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 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 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 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 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 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 Turtle Tutorial # Golfer Points Bytes Time Submitted 375th Artemis21 🇬🇧 764 100 9ms 4 Jan 2025 377th dokutan 763 83 400ms 3 Sep 2024 377th lifthrasiir 🇰🇷 763 83 397ms 2 Dec 2024 377th albanian-laundromat 763 83 402ms 4 Aug 2025 377th CaedenHarper 🇨🇦 763 83 385ms 9 Aug 2025 381st error256 759 116 110ms 2 Sep 2024 382nd madex 🇩🇪 757 101 9ms 1 Sep 2024 382nd RedzGoose 🇦🇺 757 101 9ms 15 Oct 2024 382nd JunkIce 757 101 9ms 25 Oct 2024 382nd Flekay 🇩🇪 757 101 9ms 10 Jul 2025 386th sean-niemann 🇺🇸 755 118 2ms 16 Jan 2025 387th stefangimmillaro 753 94 8ms 4 Sep 2024 388th targrik 752 83 4ms 8 Feb 2025 389th Shanethegamer 🇺🇸 752 117 117ms 1 Sep 2024 390th DialFrost 🇸🇬 751 225 398ms 20 Jan 2025 391st CaedenHarper 🇨🇦 750 71 694ms 27 Sep 2025 392nd sciencejiho 749 102 9ms 13 Sep 2024 392nd Papushkado 749 102 9ms 21 days ago 394th Shanethegamer 🇺🇸 749 122 6ms 4 Oct 2024 395th error256 748 226 403ms 28 Mar 2025 396th DialFrost 🇸🇬 746 96 96ms 3 days ago 397th Shanethegamer 🇺🇸 745 95 9ms 1 Sep 2024 397th HumanoidCPU 745 95 8ms 29 Oct 2024 399th Mikey-Beep 🇬🇧 743 119 367ms 2 Sep 2024 400th julian-hoelz 742 103 9ms 16 Sep 2024 400th StefanHabel 🇨🇦 742 103 89ms 22 Mar 2025 402nd stefangimmillaro 739 169 44ms 3 Sep 2024 403rd pardouin 🇫🇷 736 87 85ms 3 Sep 2024 404th Shanethegamer 🇺🇸 735 71 249ms 1 Sep 2024 404th MarcMush 🇫🇷 735 71 459ms 16 Sep 2024 406th ComputerKWasTaken 🇺🇸 735 104 9ms 2 Sep 2024 406th elgan65536 735 104 9ms 23 Sep 2024 406th NickTheEASDude 🇺🇸 735 104 9ms 7 Oct 2025 409th FlyingPenguin223 734 94 1ms 18 Sep 2024 410th MostParsingVex 734 164 61ms 6 Jan 2025 411th GolfingSuccess 🇬🇷 733 30 49ms 1 Sep 2024 411th MeWhenI 🇻🇦 733 30 58ms 8 Jun 2025 413th snoozingnewt 🇺🇸 731 110 75ms 8 days ago 414th targrik 730 97 8ms 8 Feb 2025 415th error256 730 121 344ms 24 Sep 2024 416th albanian-laundromat 728 232 409ms 15 Oct 2025 417th bitsandbeyond 🇳🇱 726 64 256ms 3 hours ago 418th Shanethegamer 🇺🇸 726 95 1ms 2 Sep 2024 419th emgordon154 725 63 854ms 18 Nov 2024 420th Lv0Sys 🇵🇱 722 98 8ms 16 Jun 2025 421st CutSandstone 721 106 11ms 21 Dec 2024 422nd GrayJoKing 🇦🇺 720 86 125ms 2 Sep 2024 423rd Shanethegamer 🇺🇸 720 128 377ms 1 Sep 2024 424th dokutan 719 124 2ms 5 Sep 2024 425th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 426th kg583 🇺🇸 716 106 5ms 26 Sep 2025 427th galloj 🇨🇿 714 107 9ms 4 Sep 2024 427th FlorianCassayre 🇫🇷 714 107 9ms 9 Sep 2024 427th jared-hughes 714 107 9ms 10 Sep 2024 427th nstearns96 🇬🇧 714 107 9ms 13 Nov 2024 427th rchalamala 714 107 9ms 2 Jan 2025 427th brochmann 🇸🇪 714 107 9ms 16 Oct 2025 433rd snyderek 🇺🇸 712 150 54ms 15 Sep 2024 434th dokutan 710 75 686ms 29 Aug 2025 435th alexsave 708 100 8ms 22 Sep 2024 436th JesseNoEyes 🇺🇸 708 108 9ms 30 Sep 2024 437th JDiLenarda 🇫🇷 708 170 1,251ms 3 Sep 2024 438th HumanoidCPU 704 90 397ms 2 Sep 2024 439th adriweb 🇫🇷 704 98 1ms 4 Sep 2024 439th sean-niemann 🇺🇸 704 98 1ms 5 Sep 2024 439th dokutan 704 98 2ms 14 Sep 2024 442nd Shanethegamer 🇺🇸 704 114 102ms 2 Sep 2024 443rd MeWhenI 🇻🇦 703 88 128ms 1 Sep 2024 443rd error256 703 88 126ms 10 Sep 2024 445th emgordon154 701 101 8ms 1 Sep 2024 446th Mabeloid 🇳🇴 701 109 9ms 1 Sep 2024 446th MassimoParisi 701 109 9ms 18 Sep 2024 446th klixel 🇨🇦 701 109 9ms 21 Sep 2024 446th NotNoper 701 109 9ms 29 Oct 2024 446th za3k 701 109 9ms 15 Jul 2025 First Prev 376–450 of 693 Next Last