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 TFeld00 🇩🇰 651 65 39ms 3 Sep 2024 562nd ShiraJoseph 🇺🇸 651 109 11ms 22 Sep 2024 563rd albanian-laundromat 🇺🇸 650 189 44ms 14 Sep 2025 564th msbranicky 650 203 333ms 1 Sep 2024 565th stefangimmillaro 647 151 528ms 6 Oct 2025 566th stefangimmillaro 646 71 1,623ms 3 Sep 2024 567th Waffle3z 646 107 2ms 2 Oct 2024 568th Chinay-Domitrix 🇺🇸 645 97 2,369ms 14 Mar 2026 569th mrxz 🇳🇱 645 110 11ms 22 Sep 2024 569th weliveinhell 🇭🇹 645 110 10ms 28 Sep 2024 571st Zhenyu-Bo 644 119 10ms 1 Aug 2025 571st tomh1012 644 119 10ms 2 Mar 2026 573rd BlankSpruce 644 140 2ms 1 Sep 2024 574th anter69 🇭🇺 642 66 40ms 25 Oct 2024 575th aDwarfNamedUrist 642 138 118ms 4 Sep 2024 576th stefangimmillaro 641 188 209ms 4 Jun 2025 577th SirBogman 🇺🇸 640 73 288ms 23 Jul 2025 578th Ripick 639 127 433ms 6 Sep 2024 579th lhulinsky 638 120 13ms 23 Oct 2024 579th arjunarya1 638 120 10ms 11 Sep 2025 581st Shanethegamer 🇺🇸 637 72 1,553ms 1 Sep 2024 581st anter69 🇭🇺 637 72 1,643ms 25 Oct 2024 583rd weeble 637 77 7ms 21 Dec 2025 584th dokutan 637 120 5ms 1 Sep 2024 584th Shanethegamer 🇺🇸 637 120 6ms 2 Sep 2024 586th cthierfelder 🇲🇨 634 193 75ms 5 Sep 2025 587th KatieLG 🇬🇧 633 112 11ms 1 Sep 2024 587th CaedenHarper 🇨🇦 633 112 10ms 22 Aug 2025 589th olleicua 🇺🇸 632 67 47ms 6 Sep 2024 589th madex 🇩🇪 632 67 36ms 15 Mar 2026 591st kmathis22 630 155 560ms 14 Dec 2025 592nd RedzGoose 🇦🇺 629 101 402ms 15 Oct 2024 593rd BalaM314 628 113 12ms 4 Feb 2025 593rd Program-Pi 628 113 10ms 26 Feb 2026 595th kevinnaviapaiva 628 122 10ms 16 Feb 2025 596th SirBogman 🇺🇸 627 59 140ms 23 Jul 2025 597th Shanethegamer 🇺🇸 623 68 43ms 1 Sep 2024 597th emgordon154 623 68 44ms 1 Sep 2024 597th rvs314 623 68 44ms 24 Sep 2024 597th tatzyr 🇯🇵 623 68 45ms 10 Oct 2025 601st DialFrost 🇸🇬 623 111 1ms 22 Nov 2024 602nd eddvrs 623 123 10ms 29 Sep 2024 603rd albanian-laundromat 🇺🇸 622 69 984ms 12 Sep 2025 604th KrausRaus 🇺🇸 622 114 12ms 1 Sep 2024 604th JOrE20 622 114 10ms 21 Feb 2026 606th yokasuretsu 618 124 10ms 10 Jul 2025 606th hamilton-bonds 618 124 10ms 24 Jul 2025 606th robin-scragg 618 124 14ms 18 Oct 2025 609th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 610th Andrey-Plotnikov 617 115 10ms 30 Sep 2025 611th aliakseikalosha 617 144 439ms 5 Sep 2024 612th KatieLG 🇬🇧 614 69 46ms 1 Sep 2024 613th Shanethegamer 🇺🇸 613 102 2,800ms 25 Oct 2024 613th dokutan 613 102 2,893ms 26 Oct 2024 615th Natanaelel 🇸🇪 613 112 14ms 15 May 2025 616th BambooleanLogic 🇸🇪 611 116 10ms 19 Nov 2024 616th acollett89 611 116 10ms 4 Aug 2025 618th msbranicky 610 86 170ms 16 Sep 2024 619th nhausspiegel 608 126 13ms 13 Sep 2024 620th Shanethegamer 🇺🇸 606 107 83ms 1 Sep 2024 621st Shanethegamer 🇺🇸 606 134 439ms 1 Sep 2024 622nd CaedenHarper 🇨🇦 605 71 1,161ms 27 Sep 2025 623rd Arkadios200 605 132 103ms 11 Oct 2025 624th dokutan 604 147 461ms 3 Nov 2024 625th dokutan 603 76 1,640ms 3 Sep 2024 626th matsagad 603 127 10ms 16 Jan 2025 627th emgordon154 602 128 12ms 20 Mar 2026 628th mamamia5x 601 118 11ms 12 Sep 2024 628th scpchicken 🇵🇼 601 118 11ms 2 days ago 630th inventshah 601 150 2ms 1 Sep 2024 631st BREMAUCY 🇫🇷 601 316 12ms 7 Aug 2025 632nd mousetail 🇳🇱 599 105 5ms 3 Sep 2024 633rd xyangst 599 128 11ms 12 Oct 2024 633rd 123mjb 599 128 10ms 19 Nov 2025 635th h3ra993huskp 🇯🇵 599 163 475ms 30 Nov 2025 636th MeWhenI 🇻🇦 599 177 40ms 4 Sep 2024 636th Shanethegamer 🇺🇸 599 177 44ms 4 Sep 2024 638th emgordon154 596 104 136ms 14 Nov 2024 639th CaedenHarper 🇨🇦 596 149 445ms 16 Oct 2025 640th KatieLG 🇬🇧 595 77 1,602ms 1 Sep 2024 First Prev 561–640 of 844 Next Last