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 826th Stockoh 🇫🇷 493 131 24 Jun 2024 827th masinag 🇮🇹 492 164 25 Nov 2024 828th clementblaudeau 489 147 7 Jun 2021 828th StefanHabel 🇨🇦 489 147 31 Dec 2022 828th yuchuehw 489 147 3 Jan 2024 828th Lv0Sys 🇵🇱 489 147 26 May 2025 832nd brimstonetrader 487 228 27 Mar 2024 833rd yokasuretsu 485 148 21 Apr 2018 833rd AgathokakologicalBit 485 148 3 Aug 2019 833rd TaserTheFox 🇺🇸 485 148 8 May 2023 833rd adamnielson42 🇺🇸 485 148 8 Aug 2023 833rd jtaxen 485 148 28 Apr 2024 833rd o0BlackDragon0o 485 148 8 Sep 2024 833rd Bombalech 485 148 8 Sep 2024 840th b10011 🇫🇮 482 149 12 Jun 2023 841st Natanaelel 🇸🇪 481 71 16 Nov 2021 841st 4hg 🇺🇸 481 71 19 Jun 2024 843rd postie77 481 162 16 Mar 2023 844th alphafalfa 479 131 8 days ago 845th sambirnbaum1 479 150 6 Sep 2019 845th MaxElf999 479 150 20 Oct 2022 845th nstearns96 🇬🇧 479 150 8 Dec 2022 845th Florian-Mt 479 150 14 Nov 2023 849th bac0id 479 209 11 Jan 2025 850th pranaygp 478 158 13 May 2020 851st ian-h-chamberlain 🇺🇸 476 151 17 Dec 2019 851st qwjhvbxi 476 151 7 Feb 2024 853rd olleicua 🇺🇸 475 101 25 Feb 2025 854th SpareManiKatti 475 159 11 Sep 2021 855th galloj 🇨🇿 473 152 10 Jan 2023 856th tailorspy 472 212 13 Sep 2024 857th myfatemi04 470 153 10 Jan 2018 857th jhpaques 🇫🇷 470 153 28 Jul 2022 859th Jm-Fox 470 161 22 Feb 2020 860th cafehaine 🇫🇷 470 190 27 Apr 2022 861st jared-hughes 470 213 3 Aug 2022 862nd neel11235813 470 268 27 Dec 2022 863rd Ripick 468 191 11 Jul 2024 864th RDShah 467 154 31 Jan 2020 864th dzshn 467 154 9 Jun 2021 864th bbakersmith 467 154 28 Jun 2022 864th aksyristos 467 154 8 Mar 2023 864th tobyLovick 467 154 7 Dec 2023 864th EnTerr 467 154 25 Aug 2024 870th dzhang314 464 155 14 Aug 2019 870th za3k 464 155 11 Oct 2022 870th r-benson 🇬🇧 464 155 1 Feb 2023 870th Hortaros 464 155 14 Apr 2023 870th Pyroan 464 155 22 Feb 2025 875th MiffOttah 462 169 21 Nov 2021 876th edsrzf 🇳🇿 462 268 27 Sep 2024 877th GrayJoKing 🇦🇺 462 337 25 Jul 2020 878th G33kDude 461 156 20 Mar 2019 878th cellobix 461 156 15 Aug 2019 878th BREMAUCY 🇫🇷 461 156 2 Jan 2024 878th hiichbindermax 461 156 15 Sep 2024 882nd ian-h-chamberlain 🇺🇸 461 175 17 Dec 2019 883rd mrmena 🇦🇺 461 219 10 Jun 2024 884th joll05 🇸🇪 459 170 21 Nov 2021 885th c0d3-4-F00d 🇩🇪 459 176 19 Apr 2022 886th tpaxman 🇨🇦 458 157 2 Dec 2020 887th Waffle3z 457 105 22 Jan 2021 888th yzhs 🇩🇪 455 75 7 Jun 2022 889th weeble 455 131 1 Jul 2025 890th InigoK 🇺🇸 455 158 31 May 2023 891st lukasmoellerch 455 166 5 Oct 2019 891st stellartux 455 166 27 Dec 2023 891st Protothor 455 166 9 Jun 2025 894th jared-hughes 454 178 3 Aug 2022 895th weliveinhell 🇭🇹 453 167 15 Jan 2024 895th madeforlosers 453 167 12 Sep 2024 897th boxjelly 453 245 6 Jan 2021 898th KevinMarquette 🇺🇸 452 129 17 Apr 2023 899th zdzc 452 159 10 Jul 2018 899th rzhade3 452 159 1 Jul 2021 Prev 826–900 of 1,314 Next