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 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 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 225th JayXon 🇺🇸 846 95 99ms 24 May 2025 227th CLOStrophobic 🇮🇹 846 108 6ms 19 Feb 2025 228th edsrzf 🇳🇿 844 99 4ms 9 Jan 2025 229th sean-niemann 🇺🇸 843 74 4ms 19 Dec 2024 230th edsrzf 🇳🇿 843 125 38ms 31 Dec 2024 230th kg583 🇺🇸 843 125 41ms 25 Mar 2025 232nd GrayJoKing 🇦🇺 842 84 8ms 2 Sep 2024 232nd uttumuttu 🇫🇮 842 84 8ms 30 Sep 2024 232nd didion0 🇺🇸 842 84 8ms 30 May 2025 235th SirBogman 🇺🇸 841 36 33ms 11 Sep 2024 236th Kacarott 🇦🇺 841 89 62ms 1 Sep 2024 237th BlankSpruce 840 91 9ms 1 Sep 2024 237th KatieLG 🇬🇧 840 91 9ms 1 Sep 2024 237th ZakkkkAttackkkk 🇵🇭 840 91 9ms 1 Sep 2024 237th BREMAUCY 🇫🇷 840 91 9ms 3 Sep 2024 237th charliegaming 840 91 9ms 7 Sep 2024 237th mbittner20 840 91 9ms 9 Sep 2024 237th neihousaigaai 840 91 9ms 28 Sep 2024 237th Rubiksmath 840 91 9ms 1 Oct 2024 237th lifthrasiir 🇰🇷 840 91 9ms 20 Nov 2024 237th jameswmccarty 840 91 9ms 2 Dec 2024 237th croc54 840 91 9ms 12 Jan 2025 237th Pyroan 840 91 9ms 24 Feb 2025 237th plcc0 840 91 9ms 6 Mar 2025 237th WillowWispy 840 91 9ms 21 Mar 2025 237th keelimeguy 🇺🇸 840 91 9ms 17 May 2025 237th albanian-laundromat 840 91 10ms 5 Jun 2025 237th clayboll99 840 91 10ms 15 Jul 2025 237th blaztoma 🇱🇹 840 91 9ms 21 Sep 2025 237th vhoulbreque 🇫🇷 840 91 9ms 9 days ago 237th FortuiteMan 🇫🇷 840 91 10ms 22 hours ago 237th LostSyntax21 🇬🇧 840 91 9ms 18 hours ago 258th AlephSquirrel 839 109 6ms 18 Feb 2025 259th Shanethegamer 🇺🇸 838 96 98ms 24 May 2025 260th sean-niemann 🇺🇸 836 74 132ms 4 Aug 2025 261st Shanethegamer 🇺🇸 836 202 1,405ms 1 Mar 2025 262nd xnor-gate 834 82 18ms 5 Mar 2025 263rd nwellnhof 🇩🇪 833 48 3ms 1 Sep 2024 264th MeWhenI 🇻🇦 832 75 4ms 3 Sep 2024 265th JayXon 🇺🇸 832 77 74ms 18 Jun 2025 266th dokutan 831 92 9ms 3 Sep 2024 266th fourth-bit 831 92 9ms 4 Sep 2024 266th bnic24 831 92 9ms 5 Sep 2024 269th nwellnhof 🇩🇪 831 108 2ms 10 Sep 2024 270th JayXon 🇺🇸 831 111 379ms 20 Sep 2024 271st MeWhenI 🇻🇦 830 45 3ms 1 Sep 2024 272nd MeWhenI 🇻🇦 830 55 875ms 1 Sep 2024 272nd Natanaelel 🇸🇪 830 55 858ms 1 Sep 2024 274th Shanethegamer 🇺🇸 830 145 1,241ms 4 Sep 2024 274th m-tkach 🇺🇦 830 145 62ms 27 Sep 2024 276th MeWhenI 🇻🇦 829 75 0ms 24 Oct 2024 276th duckyluuk 🇳🇱 829 75 2,159ms 25 Oct 2024 278th error256 825 146 1,246ms 2 May 2025 279th emplv 🇱🇻 824 159 249ms 18 Sep 2024 280th duckyluuk 🇳🇱 823 86 8ms 1 Sep 2024 281st sean-niemann 🇺🇸 823 112 385ms 4 Sep 2024 282nd emgordon154 822 59 8ms 15 Nov 2024 283rd emgordon154 822 77 370ms 22 Nov 2024 284th adamnielson42 🇺🇸 822 93 9ms 7 Oct 2024 284th guilhem-roy 🇫🇷 822 93 9ms 31 May 2025 286th xsot 🇸🇬 821 76 4ms 3 Sep 2024 287th MeWhenI 🇻🇦 821 98 332ms 2 Sep 2024 288th vhoulbreque 🇫🇷 821 146 168ms 19 days ago 289th rak1507 🇬🇧 819 31 2ms 11 Sep 2024 290th sean-niemann 🇺🇸 819 151 41ms 16 Jan 2025 291st kg583 🇺🇸 816 112 8ms 9 May 2025 292nd canissimia 🇦🇶 816 116 12ms 4 Sep 2024 293rd rucin93 🇵🇱 814 76 129ms 31 Oct 2024 294th GrayJoKing 🇦🇺 814 84 16ms 1 Sep 2024 294th annaproxy 814 84 25ms 22 Oct 2024 296th mousetail 🇳🇱 813 94 11ms 1 Sep 2024 296th ljweel 813 94 9ms 12 Sep 2024 296th qpwoeirut 813 94 11ms 7 Feb 2025 299th alemelis 812 78 353ms 1 Sep 2024 299th Shanethegamer 🇺🇸 812 78 360ms 1 Sep 2024 First Prev 226–300 of 691 Next Last