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 376th DialFrost 🇸🇬 751 225 20 Jan 2025 377th CaedenHarper 🇨🇦 750 71 22 days ago 378th UnderKoen 🇳🇱 750 185 15 Oct 2024 379th sciencejiho 749 102 13 Sep 2024 379th FortuiteMan 🇫🇷 749 102 25 Sep 2024 381st Shanethegamer 🇺🇸 749 122 4 Oct 2024 382nd error256 748 226 28 Mar 2025 383rd Shanethegamer 🇺🇸 745 95 1 Sep 2024 383rd HumanoidCPU 745 95 29 Oct 2024 385th Mikey-Beep 🇬🇧 743 119 2 Sep 2024 386th julian-hoelz 742 103 16 Sep 2024 386th CornerMercury 🇬🇧 742 103 3 Dec 2024 386th StefanHabel 🇨🇦 742 103 22 Mar 2025 389th stefangimmillaro 739 169 3 Sep 2024 390th pardouin 🇫🇷 736 87 3 Sep 2024 391st Shanethegamer 🇺🇸 735 71 1 Sep 2024 391st MarcMush 🇫🇷 735 71 16 Sep 2024 393rd ComputerKWasTaken 🇺🇸 735 104 2 Sep 2024 393rd elgan65536 735 104 23 Sep 2024 393rd NickTheEASDude 🇺🇸 735 104 13 days ago 396th FlyingPenguin223 734 94 18 Sep 2024 397th MostParsingVex 734 164 6 Jan 2025 398th GolfingSuccess 🇬🇷 733 30 1 Sep 2024 398th MeWhenI 🇻🇦 733 30 8 Jun 2025 400th error256 730 121 24 Sep 2024 401st targrik 729 97 8 Feb 2025 402nd edsrzf 🇳🇿 729 104 27 Jan 2025 403rd albanian-laundromat 728 232 4 days ago 404th GolfingSuccess 🇬🇷 726 67 1 Sep 2024 405th Shanethegamer 🇺🇸 726 95 2 Sep 2024 406th emgordon154 725 63 18 Nov 2024 407th Lv0Sys 🇵🇱 722 98 16 Jun 2025 408th CutSandstone 721 106 21 Dec 2024 409th Shanethegamer 🇺🇸 720 128 1 Sep 2024 410th GrayJoKing 🇦🇺 718 86 2 Sep 2024 411th Kacarott 🇦🇺 717 132 4 Sep 2024 412th kg583 🇺🇸 716 106 23 days ago 413th msbranicky 715 136 1 Sep 2024 414th galloj 🇨🇿 714 107 4 Sep 2024 414th FlorianCassayre 🇫🇷 714 107 9 Sep 2024 414th jared-hughes 714 107 10 Sep 2024 414th nstearns96 🇬🇧 714 107 13 Nov 2024 414th rchalamala 714 107 2 Jan 2025 414th brochmann 🇸🇪 714 107 3 days ago 420th snyderek 🇺🇸 714 150 15 Sep 2024 421st dokutan 710 75 29 Aug 2025 422nd JDiLenarda 🇫🇷 708 170 3 Sep 2024 423rd alexsave 707 100 22 Sep 2024 424th JesseNoEyes 🇺🇸 707 108 30 Sep 2024 425th adriweb 🇫🇷 704 98 4 Sep 2024 425th sean-niemann 🇺🇸 704 98 5 Sep 2024 425th dokutan 704 98 14 Sep 2024 428th Shanethegamer 🇺🇸 704 114 2 Sep 2024 429th MeWhenI 🇻🇦 701 88 1 Sep 2024 429th error256 701 88 10 Sep 2024 431st HumanoidCPU 701 90 2 Sep 2024 432nd Mabeloid 🇳🇴 701 109 1 Sep 2024 432nd MassimoParisi 701 109 18 Sep 2024 432nd klixel 🇨🇦 701 109 21 Sep 2024 432nd NotNoper 701 109 29 Oct 2024 432nd za3k 701 109 15 Jul 2025 432nd RaBa21 🇭🇺 701 109 18 Jul 2025 438th ovs-code 🇩🇪 701 128 1 Sep 2024 439th emgordon154 700 101 1 Sep 2024 440th frosster 697 99 21 Mar 2025 441st MostParsingVex 696 154 15 Sep 2024 442nd KatieLG 🇬🇧 694 91 1 Sep 2024 443rd sean-niemann 🇺🇸 694 114 7 Sep 2024 444th elgan65536 693 172 23 Sep 2024 445th sean-niemann 🇺🇸 692 107 23 Aug 2025 446th stefangimmillaro 691 90 14 Nov 2024 447th Shanethegamer 🇺🇸 689 206 4 Sep 2024 448th retrohun 688 89 1 Sep 2024 449th aksyristos 688 111 1 Sep 2024 449th wh3n3v3r 🇨🇿 688 111 11 Nov 2024 First Prev 376–450 of 677 Next Last