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 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 Tower of Hanoi 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 226th edsrzf 🇳🇿 844 99 4ms 9 Jan 2025 227th sean-niemann 🇺🇸 843 74 5ms 19 Dec 2024 228th edsrzf 🇳🇿 843 125 38ms 31 Dec 2024 228th kg583 🇺🇸 843 125 42ms 25 Mar 2025 230th GrayJoKing 🇦🇺 842 84 9ms 2 Sep 2024 230th uttumuttu 🇫🇮 842 84 9ms 30 Sep 2024 230th didion0 🇺🇸 842 84 9ms 30 May 2025 233rd SirBogman 🇺🇸 841 36 35ms 11 Sep 2024 234th Kacarott 🇦🇺 841 89 70ms 1 Sep 2024 235th BlankSpruce 840 91 9ms 1 Sep 2024 235th KatieLG 🇬🇧 840 91 9ms 1 Sep 2024 235th ZakkkkAttackkkk 🇵🇭 840 91 10ms 1 Sep 2024 235th BREMAUCY 🇫🇷 840 91 9ms 3 Sep 2024 235th charliegaming 840 91 10ms 7 Sep 2024 235th mbittner20 840 91 9ms 9 Sep 2024 235th neihousaigaai 840 91 11ms 28 Sep 2024 235th Rubiksmath 840 91 10ms 1 Oct 2024 235th lifthrasiir 🇰🇷 840 91 10ms 20 Nov 2024 235th jameswmccarty 840 91 9ms 2 Dec 2024 235th croc54 840 91 9ms 12 Jan 2025 235th Pyroan 840 91 10ms 24 Feb 2025 235th plcc0 840 91 9ms 6 Mar 2025 235th WillowWispy 840 91 10ms 21 Mar 2025 235th keelimeguy 🇺🇸 840 91 9ms 17 May 2025 235th albanian-laundromat 840 91 10ms 5 Jun 2025 235th KasperKivimaeki 🇫🇮 840 91 9ms 3 Jul 2025 235th clayboll99 840 91 10ms 15 Jul 2025 235th CaedenHarper 🇨🇦 840 91 26ms 9 Aug 2025 235th blaztoma 🇱🇹 840 91 10ms 21 Sep 2025 235th vhoulbreque 🇫🇷 840 91 9ms 6 days ago 256th AlephSquirrel 839 109 8ms 18 Feb 2025 257th Shanethegamer 🇺🇸 838 96 126ms 24 May 2025 258th sean-niemann 🇺🇸 836 74 132ms 4 Aug 2025 259th Shanethegamer 🇺🇸 836 202 1,572ms 1 Mar 2025 260th xnor-gate 834 82 19ms 5 Mar 2025 261st nwellnhof 🇩🇪 833 48 4ms 1 Sep 2024 262nd MeWhenI 🇻🇦 832 75 4ms 3 Sep 2024 263rd JayXon 🇺🇸 832 77 82ms 18 Jun 2025 264th dokutan 831 92 9ms 3 Sep 2024 264th fourth-bit 831 92 9ms 4 Sep 2024 264th bnic24 831 92 10ms 5 Sep 2024 267th nwellnhof 🇩🇪 831 108 2ms 10 Sep 2024 268th JayXon 🇺🇸 831 111 413ms 20 Sep 2024 269th MeWhenI 🇻🇦 830 45 4ms 1 Sep 2024 270th MeWhenI 🇻🇦 830 55 1,041ms 1 Sep 2024 270th Natanaelel 🇸🇪 830 55 991ms 1 Sep 2024 272nd Shanethegamer 🇺🇸 830 145 1,326ms 4 Sep 2024 272nd m-tkach 🇺🇦 830 145 67ms 27 Sep 2024 274th MeWhenI 🇻🇦 829 75 2,130ms 24 Oct 2024 274th duckyluuk 🇳🇱 829 75 2,159ms 25 Oct 2024 276th emgordon154 825 59 11ms 15 Nov 2024 277th error256 825 146 1,362ms 2 May 2025 278th emplv 🇱🇻 824 159 263ms 18 Sep 2024 279th duckyluuk 🇳🇱 823 86 8ms 1 Sep 2024 280th sean-niemann 🇺🇸 823 112 444ms 4 Sep 2024 281st adamnielson42 🇺🇸 822 93 9ms 7 Oct 2024 281st guilhem-roy 🇫🇷 822 93 10ms 31 May 2025 283rd xsot 🇸🇬 821 76 4ms 3 Sep 2024 284th emgordon154 821 77 474ms 22 Nov 2024 285th MeWhenI 🇻🇦 821 98 332ms 2 Sep 2024 286th rak1507 🇬🇧 819 31 2ms 11 Sep 2024 287th sean-niemann 🇺🇸 819 151 42ms 16 Jan 2025 288th kg583 🇺🇸 816 112 8ms 9 May 2025 289th canissimia 🇦🇶 816 116 13ms 4 Sep 2024 290th m-tkach 🇺🇦 816 170 381ms 15 Jan 2025 291st rucin93 🇵🇱 814 76 129ms 31 Oct 2024 292nd GrayJoKing 🇦🇺 814 84 18ms 1 Sep 2024 292nd annaproxy 814 84 29ms 22 Oct 2024 294th mousetail 🇳🇱 813 94 11ms 1 Sep 2024 294th ljweel 813 94 9ms 12 Sep 2024 294th jtaxen 813 94 10ms 26 Sep 2024 294th qpwoeirut 813 94 11ms 7 Feb 2025 298th ovs-code 🇩🇪 811 52 35ms 1 Sep 2024 299th error256 811 99 102ms 4 Sep 2024 300th tomtheisen 🇺🇸 811 109 363ms 8 Nov 2024 First Prev 226–300 of 697 Next Last