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 524th Maznek 734 103 19ms 28 Jun 2023 527th HPWiz 🇳🇿 733 98 18ms 5 Sep 2021 527th jakobkordez 🇸🇮 733 98 21ms 31 Oct 2022 527th Rubiksmath 733 98 19ms 5 Sep 2023 527th ovs-code 🇩🇪 733 98 43ms 27 Jan 2024 527th elgan65536 733 98 20ms 31 Mar 2024 527th 4atj 733 98 19ms 30 Jun 2025 533rd janbehrens 🇩🇪 730 122 472ms 18 May 2023 534th SirBogman 🇺🇸 727 66 47ms 20 Mar 2022 535th CaedenHarper 🇨🇦 727 104 13ms 17 Aug 2025 536th kg583 🇺🇸 727 114 14ms 28 Sep 2025 537th sisyphus-ppcg 🇦🇺 726 89 404ms 16 Jan 2024 537th MeWhenI 🇻🇦 726 89 454ms 24 May 2024 537th CaedenHarper 🇨🇦 726 89 522ms 30 Sep 2025 537th snoozingnewt 🇺🇸 726 89 370ms 59 mins ago 541st xnor-gate 726 99 40ms 18 Sep 2021 541st wh3n3v3r 🇨🇿 726 99 29ms 8 Nov 2024 543rd AlephSquirrel 726 138 5ms 29 Jul 2023 544th treeowl 726 153 352ms 25 Feb 2019 545th Lydxn 🇨🇦 725 139 373ms 30 Jun 2021 545th ScottHamper 725 139 380ms 1 Jul 2021 545th dokutan 725 139 410ms 6 days ago 548th Waffle3z 722 124 18ms 17 Apr 2022 549th laikoni 722 154 393ms 23 Feb 2019 550th o0lit3 🇺🇸 721 61 24ms 27 Sep 2020 550th Lydxn 🇨🇦 721 61 205ms 31 Dec 2021 550th DialFrost 🇸🇬 721 61 195ms 25 Jan 2023 550th ovs-code 🇩🇪 721 61 184ms 3 Oct 2023 550th iczelia 🇩🇪 721 61 177ms 14 days ago 555th MeWhenI 🇻🇦 721 98 2,454ms 24 Oct 2024 556th prplz 🇦🇺 720 81 1,043ms 17 Jun 2020 556th Feniske 🇫🇷 720 81 2,793ms 26 Nov 2023 558th xyangst 720 105 17ms 4 Oct 2024 558th Salutations45 720 105 13ms 11 Jan 2025 560th inventshah 719 100 20ms 14 Apr 2021 560th lynn 719 100 20ms 29 Nov 2021 560th CedricGebistorf 719 100 20ms 2 Mar 2022 560th scpchicken 🇵🇼 719 100 19ms 4 May 2022 560th AlephSquirrel 719 100 25ms 6 Dec 2022 560th bricknellj 719 100 18ms 25 Jan 2023 560th LogicalJoe 719 100 21ms 24 May 2023 560th janbehrens 🇩🇪 719 100 20ms 17 Jun 2023 560th bizy-coder 719 100 22ms 27 Jan 2024 560th 5cw 🇺🇸 719 100 19ms 5 Jul 2024 560th firegene 🇮🇪 719 100 19ms 30 Jan 2025 560th edsrzf 🇳🇿 719 100 19ms 29 Jun 2025 560th KasperKivimaeki 🇫🇮 719 100 23ms 30 Jun 2025 560th wuduculfre 719 100 19ms 22 Jul 2025 574th ndren 718 90 409ms 5 May 2024 574th DialFrost 🇸🇬 718 90 511ms 4 Jun 2024 576th Shanethegamer 🇺🇸 714 88 16ms 30 Oct 2023 577th Attero 🇸🇪 713 106 13ms 28 Oct 2020 577th jared-hughes 713 106 17ms 3 Aug 2022 577th coreynash 713 106 13ms 16 Feb 2024 580th antimon2 🇯🇵 712 83 1,088ms 18 Aug 2025 581st mrondon8 712 101 21ms 5 Sep 2021 581st Artemis21 🇬🇧 712 101 25ms 10 Jan 2025 583rd Shanethegamer 🇺🇸 712 139 59ms 30 Jun 2022 584th HPWiz 🇳🇿 711 48 52ms 4 Oct 2021 585th AlephSquirrel 710 91 536ms 21 Jan 2024 585th Jacob385 710 91 512ms 13 Nov 2024 587th ovs-code 🇩🇪 709 92 147ms 20 Nov 2024 587th dokutan 709 92 134ms 20 Apr 2025 589th raphaelimahorn 707 107 16ms 17 Aug 2021 589th scpchicken 🇵🇼 707 107 13ms 26 Jan 2022 589th itsh01 707 107 13ms 3 Apr 2022 589th solmyr2000 707 107 12ms 11 Jun 2022 589th rifatx 707 107 15ms 17 Mar 2023 589th acollett89 707 107 12ms 4 Aug 2025 595th Attero 🇸🇪 705 102 22ms 25 Sep 2020 596th user189032 703 158 345ms 30 May 2019 597th Yewzir 🇧🇪 702 172 62ms 9 Jun 2024 598th Shanethegamer 🇺🇸 699 115 74ms 30 Oct 2023 599th strout 699 159 368ms 14 Dec 2023 600th Alessandro-Balconi 🇮🇹 698 49 84ms 14 Jul 2023 First Prev 526–600 of 1,414 Next Last