Arabic to Roman 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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 PiterAnnema 541 159 30 Aug 2020 826th StefanHabel 🇨🇦 541 159 11 Nov 2022 826th stacksparrow4 541 159 29 Aug 2023 829th HumanoidCPU 541 252 10 Jun 2024 830th HumanoidCPU 540 197 11 Jun 2024 831st emgordon154 540 285 17 Jan 2025 832nd DialFrost 🇸🇬 539 189 11 Dec 2023 832nd nsprd 539 189 19 Jan 2024 834th msbranicky 539 277 12 Aug 2023 835th MeWhenI 🇻🇦 537 140 3 Aug 2024 836th inventshah 537 145 22 Jan 2024 837th ian-odonnell 537 162 12 Mar 2018 837th alexkunin 537 162 7 Jul 2019 839th ian-h-chamberlain 🇺🇸 537 305 4 Feb 2020 840th MeWhenI 🇻🇦 535 204 6 Aug 2023 841st tomh1012 535 222 21 Nov 2021 842nd AGoyet 534 161 26 Jul 2022 842nd NDR0216 🇹🇼 534 161 4 Jul 2024 842nd zhaohm14 534 161 27 days ago 845th Florian-Mt 533 163 14 Nov 2023 846th Shanethegamer 🇺🇸 533 185 28 Jan 2024 847th h4n1virus 🇪🇪 533 256 12 May 2022 848th LouisRustenholz 531 162 23 Dec 2021 848th tobyLovick 531 162 7 Dec 2023 850th gigaprofisi 🇺🇸 530 164 11 days ago 851st TheEric0802 🇩🇪 530 172 22 Sep 2023 852nd KarstenHohmeier 530 186 8 Mar 2018 853rd mpldr 🇩🇪 529 291 24 Mar 2025 854th andrewjc2000 528 163 13 Mar 2025 855th KatieLG 🇬🇧 528 326 19 May 2024 856th Bubbler-4 527 74 19 Jan 2022 857th jcheritat 527 165 6 Sep 2020 857th trinityy-7 527 165 19 Oct 2023 857th alexsave 527 165 11 Sep 2024 860th Lydxn 🇨🇦 525 76 13 Dec 2022 861st roavin 525 194 13 May 2022 862nd mbittner20 524 164 27 May 2023 863rd NatNgs 524 166 9 Jan 2020 863rd tomh1012 524 166 25 Aug 2020 863rd aksyristos 524 166 29 Oct 2022 866th viv511 524 257 3 Feb 2025 867th bac0id 523 195 3 Jul 2024 868th ashscodes 523 294 19 Nov 2023 869th Irratix 🇳🇱 522 279 18 Nov 2021 870th YoungjuneKwon 521 165 19 Dec 2018 870th neihousaigaai 521 165 6 Oct 2024 872nd hpr 520 167 13 Jun 2021 873rd Pimentero 🇷🇺 519 190 14 Apr 2024 874th ArmoryNode 518 269 9 Oct 2024 875th AlexDaniel 🇪🇪 517 104 13 Mar 2018 876th albanian-laundromat 517 183 30 hours ago 877th c0d3-4-F00d 🇩🇪 517 197 19 Apr 2022 878th israem 516 151 19 May 2024 878th MeWhenI 🇻🇦 516 151 24 May 2024 880th emgordon154 516 184 19 Sep 2024 881st ludwig-n 515 167 6 Apr 2021 881st Starwort 🇬🇧 515 167 4 Dec 2022 883rd jared-hughes 514 118 12 Sep 2022 884th xkacer 🇨🇿 514 169 24 Jan 2021 884th c0d3-4-F00d 🇩🇪 514 169 23 Jan 2022 884th FrederikHutfless 🇩🇪 514 169 26 Dec 2022 887th bbakersmith 513 185 29 Jul 2021 888th jfallon1997 512 168 15 Aug 2022 888th mathisfun271 512 168 16 Dec 2023 890th adaGrad1 512 199 4 Sep 2023 891st tailorspy 512 263 21 Mar 2025 892nd BambooleanLogic 🇸🇪 511 170 11 Dec 2021 892nd rbrdl 511 170 30 Dec 2021 892nd edsrzf 🇳🇿 511 170 21 Sep 2024 895th acornellier 510 119 11 Dec 2018 896th SirBogman 🇺🇸 509 153 16 Jan 2024 897th SniperSmiley 🇺🇸 509 169 29 Jun 2022 898th chunky 509 338 1 Oct 2020 899th jackkav 508 171 23 Apr 2018 899th veiko 508 171 18 Jun 2022 Prev 826–900 of 1,723 Next