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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 ArkScript 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 ArkScript 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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st albanian-laundromat 754 69 741ms 12 Sep 2025 402nd Shanethegamer 🇺🇸 754 117 119ms 1 Sep 2024 403rd stefangimmillaro 753 94 10ms 4 Sep 2024 404th targrik 752 83 5ms 8 Feb 2025 405th DialFrost 🇸🇬 752 96 111ms 28 Nov 2025 405th snoozingnewt 🇨🇦 752 96 109ms 5 Dec 2025 407th DialFrost 🇸🇬 751 225 1,459ms 20 Jan 2025 408th sciencejiho 750 102 10ms 13 Sep 2024 408th Papushkado 750 102 9ms 10 Nov 2025 408th mateusz-sterczewski 750 102 10ms 2 hours ago 411th UnderKoen 🇳🇱 750 185 64ms 1 Dec 2025 412th Shanethegamer 🇺🇸 749 122 6ms 4 Oct 2024 413th error256 748 226 1,463ms 28 Mar 2025 414th Shanethegamer 🇺🇸 745 95 11ms 1 Sep 2024 414th HumanoidCPU 745 95 13ms 29 Oct 2024 416th Mikey-Beep 🇬🇧 744 119 397ms 2 Sep 2024 417th julian-hoelz 743 103 10ms 16 Sep 2024 417th StefanHabel 🇨🇦 743 103 97ms 22 Mar 2025 419th MostParsingVex 741 164 77ms 6 Jan 2025 420th stefangimmillaro 739 169 44ms 3 Sep 2024 421st Shanethegamer 🇺🇸 737 71 282ms 1 Sep 2024 421st MarcMush 🇫🇷 737 71 575ms 16 Sep 2024 423rd pardouin 🇫🇷 736 87 80ms 3 Sep 2024 424th ComputerKWasTaken 🇺🇸 736 104 10ms 2 Sep 2024 424th elgan65536 736 104 9ms 23 Sep 2024 424th NickTheEASDude 🇺🇸 736 104 10ms 7 Oct 2025 427th Shanethegamer 🇺🇸 735 105 4ms 1 Sep 2024 428th FlyingPenguin223 734 94 2ms 18 Sep 2024 429th GolfingSuccess 🇬🇷 733 30 56ms 1 Sep 2024 429th MeWhenI 🇻🇦 733 30 66ms 8 Jun 2025 429th CaedenHarper 🇨🇦 733 30 48ms 1 Dec 2025 432nd CaedenHarper 🇨🇦 732 71 748ms 27 Sep 2025 433rd error256 732 121 377ms 24 Sep 2024 434th snoozingnewt 🇨🇦 731 110 102ms 22 Nov 2025 435th targrik 730 97 10ms 8 Feb 2025 436th albanian-laundromat 728 232 1,464ms 15 Oct 2025 437th bitsandbeyond 🇳🇱 726 64 275ms 1 Dec 2025 438th Shanethegamer 🇺🇸 726 95 2ms 2 Sep 2024 439th emgordon154 725 63 854ms 18 Nov 2024 440th CutSandstone 722 106 13ms 21 Dec 2024 441st GrayJoKing 🇦🇺 720 86 130ms 2 Sep 2024 442nd Shanethegamer 🇺🇸 720 128 377ms 1 Sep 2024 443rd dokutan 719 124 3ms 5 Sep 2024 444th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 445th kg583 🇺🇸 716 106 6ms 26 Sep 2025 446th galloj 🇨🇿 715 107 10ms 4 Sep 2024 446th FlorianCassayre 🇫🇷 715 107 12ms 9 Sep 2024 446th jared-hughes 715 107 10ms 10 Sep 2024 446th nstearns96 🇬🇧 715 107 10ms 13 Nov 2024 446th rchalamala 715 107 10ms 2 Jan 2025 446th brochmann 🇸🇪 715 107 10ms 16 Oct 2025 452nd snyderek 🇺🇸 712 150 50ms 15 Sep 2024 453rd alexsave 708 100 15ms 22 Sep 2024 454th JesseNoEyes 🇺🇸 708 108 9ms 30 Sep 2024 455th JDiLenarda 🇫🇷 708 170 1,314ms 3 Sep 2024 456th error256 705 97 15ms 115 mins ago 457th HumanoidCPU 704 90 540ms 2 Sep 2024 458th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 458th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 458th dokutan 704 98 2ms 14 Sep 2024 461st Shanethegamer 🇺🇸 704 114 114ms 2 Sep 2024 462nd MeWhenI 🇻🇦 703 88 132ms 1 Sep 2024 462nd error256 703 88 131ms 10 Sep 2024 464th Mabeloid 🇳🇴 702 109 10ms 1 Sep 2024 464th MassimoParisi 702 109 11ms 18 Sep 2024 464th klixel 🇨🇦 702 109 10ms 21 Sep 2024 464th NotNoper 702 109 9ms 29 Oct 2024 464th za3k 702 109 11ms 15 Jul 2025 464th RaBa21 🇭🇺 702 109 11ms 18 Jul 2025 464th zgialor-lab 702 109 11ms 17 Dec 2025 471st ovs-code 🇩🇪 702 128 2ms 1 Sep 2024 472nd emgordon154 701 101 10ms 1 Sep 2024 473rd CaedenHarper 🇨🇦 701 187 256ms 8 Nov 2025 474th frosster 697 99 2ms 21 Mar 2025 475th sean-niemann 🇺🇸 697 114 108ms 7 Sep 2024 476th KatieLG 🇬🇧 696 91 496ms 1 Sep 2024 477th elgan65536 695 172 194ms 23 Sep 2024 478th MeWhenI 🇻🇦 694 59 1,025ms 13 Jun 2025 479th MostParsingVex 694 154 1,498ms 15 Sep 2024 480th dokutan 693 75 731ms 29 Aug 2025 First Prev 401–480 of 724 Next Last