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 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 Bytes Time Submitted 376th targrik 752 83 5ms 8 Feb 2025 377th Shanethegamer 🇺🇸 752 117 151ms 1 Sep 2024 378th DialFrost 🇸🇬 751 225 890ms 20 Jan 2025 379th CaedenHarper 🇨🇦 750 71 910ms 26 days ago 380th UnderKoen 🇳🇱 750 185 34ms 15 Oct 2024 381st sciencejiho 749 102 10ms 13 Sep 2024 381st FortuiteMan 🇫🇷 749 102 10ms 25 Sep 2024 383rd Shanethegamer 🇺🇸 749 122 9ms 4 Oct 2024 384th error256 748 226 1,027ms 28 Mar 2025 385th Shanethegamer 🇺🇸 745 95 10ms 1 Sep 2024 385th HumanoidCPU 745 95 9ms 29 Oct 2024 387th Mikey-Beep 🇬🇧 743 119 323ms 2 Sep 2024 388th julian-hoelz 742 103 10ms 16 Sep 2024 388th CornerMercury 🇬🇧 742 103 11ms 3 Dec 2024 388th StefanHabel 🇨🇦 742 103 96ms 22 Mar 2025 391st stefangimmillaro 739 169 46ms 3 Sep 2024 392nd pardouin 🇫🇷 736 87 312ms 3 Sep 2024 393rd Shanethegamer 🇺🇸 735 71 267ms 1 Sep 2024 393rd MarcMush 🇫🇷 735 71 567ms 16 Sep 2024 395th ComputerKWasTaken 🇺🇸 735 104 10ms 2 Sep 2024 395th elgan65536 735 104 11ms 23 Sep 2024 395th NickTheEASDude 🇺🇸 735 104 10ms 16 days ago 398th FlyingPenguin223 734 94 2ms 18 Sep 2024 399th MostParsingVex 734 164 73ms 6 Jan 2025 400th GolfingSuccess 🇬🇷 733 30 53ms 1 Sep 2024 400th MeWhenI 🇻🇦 733 30 73ms 8 Jun 2025 402nd error256 730 121 383ms 24 Sep 2024 403rd targrik 729 97 9ms 8 Feb 2025 404th edsrzf 🇳🇿 729 104 7ms 27 Jan 2025 405th albanian-laundromat 728 232 1,217ms 8 days ago 406th GolfingSuccess 🇬🇷 726 67 11ms 1 Sep 2024 407th Shanethegamer 🇺🇸 726 95 2ms 2 Sep 2024 408th emgordon154 725 63 1,008ms 18 Nov 2024 409th Lv0Sys 🇵🇱 722 98 10ms 16 Jun 2025 410th CutSandstone 721 106 13ms 21 Dec 2024 411th Shanethegamer 🇺🇸 720 128 427ms 1 Sep 2024 412th GrayJoKing 🇦🇺 718 86 135ms 2 Sep 2024 413th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 414th kg583 🇺🇸 716 106 8ms 27 days ago 415th msbranicky 715 136 3ms 1 Sep 2024 416th galloj 🇨🇿 714 107 10ms 4 Sep 2024 416th FlorianCassayre 🇫🇷 714 107 10ms 9 Sep 2024 416th jared-hughes 714 107 14ms 10 Sep 2024 416th nstearns96 🇬🇧 714 107 11ms 13 Nov 2024 416th rchalamala 714 107 10ms 2 Jan 2025 416th brochmann 🇸🇪 714 107 10ms 7 days ago 422nd snyderek 🇺🇸 714 150 66ms 15 Sep 2024 423rd dokutan 710 75 861ms 29 Aug 2025 424th JDiLenarda 🇫🇷 708 170 1,342ms 3 Sep 2024 425th alexsave 707 100 10ms 22 Sep 2024 426th JesseNoEyes 🇺🇸 707 108 10ms 30 Sep 2024 427th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 427th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 427th dokutan 704 98 2ms 14 Sep 2024 430th Shanethegamer 🇺🇸 704 114 136ms 2 Sep 2024 431st HumanoidCPU 702 90 492ms 2 Sep 2024 432nd MeWhenI 🇻🇦 701 88 131ms 1 Sep 2024 432nd error256 701 88 126ms 10 Sep 2024 434th Mabeloid 🇳🇴 701 109 11ms 1 Sep 2024 434th MassimoParisi 701 109 10ms 18 Sep 2024 434th klixel 🇨🇦 701 109 15ms 21 Sep 2024 434th NotNoper 701 109 12ms 29 Oct 2024 434th za3k 701 109 11ms 15 Jul 2025 434th RaBa21 🇭🇺 701 109 10ms 18 Jul 2025 440th ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 441st emgordon154 700 101 9ms 1 Sep 2024 442nd frosster 697 99 2ms 21 Mar 2025 443rd MostParsingVex 696 154 1,339ms 15 Sep 2024 444th KatieLG 🇬🇧 694 91 565ms 1 Sep 2024 445th sean-niemann 🇺🇸 694 114 120ms 7 Sep 2024 446th elgan65536 693 172 212ms 23 Sep 2024 447th sean-niemann 🇺🇸 692 107 4ms 23 Aug 2025 448th stefangimmillaro 691 90 2,365ms 14 Nov 2024 449th Shanethegamer 🇺🇸 689 206 33ms 4 Sep 2024 450th retrohun 688 89 106ms 1 Sep 2024 First Prev 376–450 of 679 Next Last