 12 Jun 2023 890th postie77 482 162 440ms 16 Mar 2023 891st Natanaelel 🇸🇪 481 71 53ms 16 Nov 2021 891st 4hg 🇺🇸 481 71 46ms 19 Jun 2024 893rd bac0id 480 209 449ms 11 Jan 2025 894th alphafalfa 479 131 122ms 1 Aug 2025 895th sambirnbaum1 479 150 18ms 6 Sep 2019 895th MaxElf999 479 150 37ms 20 Oct 2022 895th nstearns96 🇬🇧 479 150 28ms 8 Dec 2022 895th Florian-Mt 479 150 28ms 14 Nov 2023 899th pranaygp 479 158 12ms 13 May 2020 900th ian-h-chamberlain 🇺🇸 476 151 21ms 17 Dec 2019 First Prev 826–900 of 1,375 Next Last