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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 481st DialFrost 🇸🇬 702 61 973ms 31 Aug 2025 481st Steffan153 🇫🇮 702 61 712ms 5 days ago 483rd Mabeloid 🇳🇴 702 109 10ms 1 Sep 2024 483rd MassimoParisi 702 109 10ms 18 Sep 2024 483rd klixel 🇨🇦 702 109 9ms 21 Sep 2024 483rd NotNoper 702 109 10ms 29 Oct 2024 483rd za3k 702 109 10ms 15 Jul 2025 483rd RaBa21 🇭🇺 702 109 9ms 18 Jul 2025 483rd zgialor-lab 702 109 10ms 17 Dec 2025 490th ovs-code 🇩🇪 702 128 2ms 1 Sep 2024 491st emgordon154 701 101 10ms 1 Sep 2024 492nd CaedenHarper 🇨🇦 701 187 295ms 8 Nov 2025 493rd KatieLG 🇬🇧 697 91 464ms 1 Sep 2024 494th frosster 🇨🇦 697 99 2ms 21 Mar 2025 495th sean-niemann 🇺🇸 697 114 107ms 7 Sep 2024 496th elgan65536 🇺🇸 697 172 198ms 23 Sep 2024 497th Andrey2001 696 110 10ms 22 days ago 498th MeWhenI 🇻🇦 694 59 1,026ms 13 Jun 2025 499th MostParsingVex 694 154 1,484ms 15 Sep 2024 500th sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 501st stefangimmillaro 691 90 2,365ms 14 Nov 2024 502nd aksyristos 690 111 10ms 1 Sep 2024 502nd wh3n3v3r 🇨🇿 690 111 9ms 11 Nov 2024 502nd AstroOrbis 690 111 10ms 30 Jun 2025 505th emgordon154 690 288 1,906ms 2 Oct 2024 506th JunkIce 689 92 490ms 3 Dec 2024 507th GolfingSuccess 🇬🇷 686 131 2ms 1 Sep 2024 508th kaascevich 685 116 1,645ms 15 Sep 2025 509th DialFrost 🇸🇬 682 62 37ms 30 Jan 2025 510th olleicua 🇺🇸 681 104 11ms 11 Sep 2024 510th charliegaming 681 104 10ms 28 Nov 2024 512th DialFrost 🇸🇬 681 118 93ms 22 Jun 2025 513th error256 680 63 930ms 20 Dec 2025 514th MeWhenI 🇻🇦 679 117 113ms 2 Sep 2024 514th stefangimmillaro 679 117 100ms 2 Sep 2024 516th madex 🇩🇪 678 177 219ms 17 Sep 2024 517th BlankSpruce 676 158 56ms 1 Sep 2024 518th dcgjb 674 69 305ms 11 Sep 2024 519th alicethecatwhisperermeow 672 132 447ms 14 Sep 2024 520th stefangimmillaro 671 63 34ms 2 Sep 2024 520th SirBogman 🇺🇸 671 63 37ms 5 Sep 2024 522nd madeforlosers 668 106 10ms 23 Oct 2024 523rd chunes3 🇺🇸 668 112 64ms 1 Sep 2024 524th prestosilver 🇺🇸 668 121 432ms 18 days ago 525th voytxt 🇨🇿 665 93 129ms 17 Apr 2025 526th DialFrost 🇸🇬 663 181 201ms 12 Apr 2025 527th dokutan 662 79 182ms 3 Sep 2024 528th Maznek 662 107 10ms 8 Oct 2024 528th dokutan 662 107 11ms 5 Jun 2025 530th LeoCh01 660 116 11ms 1 Sep 2024 531st GolfingSuccess 🇬🇷 660 162 403ms 1 Sep 2024 531st ovs-code 🇩🇪 660 162 2,413ms 1 Sep 2024 533rd NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 534th Shanethegamer 🇺🇸 657 135 435ms 1 Sep 2024 535th msbranicky 656 136 3ms 1 Sep 2024 536th msbranicky 655 95 2,221ms 8 Jan 2025 537th albanian-laundromat 655 189 44ms 14 Sep 2025 538th lukechampine 655 200 286ms 7 Jun 2025 538th jerrandolph 655 200 287ms 21 Sep 2025 540th TFeld00 🇩🇰 651 65 35ms 3 Sep 2024 541st Shanethegamer 🇺🇸 651 95 147ms 8 Jan 2025 542nd ShiraJoseph 🇺🇸 650 109 10ms 22 Sep 2024 543rd Shanethegamer 🇺🇸 647 206 32ms 4 Sep 2024 544th AlephSquirrel 647 248 3ms 29 Sep 2024 545th msbranicky 646 203 294ms 1 Sep 2024 546th stefangimmillaro 645 71 1,320ms 3 Sep 2024 547th Waffle3z 645 107 2ms 2 Oct 2024 548th mrxz 🇳🇱 644 110 10ms 22 Sep 2024 548th weliveinhell 🇭🇹 644 110 9ms 28 Sep 2024 550th stefangimmillaro 644 151 494ms 6 Oct 2025 551st Zhenyu-Bo 643 119 9ms 1 Aug 2025 552nd BlankSpruce 642 140 2ms 1 Sep 2024 553rd anter69 🇭🇺 641 66 33ms 25 Oct 2024 554th aDwarfNamedUrist 640 138 119ms 4 Sep 2024 555th emgordon154 639 113 104ms 4 Dec 2025 556th lhulinsky 638 120 10ms 23 Oct 2024 556th arjunarya1 638 120 10ms 11 Sep 2025 558th stefangimmillaro 638 188 203ms 4 Jun 2025 559th SirBogman 🇺🇸 637 73 311ms 23 Jul 2025 560th Shanethegamer 🇺🇸 636 72 1,301ms 1 Sep 2024 First Prev 481–560 of 750 Next Last