PalindromemordnilaP 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 376th alexsave 707 100 10ms 22 Sep 2024 377th emgordon154 706 85 132ms 1 Sep 2024 378th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 378th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 378th dokutan 704 98 2ms 14 Sep 2024 381st Shanethegamer 🇺🇸 704 114 136ms 2 Sep 2024 382nd ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 383rd OllieBoyne 🇬🇧 700 89 11ms 9 Sep 2024 383rd davecame 700 89 11ms 17 Sep 2024 383rd Bmrl7 700 89 10ms 3 Oct 2024 383rd DialFrost 🇸🇬 700 89 9ms 21 Nov 2024 387th CaedenHarper 🇨🇦 698 83 514ms 9 Aug 2025 388th GrayJoKing 🇦🇺 698 86 135ms 2 Sep 2024 388th dokutan 698 86 132ms 15 Jun 2025 390th MeWhenI 🇻🇦 698 151 46ms 4 Sep 2024 391st frosster 697 99 2ms 21 Mar 2025 392nd MostParsingVex 696 154 1,339ms 15 Sep 2024 393rd mamamia5x 694 102 11ms 12 Sep 2024 394th sean-niemann 🇺🇸 694 114 120ms 7 Sep 2024 395th elgan65536 693 172 212ms 23 Sep 2024 396th tatzyr 🇯🇵 692 61 36ms 15 days ago 397th sean-niemann 🇺🇸 692 107 4ms 23 Aug 2025 398th stefangimmillaro 691 90 2,365ms 14 Nov 2024 399th Shanethegamer 🇺🇸 689 206 33ms 4 Sep 2024 400th retrohun 688 89 106ms 1 Sep 2024 401st MeWhenI 🇻🇦 688 140 465ms 1 Sep 2024 402nd BlankSpruce 685 91 15ms 1 Sep 2024 402nd ZakkkkAttackkkk 🇵🇭 685 91 11ms 1 Sep 2024 402nd BREMAUCY 🇫🇷 685 91 22ms 3 Sep 2024 402nd charliegaming 685 91 10ms 7 Sep 2024 402nd mbittner20 685 91 10ms 9 Sep 2024 402nd neihousaigaai 685 91 10ms 28 Sep 2024 402nd Rubiksmath 685 91 10ms 1 Oct 2024 402nd jameswmccarty 685 91 15ms 2 Dec 2024 402nd croc54 685 91 10ms 12 Jan 2025 402nd Pyroan 685 91 14ms 24 Feb 2025 402nd WillowWispy 685 91 11ms 21 Mar 2025 402nd KasperKivimaeki 🇫🇮 685 91 10ms 3 Jul 2025 402nd clayboll99 685 91 11ms 15 Jul 2025 402nd CaedenHarper 🇨🇦 685 91 33ms 9 Aug 2025 402nd blaztoma 🇱🇹 685 91 13ms 21 Sep 2025 417th GolfingSuccess 🇬🇷 685 131 2ms 1 Sep 2024 418th MeWhenI 🇻🇦 682 88 131ms 1 Sep 2024 418th error256 682 88 126ms 10 Sep 2024 420th kaascevich 682 116 1,760ms 15 Sep 2025 421st edsrzf 🇳🇿 682 118 432ms 25 Jun 2025 422nd emgordon154 682 288 1,831ms 2 Oct 2024 423rd DialFrost 🇸🇬 681 62 41ms 30 Jan 2025 423rd KatieLG 🇬🇧 681 62 32ms 22 days ago 425th olleicua 🇺🇸 680 104 9ms 11 Sep 2024 426th fourth-bit 678 92 10ms 4 Sep 2024 426th bnic24 678 92 10ms 5 Sep 2024 426th edsrzf 🇳🇿 678 92 5ms 10 Oct 2024 429th BlankSpruce 678 158 71ms 1 Sep 2024 430th MeWhenI 🇻🇦 677 117 132ms 2 Sep 2024 430th stefangimmillaro 677 117 112ms 2 Sep 2024 432nd dokutan 675 156 53ms 1 Sep 2024 433rd edsrzf 🇳🇿 674 104 7ms 27 Jan 2025 434th DialFrost 🇸🇬 673 76 16ms 1 Aug 2025 435th madex 🇩🇪 673 177 222ms 17 Sep 2024 436th dcgjb 671 69 338ms 11 Sep 2024 437th stefangimmillaro 670 63 34ms 2 Sep 2024 437th SirBogman 🇺🇸 670 63 34ms 5 Sep 2024 439th adamnielson42 🇺🇸 670 93 10ms 7 Oct 2024 439th smiksky 🇺🇸 670 93 11ms 16 Oct 2024 439th guilhem-roy 🇫🇷 670 93 14ms 31 May 2025 442nd dokutan 669 78 198ms 3 Sep 2024 443rd alicethecatwhisperermeow 669 132 340ms 14 Sep 2024 444th chunes3 🇺🇸 668 112 75ms 1 Sep 2024 445th madeforlosers 667 106 9ms 23 Oct 2024 446th mousetail 🇳🇱 663 94 15ms 1 Sep 2024 446th ljweel 663 94 10ms 12 Sep 2024 446th jtaxen 663 94 10ms 26 Sep 2024 449th edsrzf 🇳🇿 663 104 2ms 22 May 2025 450th GolfingSuccess 🇬🇷 662 162 417ms 1 Sep 2024 First Prev 376–450 of 676 Next Last