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 Continued Fractions 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Continued Fractions 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 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 321st sean-niemann 🇺🇸 819 151 40ms 16 Jan 2025 322nd JayXon 🇺🇸 818 243 1,867ms 10 Jul 2025 323rd edsrzf 🇳🇿 817 163 30ms 27 days ago 324th AlephSquirrel 816 109 6ms 18 Feb 2025 325th canissimia 🇦🇶 816 116 13ms 4 Sep 2024 326th m-tkach 🇺🇦 816 170 652ms 15 Jan 2025 327th error256 815 77 4ms 1 Sep 2024 328th mousetail 🇳🇱 815 94 12ms 1 Sep 2024 328th ljweel 815 94 10ms 12 Sep 2024 328th qpwoeirut 815 94 12ms 7 Feb 2025 331st RyanMHsiao 815 244 1,916ms 25 Sep 2024 332nd rucin93 🇵🇱 814 76 133ms 31 Oct 2024 333rd GrayJoKing 🇦🇺 814 84 14ms 1 Sep 2024 333rd annaproxy 814 84 17ms 22 Oct 2024 335th tomtheisen 🇺🇸 814 109 437ms 8 Nov 2024 336th ovs-code 🇩🇪 813 52 39ms 1 Sep 2024 337th alemelis 813 78 455ms 1 Sep 2024 337th Shanethegamer 🇺🇸 813 78 453ms 1 Sep 2024 337th SirBogman 🇺🇸 813 78 474ms 4 Sep 2024 337th error256 813 78 439ms 4 Sep 2024 337th commandz0 🇺🇸 813 78 467ms 1 Sep 2025 337th Babafaba 813 78 417ms 22 Oct 2025 337th CornerMercury 🇬🇧 813 78 477ms 24 Jan 2026 344th error256 810 150 27ms 5 May 2025 345th MostParsingVex 809 153 43ms 3 Oct 2024 346th primo-ppcg 🇹🇭 809 232 145ms 1 Dec 2025 347th msbranicky 806 95 10ms 1 Sep 2024 347th Bulmenisaurus 806 95 12ms 4 Sep 2024 347th btjones0 806 95 10ms 13 Sep 2024 347th jfallon1997 806 95 9ms 26 Sep 2024 347th jacekwladzinski 806 95 9ms 7 Oct 2025 347th aalec 806 95 9ms 8 Nov 2025 353rd SirBogman 🇺🇸 806 155 44ms 3 Sep 2024 354th GolfingSuccess 🇬🇷 805 210 1,589ms 8 Feb 2025 355th ovs-code 🇩🇪 802 175 9ms 30 Sep 2024 356th emgordon154 801 211 1,660ms 24 Jan 2025 357th MeWhenI 🇻🇦 800 101 113ms 3 Sep 2024 358th MeWhenI 🇻🇦 799 50 3ms 1 Sep 2024 358th retrohun 799 50 3ms 9 Mar 2025 360th namelessiw 799 111 398ms 22 Apr 2025 361st fgrosshans 🇫🇷 798 96 9ms 1 Sep 2024 361st Mikey-Beep 🇬🇧 798 96 12ms 2 Sep 2024 361st JudeTyrrell 798 96 10ms 22 Sep 2024 364th albanian-laundromat 798 201 4ms 23 Jan 2026 365th nwellnhof 🇩🇪 797 134 431ms 2 Sep 2024 365th tailorspy 797 134 577ms 16 Sep 2024 367th kg583 🇺🇸 794 112 7ms 9 May 2025 368th edsrzf 🇳🇿 794 132 7ms 27 hours ago 369th lifthrasiir 🇰🇷 793 32 2ms 29 Nov 2024 370th MeWhenI 🇻🇦 792 80 442ms 1 Sep 2024 370th GrayJoKing 🇦🇺 792 80 474ms 2 Sep 2024 372nd stefangimmillaro 792 166 298ms 4 Sep 2024 373rd mousetail 🇳🇱 789 62 59ms 3 Sep 2024 373rd GolfingSuccess 🇬🇷 789 62 10ms 2 Dec 2025 375th o0BlackDragon0o 789 97 13ms 8 Sep 2024 375th Bombalech 789 97 11ms 8 Sep 2024 375th scpchicken 🇵🇼 789 97 244ms 8 Sep 2024 375th Carlettos1 789 97 12ms 14 Sep 2024 379th m-tkach 🇺🇦 788 169 29ms 19 days ago 380th sean-niemann 🇺🇸 785 113 431ms 5 Sep 2024 381st MeWhenI 🇻🇦 785 157 14ms 7 Sep 2024 382nd rzv-me 784 80 4ms 5 Oct 2024 383rd emplv 🇱🇻 783 79 152ms 1 Nov 2024 384th albanian-laundromat 782 114 2ms 27 Nov 2025 385th HumanoidCPU 781 98 10ms 2 Sep 2024 385th dtbao20 🇻🇳 781 98 17ms 30 Sep 2024 385th YAJUE114514 781 98 10ms 30 Jul 2025 385th luuumine 🇫🇷 781 98 11ms 15 Oct 2025 385th netfri25 🇮🇱 781 98 10ms 6 days ago 385th rotemkm 781 98 10ms 6 days ago 391st KingSkyrock 🇺🇸 779 91 9ms 14 Oct 2024 392nd error256 779 154 206ms 16 days ago 393rd stefangimmillaro 778 114 428ms 4 Sep 2024 394th MeWhenI 🇻🇦 777 39 33ms 2 Sep 2024 395th the-zammers 775 114 117ms 1 Dec 2024 396th snoozingnewt 🇨🇦 773 82 486ms 22 Nov 2025 396th dokutan 773 82 414ms 2 days ago 398th jatloe 773 99 11ms 4 Sep 2024 398th alexeldridge 773 99 11ms 14 Sep 2024 398th Just4FunCoder 773 99 10ms 14 Sep 2025 First Prev 321–400 of 762 Next Last