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 300th Shanethegamer 🇺🇸 812 78 360ms 1 Sep 2024 300th SirBogman 🇺🇸 812 78 389ms 4 Sep 2024 300th error256 812 78 414ms 4 Sep 2024 300th sean-niemann 🇺🇸 812 78 389ms 8 Jan 2025 300th commandblockguy 🇺🇸 812 78 394ms 1 Sep 2025 300th Babafaba 812 78 395ms 22 Oct 2025 307th edsrzf 🇳🇿 812 85 2ms 6 hours ago 308th ovs-code 🇩🇪 811 52 32ms 1 Sep 2024 309th error256 811 99 97ms 4 Sep 2024 310th tomtheisen 🇺🇸 811 109 363ms 8 Nov 2024 311th error256 810 77 4ms 1 Sep 2024 312th MostParsingVex 809 153 43ms 3 Oct 2024 313th primo-ppcg 🇹🇭 809 232 140ms 31 mins ago 314th JayXon 🇺🇸 808 243 1,610ms 10 Jul 2025 315th SirBogman 🇺🇸 806 155 43ms 3 Sep 2024 316th error256 805 93 63ms 2 Sep 2024 317th msbranicky 805 95 9ms 1 Sep 2024 317th Bulmenisaurus 805 95 11ms 4 Sep 2024 317th btjones0 805 95 9ms 13 Sep 2024 317th jfallon1997 805 95 9ms 26 Sep 2024 317th jacekwladzinski 805 95 9ms 7 Oct 2025 317th aalec 805 95 10ms 23 days ago 323rd GolfingSuccess 🇬🇷 805 210 393ms 8 Feb 2025 324th RyanMHsiao 804 244 1,566ms 25 Sep 2024 325th error256 803 150 26ms 5 May 2025 326th m-tkach 🇺🇦 803 170 382ms 15 Jan 2025 327th CornerMercury 🇬🇧 802 79 530ms 15 hours ago 328th ovs-code 🇩🇪 802 175 9ms 30 Sep 2024 329th m-tkach 🇺🇦 802 177 26ms 27 Sep 2024 330th emgordon154 801 211 391ms 24 Jan 2025 331st MeWhenI 🇻🇦 799 50 3ms 1 Sep 2024 331st retrohun 799 50 4ms 9 Mar 2025 333rd nwellnhof 🇩🇪 797 134 366ms 2 Sep 2024 333rd tailorspy 797 134 451ms 16 Sep 2024 335th fgrosshans 🇫🇷 796 96 9ms 1 Sep 2024 335th Mikey-Beep 🇬🇧 796 96 9ms 2 Sep 2024 335th JudeTyrrell 796 96 9ms 22 Sep 2024 338th Shanethegamer 🇺🇸 796 105 4ms 1 Sep 2024 338th kg583 🇺🇸 796 105 4ms 28 Sep 2025 340th namelessiw 796 111 377ms 22 Apr 2025 341st MeWhenI 🇻🇦 795 101 98ms 3 Sep 2024 342nd lifthrasiir 🇰🇷 793 32 2ms 29 Nov 2024 343rd MeWhenI 🇻🇦 792 80 411ms 1 Sep 2024 343rd GrayJoKing 🇦🇺 792 80 383ms 2 Sep 2024 345th stefangimmillaro 789 166 248ms 4 Sep 2024 346th o0BlackDragon0o 788 97 11ms 8 Sep 2024 346th Bombalech 788 97 10ms 8 Sep 2024 346th scpchicken 🇵🇼 788 97 232ms 8 Sep 2024 346th Carlettos1 788 97 11ms 14 Sep 2024 350th MeWhenI 🇻🇦 785 157 13ms 7 Sep 2024 351st emplv 🇱🇻 783 79 135ms 1 Nov 2024 352nd mousetail 🇳🇱 782 62 60ms 3 Sep 2024 353rd sean-niemann 🇺🇸 782 113 388ms 5 Sep 2024 354th albanian-laundromat 782 114 2ms 4 days ago 355th rzv-me 780 80 4ms 5 Oct 2024 356th HumanoidCPU 780 98 9ms 2 Sep 2024 356th dtbao20 🇻🇳 780 98 16ms 30 Sep 2024 356th YAJUE114514 780 98 9ms 30 Jul 2025 356th luuumine 🇫🇷 780 98 9ms 15 Oct 2025 360th KingSkyrock 🇺🇸 778 91 8ms 14 Oct 2024 361st MeWhenI 🇻🇦 777 39 33ms 2 Sep 2024 362nd CatsAreFluffy 775 64 52ms 4 Nov 2024 363rd stefangimmillaro 775 114 352ms 4 Sep 2024 364th dokutan 773 104 124ms 1 Sep 2024 365th dokutan 773 155 219ms 1 Sep 2024 366th albanian-laundromat 772 69 691ms 12 Sep 2025 367th snoozingnewt 🇺🇸 772 82 411ms 8 days ago 368th jatloe 772 99 10ms 4 Sep 2024 368th alexeldridge 772 99 9ms 14 Sep 2024 368th Just4FunCoder 772 99 9ms 14 Sep 2025 368th 0xjac 🇨🇭 772 99 10ms 7 days ago 372nd the-zammers 772 114 116ms 1 Dec 2024 373rd AlephSquirrel 772 248 3ms 29 Sep 2024 374th error256 769 139 419ms 24 Sep 2024 375th emgordon154 767 156 352ms 4 Mar 2025 First Prev 301–375 of 694 Next Last