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 ><> 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 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 ><> 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 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 81st error256 902 58 231ms 3 Sep 2024 81st JayXon 🇺🇸 902 58 245ms 10 Sep 2024 83rd duckyluuk 🇳🇱 901 85 10ms 25 Dec 2024 84th pardouin 🇫🇷 900 41 135ms 7 Jan 2025 85th MeWhenI 🇻🇦 900 47 33ms 1 Sep 2024 85th GrayJoKing 🇦🇺 900 47 34ms 2 Sep 2024 85th sean-niemann 🇺🇸 900 47 34ms 21 Dec 2024 85th Natanaelel 🇸🇪 900 47 33ms 24 Jan 2025 85th Steffan153 🇫🇮 900 47 37ms 86 mins ago 90th JayXon 🇺🇸 897 69 124ms 31 Oct 2024 91st JayXon 🇺🇸 896 77 2ms 9 Jan 2025 91st GrayJoKing 🇦🇺 896 77 2ms 12 Jul 2025 91st edsrzf 🇳🇿 896 77 2ms 1 Dec 2025 94th JayXon 🇺🇸 896 99 441ms 11 Jul 2025 94th AdrienHache 🇫🇷 896 99 488ms 17 Sep 2025 94th Yax42 🇫🇷 896 99 493ms 8 Oct 2025 97th GrayJoKing 🇦🇺 894 47 5ms 25 Nov 2025 98th nwellnhof 🇩🇪 894 52 290ms 1 Sep 2024 99th emplv 🇱🇻 894 70 5ms 17 Sep 2024 100th sean-niemann 🇺🇸 892 71 380ms 26 days ago 101st nwellnhof 🇩🇪 892 109 485ms 25 Sep 2025 101st JayXon 🇺🇸 892 109 488ms 25 Sep 2025 103rd pardouin 🇫🇷 891 99 118ms 1 Sep 2024 103rd Natanaelel 🇸🇪 891 99 116ms 1 Sep 2024 103rd ovs-code 🇩🇪 891 99 120ms 1 Sep 2024 103rd sean-niemann 🇺🇸 891 99 119ms 4 Sep 2024 103rd JayXon 🇺🇸 891 99 117ms 6 Sep 2024 103rd lynn 891 99 119ms 8 Jan 2025 103rd xnor-gate 891 99 119ms 4 Mar 2025 103rd Sakisan 🇧🇪 891 99 115ms 22 Apr 2025 103rd tobeannouncd 891 99 133ms 25 Apr 2025 103rd HPWiz 🇳🇿 891 99 117ms 27 Sep 2025 103rd edsrzf 🇳🇿 891 99 128ms 20 Dec 2025 114th HPWiz 🇳🇿 890 46 1,228ms 26 Dec 2025 115th btnlq 890 55 6ms 1 Sep 2024 115th ovs-code 🇩🇪 890 55 15ms 20 Oct 2024 115th sean-niemann 🇺🇸 890 55 7ms 29 Dec 2024 115th Steffan153 🇫🇮 890 55 6ms 85 mins ago 119th SB-945 890 86 11ms 1 Sep 2024 119th SirBogman 🇺🇸 890 86 11ms 2 Sep 2024 119th stefangimmillaro 890 86 10ms 2 Sep 2024 119th m-tkach 🇺🇦 890 86 10ms 2 Sep 2024 119th lynn 890 86 11ms 4 Sep 2024 119th emgordon154 890 86 10ms 22 Nov 2024 119th kops-cg 890 86 10ms 11 Feb 2025 119th bzijlema 🇳🇱 890 86 10ms 14 May 2025 119th 5cw 🇺🇸 890 86 10ms 4 Aug 2025 119th ovs-code 🇩🇪 890 86 10ms 30 Nov 2025 119th hallvabo 🇳🇴 890 86 10ms 1 Dec 2025 119th Mukundan314 890 86 14ms 2 Dec 2025 131st JayXon 🇺🇸 890 101 2ms 18 Sep 2024 132nd emgordon154 889 70 2,398ms 8 Nov 2024 133rd nwellnhof 🇩🇪 887 100 477ms 22 Jul 2025 134th pardouin 🇫🇷 886 59 290ms 2 Sep 2024 134th HPWiz 🇳🇿 886 59 282ms 6 Dec 2025 136th Natanaelel 🇸🇪 885 80 9ms 1 Sep 2024 136th MeWhenI 🇻🇦 885 80 9ms 1 Sep 2024 136th helbling 🇨🇭 885 80 9ms 11 Jul 2025 139th edsrzf 🇳🇿 883 110 379ms 10 days ago 140th ovs-code 🇩🇪 880 25 43ms 1 Sep 2024 141st radarek 🇵🇱 880 52 1,376ms 10 Sep 2024 141st edsrzf 🇳🇿 880 52 1,291ms 10 days ago 143rd GolfingSuccess 🇬🇷 880 87 10ms 1 Sep 2024 143rd kg583 🇺🇸 880 87 10ms 1 Sep 2024 143rd alemelis 880 87 10ms 1 Sep 2024 143rd Shanethegamer 🇺🇸 880 87 10ms 1 Sep 2024 143rd zbreit 🇺🇸 880 87 10ms 1 Sep 2024 143rd cros107 🇦🇺 880 87 10ms 2 Sep 2024 143rd inventshah 880 87 11ms 2 Sep 2024 143rd annaproxy 880 87 10ms 3 Sep 2024 143rd starfihs 880 87 10ms 6 Sep 2024 143rd BoBz200 880 87 10ms 20 Sep 2024 143rd ehulinsky 🇺🇸 880 87 10ms 3 Apr 2025 143rd chartung17 880 87 10ms 7 Apr 2025 143rd 40fied4t 880 87 11ms 6 May 2025 143rd ryyyn 🇺🇸 880 87 10ms 10 Jun 2025 143rd commandz0 🇺🇸 880 87 10ms 11 Jul 2025 143rd hiichbindermax 880 87 10ms 19 Aug 2025 143rd Babafaba 880 87 11ms 22 Oct 2025 143rd blaztoma 🇱🇹 880 87 10ms 11 Jan 2026 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