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 226th JayXon 🇺🇸 851 87 2ms 20 Sep 2024 227th firegene 🇮🇪 850 90 13ms 3 Sep 2024 227th snoozingnewt 🇨🇦 850 90 13ms 13 days ago 229th JayXon 🇺🇸 849 105 2ms 18 days ago 230th error256 846 94 101ms 1 Sep 2024 231st ovs-code 🇩🇪 846 95 77ms 1 Sep 2024 231st JayXon 🇺🇸 846 95 99ms 24 May 2025 233rd CLOStrophobic 🇮🇹 846 108 6ms 19 Feb 2025 234th edsrzf 🇳🇿 844 99 4ms 9 Jan 2025 235th sean-niemann 🇺🇸 843 74 4ms 19 Dec 2024 236th GrayJoKing 🇦🇺 843 84 9ms 2 Sep 2024 236th uttumuttu 🇫🇮 843 84 9ms 30 Sep 2024 236th didion0 🇺🇸 843 84 9ms 30 May 2025 239th edsrzf 🇳🇿 843 125 38ms 31 Dec 2024 239th kg583 🇺🇸 843 125 41ms 25 Mar 2025 241st SirBogman 🇺🇸 841 36 33ms 11 Sep 2024 242nd Kacarott 🇦🇺 841 89 62ms 1 Sep 2024 243rd BlankSpruce 840 91 14ms 1 Sep 2024 243rd KatieLG 🇬🇧 840 91 14ms 1 Sep 2024 243rd ZakkkkAttackkkk 🇵🇭 840 91 13ms 1 Sep 2024 243rd BREMAUCY 🇫🇷 840 91 13ms 3 Sep 2024 243rd charliegaming 840 91 14ms 7 Sep 2024 243rd mbittner20 840 91 15ms 9 Sep 2024 243rd neihousaigaai 840 91 13ms 28 Sep 2024 243rd Rubiksmath 840 91 12ms 1 Oct 2024 243rd lifthrasiir 🇰🇷 840 91 13ms 20 Nov 2024 243rd jameswmccarty 840 91 12ms 2 Dec 2024 243rd croc54 840 91 13ms 12 Jan 2025 243rd Pyroan 840 91 13ms 24 Feb 2025 243rd plcc0 840 91 13ms 6 Mar 2025 243rd WillowWispy 840 91 13ms 21 Mar 2025 243rd keelimeguy 🇺🇸 840 91 14ms 17 May 2025 243rd albanian-laundromat 840 91 13ms 5 Jun 2025 243rd clayboll99 840 91 14ms 15 Jul 2025 243rd blaztoma 🇱🇹 840 91 15ms 21 Sep 2025 243rd vhoulbreque 🇫🇷 840 91 13ms 15 days ago 243rd FortuiteMan 🇫🇷 840 91 13ms 5 days ago 243rd LostSyntax21 🇬🇧 840 91 13ms 5 days ago 243rd CaedenHarper 🇨🇦 840 91 48ms 4 days ago 265th AlephSquirrel 839 109 6ms 18 Feb 2025 266th Shanethegamer 🇺🇸 838 96 98ms 24 May 2025 267th sean-niemann 🇺🇸 836 74 132ms 4 Aug 2025 268th Shanethegamer 🇺🇸 836 202 1,405ms 1 Mar 2025 269th xnor-gate 834 82 14ms 5 Mar 2025 270th nwellnhof 🇩🇪 833 48 4ms 1 Sep 2024 271st MeWhenI 🇻🇦 832 75 4ms 3 Sep 2024 272nd JayXon 🇺🇸 832 77 74ms 18 Jun 2025 273rd dokutan 831 92 12ms 3 Sep 2024 273rd fourth-bit 831 92 14ms 4 Sep 2024 273rd bnic24 831 92 15ms 5 Sep 2024 276th nwellnhof 🇩🇪 831 108 2ms 10 Sep 2024 277th JayXon 🇺🇸 831 111 379ms 20 Sep 2024 278th MeWhenI 🇻🇦 830 45 3ms 1 Sep 2024 279th MeWhenI 🇻🇦 830 55 875ms 1 Sep 2024 279th Natanaelel 🇸🇪 830 55 858ms 1 Sep 2024 281st Shanethegamer 🇺🇸 830 145 1,241ms 4 Sep 2024 281st m-tkach 🇺🇦 830 145 62ms 27 Sep 2024 283rd MeWhenI 🇻🇦 829 75 0ms 24 Oct 2024 283rd duckyluuk 🇳🇱 829 75 2,159ms 25 Oct 2024 285th emgordon154 825 59 8ms 15 Nov 2024 286th error256 825 146 1,246ms 2 May 2025 287th emplv 🇱🇻 824 159 260ms 18 Sep 2024 288th duckyluuk 🇳🇱 823 86 9ms 1 Sep 2024 289th sean-niemann 🇺🇸 823 112 385ms 4 Sep 2024 290th emgordon154 822 77 408ms 22 Nov 2024 291st adamnielson42 🇺🇸 822 93 13ms 7 Oct 2024 291st guilhem-roy 🇫🇷 822 93 15ms 31 May 2025 293rd xsot 🇸🇬 821 76 4ms 3 Sep 2024 294th MeWhenI 🇻🇦 821 98 332ms 2 Sep 2024 295th vhoulbreque 🇫🇷 821 146 168ms 24 days ago 296th rak1507 🇬🇧 819 31 2ms 11 Sep 2024 297th sean-niemann 🇺🇸 819 151 41ms 16 Jan 2025 298th kg583 🇺🇸 816 112 8ms 9 May 2025 299th canissimia 🇦🇶 816 116 12ms 4 Sep 2024 300th m-tkach 🇺🇦 816 170 669ms 15 Jan 2025 First Prev 226–300 of 702 Next Last