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 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 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 Calendar 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 Multitap Input NFA Simulator 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Calendar 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 Multitap Input NFA Simulator 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 451st MeWhenI 🇻🇦 703 88 128ms 1 Sep 2024 451st error256 703 88 126ms 10 Sep 2024 453rd Mabeloid 🇳🇴 702 109 13ms 1 Sep 2024 453rd MassimoParisi 702 109 13ms 18 Sep 2024 453rd klixel 🇨🇦 702 109 12ms 21 Sep 2024 453rd NotNoper 702 109 11ms 29 Oct 2024 453rd za3k 702 109 14ms 15 Jul 2025 453rd RaBa21 🇭🇺 702 109 13ms 18 Jul 2025 459th emgordon154 701 101 9ms 1 Sep 2024 460th ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 461st CaedenHarper 🇨🇦 701 187 257ms 26 days ago 462nd frosster 697 99 2ms 21 Mar 2025 463rd sean-niemann 🇺🇸 697 114 101ms 7 Sep 2024 464th KatieLG 🇬🇧 696 91 472ms 1 Sep 2024 465th elgan65536 695 172 195ms 23 Sep 2024 466th MostParsingVex 694 154 1,213ms 15 Sep 2024 467th sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 468th stefangimmillaro 691 90 2,112ms 14 Nov 2024 469th aksyristos 689 111 11ms 1 Sep 2024 469th wh3n3v3r 🇨🇿 689 111 13ms 11 Nov 2024 469th AstroOrbis 689 111 11ms 30 Jun 2025 472nd Shanethegamer 🇺🇸 689 206 29ms 4 Sep 2024 473rd JunkIce 688 92 719ms 3 Dec 2024 474th kaascevich 685 116 1,671ms 15 Sep 2025 475th GolfingSuccess 🇬🇷 685 131 2ms 1 Sep 2024 476th emgordon154 682 288 1,618ms 2 Oct 2024 477th olleicua 🇺🇸 681 104 9ms 11 Sep 2024 477th charliegaming 681 104 9ms 28 Nov 2024 479th DialFrost 🇸🇬 681 118 74ms 22 Jun 2025 480th DialFrost 🇸🇬 680 62 33ms 30 Jan 2025 481st MeWhenI 🇻🇦 679 117 108ms 2 Sep 2024 481st stefangimmillaro 679 117 93ms 2 Sep 2024 483rd edsrzf 🇳🇿 678 92 4ms 10 Oct 2024 484th BlankSpruce 676 158 57ms 1 Sep 2024 485th madex 🇩🇪 676 177 208ms 17 Sep 2024 486th dcgjb 674 69 276ms 11 Sep 2024 487th stefangimmillaro 669 63 32ms 2 Sep 2024 487th SirBogman 🇺🇸 669 63 32ms 5 Sep 2024 489th alicethecatwhisperermeow 669 132 365ms 14 Sep 2024 490th madeforlosers 668 106 8ms 23 Oct 2024 491st chunes3 🇺🇸 668 112 62ms 1 Sep 2024 492nd DialFrost 🇸🇬 666 76 14ms 1 Aug 2025 493rd voytxt 🇨🇿 665 93 132ms 17 Apr 2025 494th Maznek 662 107 9ms 8 Oct 2024 494th dokutan 662 107 9ms 5 Jun 2025 496th DialFrost 🇸🇬 661 181 197ms 12 Apr 2025 496th error256 661 181 173ms 22 May 2025 498th dokutan 660 79 164ms 3 Sep 2024 499th GolfingSuccess 🇬🇷 660 162 373ms 1 Sep 2024 499th ovs-code 🇩🇪 660 162 2,217ms 1 Sep 2024 501st LeoCh01 659 116 12ms 1 Sep 2024 502nd NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 503rd msbranicky 656 136 2ms 1 Sep 2024 504th msbranicky 655 95 1,996ms 8 Jan 2025 505th Shanethegamer 🇺🇸 655 135 374ms 1 Sep 2024 506th albanian-laundromat 655 189 42ms 14 Sep 2025 507th lukechampine 655 200 251ms 7 Jun 2025 507th jerrandolph 655 200 260ms 21 Sep 2025 509th Shanethegamer 🇺🇸 651 95 139ms 8 Jan 2025 510th TFeld00 🇩🇰 649 65 32ms 3 Sep 2024 511th ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 512th msbranicky 646 203 255ms 1 Sep 2024 513th error256 645 106 13ms 18 Apr 2025 514th Waffle3z 645 107 2ms 2 Oct 2024 515th snoozingnewt 🇨🇦 644 186 8ms 1 Sep 2024 516th stefangimmillaro 643 71 819ms 3 Sep 2024 517th mrxz 🇳🇱 643 110 9ms 22 Sep 2024 517th weliveinhell 🇭🇹 643 110 9ms 28 Sep 2024 519th Zhenyu-Bo 643 119 15ms 1 Aug 2025 520th BlankSpruce 641 140 2ms 1 Sep 2024 521st anter69 🇭🇺 639 66 32ms 25 Oct 2024 522nd emgordon154 639 113 98ms 35 hours ago 523rd aDwarfNamedUrist 638 138 112ms 4 Sep 2024 524th stefangimmillaro 638 151 342ms 6 Oct 2025 525th SirBogman 🇺🇸 637 73 280ms 23 Jul 2025 First Prev 451–525 of 700 Next Last