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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 561st Shanethegamer 🇺🇸 653 95 140ms 8 Jan 2025 562nd TFeld00 🇩🇰 651 65 39ms 3 Sep 2024 563rd ShiraJoseph 🇺🇸 651 109 11ms 22 Sep 2024 564th albanian-laundromat 🇺🇸 650 189 44ms 14 Sep 2025 565th msbranicky 650 203 333ms 1 Sep 2024 566th stefangimmillaro 647 151 528ms 6 Oct 2025 567th stefangimmillaro 646 71 1,623ms 3 Sep 2024 568th Waffle3z 646 107 2ms 2 Oct 2024 569th Chinay-Domitrix 🇺🇸 645 97 2,369ms 14 Mar 2026 570th mrxz 🇳🇱 645 110 11ms 22 Sep 2024 570th weliveinhell 🇭🇹 645 110 10ms 28 Sep 2024 572nd Zhenyu-Bo 644 119 10ms 1 Aug 2025 572nd tomh1012 644 119 10ms 2 Mar 2026 574th BlankSpruce 644 140 2ms 1 Sep 2024 575th anter69 🇭🇺 642 66 40ms 25 Oct 2024 576th aDwarfNamedUrist 642 138 118ms 4 Sep 2024 577th stefangimmillaro 641 188 209ms 4 Jun 2025 578th SirBogman 🇺🇸 640 73 288ms 23 Jul 2025 579th Ripick 639 127 433ms 6 Sep 2024 580th lhulinsky 638 120 13ms 23 Oct 2024 580th arjunarya1 638 120 10ms 11 Sep 2025 582nd Shanethegamer 🇺🇸 637 72 1,553ms 1 Sep 2024 582nd anter69 🇭🇺 637 72 1,643ms 25 Oct 2024 584th weeble 637 77 7ms 21 Dec 2025 585th dokutan 637 120 5ms 1 Sep 2024 585th Shanethegamer 🇺🇸 637 120 6ms 2 Sep 2024 587th cthierfelder 🇲🇨 634 193 75ms 5 Sep 2025 588th KatieLG 🇬🇧 633 112 11ms 1 Sep 2024 588th CaedenHarper 🇨🇦 633 112 10ms 22 Aug 2025 590th olleicua 🇺🇸 632 67 47ms 6 Sep 2024 590th madex 🇩🇪 632 67 36ms 15 Mar 2026 592nd kmathis22 630 155 560ms 14 Dec 2025 593rd RedzGoose 🇦🇺 629 101 402ms 15 Oct 2024 594th BalaM314 628 113 12ms 4 Feb 2025 594th Program-Pi 628 113 10ms 26 Feb 2026 596th kevinnaviapaiva 628 122 10ms 16 Feb 2025 597th SirBogman 🇺🇸 627 59 140ms 23 Jul 2025 598th Shanethegamer 🇺🇸 623 68 43ms 1 Sep 2024 598th emgordon154 623 68 44ms 1 Sep 2024 598th rvs314 623 68 44ms 24 Sep 2024 598th tatzyr 🇯🇵 623 68 45ms 10 Oct 2025 602nd DialFrost 🇸🇬 623 111 1ms 22 Nov 2024 603rd eddvrs 623 123 10ms 29 Sep 2024 604th albanian-laundromat 🇺🇸 622 69 984ms 12 Sep 2025 605th KrausRaus 🇺🇸 622 114 12ms 1 Sep 2024 605th JOrE20 622 114 10ms 21 Feb 2026 607th yokasuretsu 618 124 10ms 10 Jul 2025 607th hamilton-bonds 618 124 10ms 24 Jul 2025 607th robin-scragg 618 124 14ms 18 Oct 2025 610th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 611th Andrey-Plotnikov 617 115 10ms 30 Sep 2025 612th aliakseikalosha 617 144 439ms 5 Sep 2024 613th KatieLG 🇬🇧 614 69 46ms 1 Sep 2024 614th Shanethegamer 🇺🇸 613 102 2,800ms 25 Oct 2024 614th dokutan 613 102 2,893ms 26 Oct 2024 616th Natanaelel 🇸🇪 613 112 14ms 15 May 2025 617th BambooleanLogic 🇸🇪 611 116 10ms 19 Nov 2024 617th acollett89 611 116 10ms 4 Aug 2025 619th msbranicky 610 86 170ms 16 Sep 2024 620th nhausspiegel 608 126 13ms 13 Sep 2024 621st Shanethegamer 🇺🇸 606 107 83ms 1 Sep 2024 622nd Shanethegamer 🇺🇸 606 134 439ms 1 Sep 2024 623rd CaedenHarper 🇨🇦 605 71 1,161ms 27 Sep 2025 624th Arkadios200 605 132 103ms 11 Oct 2025 625th dokutan 604 147 461ms 3 Nov 2024 626th dokutan 603 76 1,640ms 3 Sep 2024 627th matsagad 603 127 10ms 16 Jan 2025 628th emgordon154 602 128 12ms 20 Mar 2026 629th mamamia5x 601 118 11ms 12 Sep 2024 629th scpchicken 🇵🇼 601 118 11ms 2 days ago 631st inventshah 601 150 2ms 1 Sep 2024 632nd BREMAUCY 🇫🇷 601 316 12ms 7 Aug 2025 633rd mousetail 🇳🇱 599 105 5ms 3 Sep 2024 634th xyangst 599 128 11ms 12 Oct 2024 634th 123mjb 599 128 10ms 19 Nov 2025 636th h3ra993huskp 🇯🇵 599 163 475ms 30 Nov 2025 637th MeWhenI 🇻🇦 599 177 40ms 4 Sep 2024 637th Shanethegamer 🇺🇸 599 177 44ms 4 Sep 2024 639th emgordon154 596 104 136ms 14 Nov 2024 640th CaedenHarper 🇨🇦 596 149 445ms 16 Oct 2025 First Prev 561–640 of 845 Next Last