PalindromemordnilaP in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Taxicab 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 Erlang 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 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 Erlang 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 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 Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 374th albanian-laundromat 761 83 666ms 4 Aug 2025 374th CaedenHarper 🇨🇦 761 83 514ms 9 Aug 2025 378th error256 759 116 130ms 2 Sep 2024 379th madex 🇩🇪 757 101 10ms 1 Sep 2024 379th RedzGoose 🇦🇺 757 101 9ms 15 Oct 2024 379th JunkIce 757 101 9ms 25 Oct 2024 379th Flekay 🇩🇪 757 101 9ms 10 Jul 2025 383rd sean-niemann 🇺🇸 755 118 3ms 16 Jan 2025 384th stefangimmillaro 753 94 8ms 4 Sep 2024 385th targrik 752 83 4ms 8 Feb 2025 386th Shanethegamer 🇺🇸 752 117 151ms 1 Sep 2024 387th DialFrost 🇸🇬 751 225 503ms 20 Jan 2025 388th CaedenHarper 🇨🇦 750 71 694ms 27 Sep 2025 389th sciencejiho 750 102 9ms 13 Sep 2024 389th FortuiteMan 🇫🇷 750 102 10ms 25 Sep 2024 389th Papushkado 750 102 10ms 17 days ago 392nd UnderKoen 🇳🇱 750 185 31ms 15 Oct 2024 393rd Shanethegamer 🇺🇸 749 122 9ms 4 Oct 2024 394th error256 748 226 519ms 28 Mar 2025 395th Shanethegamer 🇺🇸 745 95 9ms 1 Sep 2024 395th HumanoidCPU 745 95 8ms 29 Oct 2024 397th Mikey-Beep 🇬🇧 743 119 367ms 2 Sep 2024 398th julian-hoelz 742 103 10ms 16 Sep 2024 398th StefanHabel 🇨🇦 742 103 92ms 22 Mar 2025 400th stefangimmillaro 739 169 46ms 3 Sep 2024 401st pardouin 🇫🇷 736 87 80ms 3 Sep 2024 402nd Shanethegamer 🇺🇸 735 71 249ms 1 Sep 2024 402nd MarcMush 🇫🇷 735 71 481ms 16 Sep 2024 404th ComputerKWasTaken 🇺🇸 735 104 10ms 2 Sep 2024 404th elgan65536 735 104 9ms 23 Sep 2024 404th NickTheEASDude 🇺🇸 735 104 9ms 7 Oct 2025 407th FlyingPenguin223 734 94 2ms 18 Sep 2024 408th MostParsingVex 734 164 73ms 6 Jan 2025 409th GolfingSuccess 🇬🇷 733 30 53ms 1 Sep 2024 409th MeWhenI 🇻🇦 733 30 73ms 8 Jun 2025 409th CaedenHarper 🇨🇦 733 30 40ms 26 Oct 2025 412th snoozingnewt 🇺🇸 731 110 75ms 5 days ago 413th error256 730 121 344ms 24 Sep 2024 414th targrik 729 97 9ms 8 Feb 2025 415th edsrzf 🇳🇿 729 104 7ms 27 Jan 2025 416th albanian-laundromat 728 232 556ms 15 Oct 2025 417th bitsandbeyond 🇳🇱 726 64 180ms 22 days ago 418th GolfingSuccess 🇬🇷 726 67 11ms 1 Sep 2024 419th Shanethegamer 🇺🇸 726 95 2ms 2 Sep 2024 420th emgordon154 725 63 1,008ms 18 Nov 2024 421st Lv0Sys 🇵🇱 722 98 9ms 16 Jun 2025 422nd CutSandstone 721 106 11ms 21 Dec 2024 423rd GrayJoKing 🇦🇺 720 86 125ms 2 Sep 2024 424th Shanethegamer 🇺🇸 720 128 427ms 1 Sep 2024 425th dokutan 719 124 3ms 5 Sep 2024 426th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 427th kg583 🇺🇸 716 106 7ms 26 Sep 2025 428th galloj 🇨🇿 715 107 9ms 4 Sep 2024 428th FlorianCassayre 🇫🇷 715 107 10ms 9 Sep 2024 428th jared-hughes 715 107 9ms 10 Sep 2024 428th nstearns96 🇬🇧 715 107 9ms 13 Nov 2024 428th rchalamala 715 107 9ms 2 Jan 2025 428th brochmann 🇸🇪 715 107 10ms 16 Oct 2025 434th snyderek 🇺🇸 714 150 57ms 15 Sep 2024 435th dokutan 710 75 686ms 29 Aug 2025 436th JesseNoEyes 🇺🇸 708 108 9ms 30 Sep 2024 437th JDiLenarda 🇫🇷 708 170 1,362ms 3 Sep 2024 438th alexsave 707 100 8ms 22 Sep 2024 439th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 439th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 439th dokutan 704 98 2ms 14 Sep 2024 442nd Shanethegamer 🇺🇸 704 114 109ms 2 Sep 2024 443rd MeWhenI 🇻🇦 703 88 128ms 1 Sep 2024 443rd error256 703 88 126ms 10 Sep 2024 445th HumanoidCPU 702 90 492ms 2 Sep 2024 446th Mabeloid 🇳🇴 702 109 9ms 1 Sep 2024 446th MassimoParisi 702 109 9ms 18 Sep 2024 446th klixel 🇨🇦 702 109 10ms 21 Sep 2024 446th NotNoper 702 109 9ms 29 Oct 2024 446th za3k 702 109 10ms 15 Jul 2025 First Prev 376–450 of 699 Next Last