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 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 kkoenig 561 182 13ms 23 Dec 2023 827th arctouch-cristiannevianna 561 212 445ms 1 Mar 2024 828th nullie 559 154 32ms 7 Jun 2022 829th jjstreet 559 259 761ms 24 Nov 2020 830th Stockoh 🇫🇷 557 140 757ms 15 Jun 2024 831st MeWhenI 🇻🇦 556 204 653ms 1 Feb 2024 832nd anonymaew 555 155 21ms 19 Aug 2023 832nd mathb0y512 555 155 24ms 11 Jan 2024 834th nat-418 554 165 18ms 3 Nov 2022 835th OllieBoyne 🇬🇧 552 156 28ms 27 Jan 2021 835th chartung17 552 156 19ms 1 Jan 2024 835th ZorblaxV 552 156 20ms 10 Jan 2025 838th Shanethegamer 🇺🇸 552 185 12ms 28 Jan 2024 839th dokutan 552 214 25ms 3 Oct 2024 840th keelimeguy 🇺🇸 552 244 516ms 5 Nov 2023 841st neihousaigaai 550 158 14ms 28 Apr 2021 842nd Narik1 550 216 485ms 3 Apr 2023 842nd postie77 550 216 477ms 19 May 2023 842nd JDiLenarda 🇫🇷 550 216 402ms 21 Nov 2023 845th Narik1 550 280 257ms 3 Apr 2023 846th dokutan 549 261 19ms 3 Oct 2024 847th phfroidmont 549 296 37ms 3 Oct 2023 848th yanjs 548 157 27ms 30 Sep 2021 849th TeodorDyakov 🇧🇬 548 264 397ms 5 Sep 2025 850th MeWhenI 🇻🇦 547 141 452ms 15 Feb 2023 851st somebody1234 547 159 13ms 24 Mar 2018 851st coreynash 547 159 21ms 26 Sep 2023 851st zekestephens 547 159 14ms 7 days ago 854th BlankSpruce 546 187 10ms 26 Aug 2022 854th violeta-desantis 546 187 12ms 13 Apr 2024 856th dokutan 545 138 176ms 5 Jun 2025 857th inventshah 545 158 23ms 24 Jan 2023 857th mediocr3 545 158 22ms 19 Jul 2023 857th Mabeloid 🇳🇴 545 158 23ms 17 Sep 2024 857th andrewjc2000 545 158 22ms 10 Jul 2025 861st tomh1012 545 218 390ms 8 Sep 2025 862nd RockOfStone 544 213 7ms 22 Dec 2022 863rd joshuaxie8 544 266 390ms 9 Jul 2025 864th tegenton 543 188 11ms 5 Oct 2021 864th Irratix 🇳🇱 543 188 12ms 8 Mar 2022 864th RealAMC 🇳🇿 543 188 12ms 21 Nov 2023 867th PiterAnnema 541 159 26ms 30 Aug 2020 867th StefanHabel 🇨🇦 541 159 33ms 11 Nov 2022 867th stacksparrow4 541 159 30ms 29 Aug 2023 870th DialFrost 🇸🇬 540 189 14ms 11 Dec 2023 870th nsprd 540 189 11ms 19 Jan 2024 872nd HumanoidCPU 540 197 149ms 11 Jun 2024 872nd dokutan 540 197 181ms 15 Aug 2025 874th emgordon154 540 285 309ms 17 Jan 2025 875th inventshah 538 145 680ms 22 Jan 2024 876th ian-h-chamberlain 🇺🇸 538 305 180ms 4 Feb 2020 877th MeWhenI 🇻🇦 537 140 142ms 3 Aug 2024 878th ian-odonnell 537 162 12ms 12 Mar 2018 878th alexkunin 537 162 15ms 7 Jul 2019 878th gigaprofisi 🇺🇸 537 162 17ms 7 Aug 2025 881st AGoyet 535 161 29ms 26 Jul 2022 881st NDR0216 🇹🇼 535 161 21ms 4 Jul 2024 881st zhaohm14 535 161 24ms 6 Jun 2025 884th Florian-Mt 534 163 14ms 14 Nov 2023 885th Shanethegamer 🇺🇸 533 185 13ms 28 Jan 2024 886th mbuchel 532 233 439ms 28 Aug 2021 887th LouisRustenholz 531 162 48ms 23 Dec 2021 887th tobyLovick 531 162 21ms 7 Dec 2023 889th TheEric0802 🇩🇪 531 172 20ms 22 Sep 2023 890th KarstenHohmeier 530 186 13ms 8 Mar 2018 891st mpldr 🇩🇪 529 291 305ms 24 Mar 2025 892nd KatieLG 🇬🇧 528 326 98ms 19 May 2024 893rd Bubbler-4 527 74 5ms 19 Jan 2022 894th commandblockguy 🇺🇸 527 148 709ms 1 Sep 2025 895th jcheritat 527 165 14ms 6 Sep 2020 895th trinityy-7 527 165 14ms 19 Oct 2023 895th alexsave 527 165 29ms 11 Sep 2024 898th iczelia 🇩🇪 527 180 99ms 21 days ago 899th roavin 526 194 12ms 13 May 2022 900th HumanoidCPU 526 272 11ms 19 Aug 2024 First Prev 826–900 of 1,827 Next Last