PalindromemordnilaP in all languages in bytes. 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 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 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 Bytes Time Submitted 376th stefangimmillaro 753 94 8ms 4 Sep 2024 377th targrik 752 83 4ms 8 Feb 2025 378th Shanethegamer 🇺🇸 752 117 151ms 1 Sep 2024 379th DialFrost 🇸🇬 751 225 855ms 20 Jan 2025 380th CaedenHarper 🇨🇦 750 71 999ms 27 Sep 2025 381st UnderKoen 🇳🇱 750 185 31ms 15 Oct 2024 382nd sciencejiho 749 102 10ms 13 Sep 2024 382nd FortuiteMan 🇫🇷 749 102 10ms 25 Sep 2024 384th Shanethegamer 🇺🇸 749 122 9ms 4 Oct 2024 385th error256 748 226 865ms 28 Mar 2025 386th Shanethegamer 🇺🇸 745 95 10ms 1 Sep 2024 386th HumanoidCPU 745 95 9ms 29 Oct 2024 388th Mikey-Beep 🇬🇧 743 119 323ms 2 Sep 2024 389th julian-hoelz 742 103 10ms 16 Sep 2024 389th CornerMercury 🇬🇧 742 103 11ms 3 Dec 2024 389th StefanHabel 🇨🇦 742 103 96ms 22 Mar 2025 392nd stefangimmillaro 739 169 46ms 3 Sep 2024 393rd pardouin 🇫🇷 736 87 302ms 3 Sep 2024 394th Shanethegamer 🇺🇸 735 71 267ms 1 Sep 2024 394th MarcMush 🇫🇷 735 71 567ms 16 Sep 2024 396th ComputerKWasTaken 🇺🇸 735 104 10ms 2 Sep 2024 396th elgan65536 735 104 11ms 23 Sep 2024 396th NickTheEASDude 🇺🇸 735 104 10ms 7 Oct 2025 399th FlyingPenguin223 734 94 2ms 18 Sep 2024 400th MostParsingVex 734 164 73ms 6 Jan 2025 401st GolfingSuccess 🇬🇷 733 30 53ms 1 Sep 2024 401st MeWhenI 🇻🇦 733 30 73ms 8 Jun 2025 401st CaedenHarper 🇨🇦 733 30 40ms 12 days ago 404th error256 730 121 383ms 24 Sep 2024 405th targrik 729 97 9ms 8 Feb 2025 406th edsrzf 🇳🇿 729 104 7ms 27 Jan 2025 407th albanian-laundromat 728 232 834ms 23 days ago 408th bitsandbeyond 🇳🇱 726 64 208ms 2 days ago 409th GolfingSuccess 🇬🇷 726 67 11ms 1 Sep 2024 410th Shanethegamer 🇺🇸 726 95 2ms 2 Sep 2024 411th emgordon154 725 63 1,008ms 18 Nov 2024 412th Lv0Sys 🇵🇱 722 98 10ms 16 Jun 2025 413th CutSandstone 721 106 13ms 21 Dec 2024 414th Shanethegamer 🇺🇸 720 128 427ms 1 Sep 2024 415th GrayJoKing 🇦🇺 718 86 150ms 2 Sep 2024 416th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 417th kg583 🇺🇸 716 106 8ms 26 Sep 2025 418th msbranicky 715 136 3ms 1 Sep 2024 419th galloj 🇨🇿 714 107 10ms 4 Sep 2024 419th FlorianCassayre 🇫🇷 714 107 10ms 9 Sep 2024 419th jared-hughes 714 107 14ms 10 Sep 2024 419th nstearns96 🇬🇧 714 107 11ms 13 Nov 2024 419th rchalamala 714 107 10ms 2 Jan 2025 419th brochmann 🇸🇪 714 107 10ms 22 days ago 425th snyderek 🇺🇸 714 150 59ms 15 Sep 2024 426th dokutan 710 75 1,085ms 29 Aug 2025 427th JDiLenarda 🇫🇷 708 170 1,342ms 3 Sep 2024 428th alexsave 707 100 10ms 22 Sep 2024 429th JesseNoEyes 🇺🇸 707 108 10ms 30 Sep 2024 430th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 430th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 430th dokutan 704 98 2ms 14 Sep 2024 433rd Shanethegamer 🇺🇸 704 114 136ms 2 Sep 2024 434th HumanoidCPU 702 90 492ms 2 Sep 2024 435th MeWhenI 🇻🇦 701 88 151ms 1 Sep 2024 435th error256 701 88 136ms 10 Sep 2024 437th Mabeloid 🇳🇴 701 109 11ms 1 Sep 2024 437th MassimoParisi 701 109 10ms 18 Sep 2024 437th klixel 🇨🇦 701 109 15ms 21 Sep 2024 437th NotNoper 701 109 12ms 29 Oct 2024 437th za3k 701 109 11ms 15 Jul 2025 437th RaBa21 🇭🇺 701 109 10ms 18 Jul 2025 443rd ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 444th emgordon154 700 101 9ms 1 Sep 2024 445th frosster 697 99 2ms 21 Mar 2025 446th MostParsingVex 696 154 1,237ms 15 Sep 2024 447th KatieLG 🇬🇧 694 91 565ms 1 Sep 2024 448th sean-niemann 🇺🇸 694 114 102ms 7 Sep 2024 449th elgan65536 693 172 204ms 23 Sep 2024 450th sean-niemann 🇺🇸 692 107 4ms 23 Aug 2025 First Prev 376–450 of 682 Next Last