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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 481st galloj 🇨🇿 716 107 11ms 4 Sep 2024 481st FlorianCassayre 🇫🇷 716 107 11ms 9 Sep 2024 481st jared-hughes 716 107 12ms 10 Sep 2024 481st nstearns96 🇬🇧 716 107 11ms 13 Nov 2024 481st rchalamala 716 107 10ms 2 Jan 2025 481st brochmann 🇸🇪 716 107 10ms 16 Oct 2025 487th jusaka 714 89 423ms 9 days ago 488th snyderek 🇺🇸 714 150 61ms 15 Sep 2024 489th Shanethegamer 🇺🇸 713 114 109ms 2 Sep 2024 490th alexsave 709 100 10ms 22 Sep 2024 491st JesseNoEyes 🇺🇸 709 108 11ms 30 Sep 2024 492nd error256 708 97 15ms 14 Jan 2026 493rd HumanoidCPU 706 90 514ms 2 Sep 2024 494th adriweb 🇫🇷 706 98 2ms 4 Sep 2024 494th sean-niemann 🇺🇸 706 98 2ms 5 Sep 2024 494th dokutan 706 98 2ms 14 Sep 2024 497th MeWhenI 🇻🇦 705 88 127ms 1 Sep 2024 497th error256 705 88 129ms 10 Sep 2024 499th MostParsingVex 705 152 1,799ms 18 Mar 2026 500th CaedenHarper 🇨🇦 705 187 352ms 8 Nov 2025 501st DialFrost 🇸🇬 704 61 1,095ms 31 Aug 2025 501st Steffan153 🇫🇮 704 61 915ms 17 Feb 2026 503rd ovs-code 🇩🇪 704 128 2ms 1 Sep 2024 504th Mabeloid 🇳🇴 703 109 11ms 1 Sep 2024 504th MassimoParisi 703 109 12ms 18 Sep 2024 504th klixel 🇨🇦 703 109 10ms 21 Sep 2024 504th NotNoper 703 109 10ms 29 Oct 2024 504th za3k 703 109 10ms 15 Jul 2025 504th RaBa21 🇭🇺 703 109 10ms 18 Jul 2025 504th zgialor-lab 703 109 11ms 17 Dec 2025 511th emgordon154 702 101 10ms 1 Sep 2024 512th sean-niemann 🇺🇸 702 107 3ms 23 Aug 2025 513th elgan65536 🇺🇸 701 172 214ms 23 Sep 2024 514th sean-niemann 🇺🇸 700 114 112ms 7 Sep 2024 515th MeWhenI 🇻🇦 698 59 20ms 13 Jun 2025 516th KatieLG 🇬🇧 698 91 506ms 1 Sep 2024 517th frosster 🇨🇦 698 99 2ms 21 Mar 2025 518th Andrey2001 697 110 14ms 31 Jan 2026 519th stefangimmillaro 695 90 2,596ms 14 Nov 2024 520th prestosilver 🇺🇸 694 117 585ms 24 days ago 521st JDiLenarda 🇫🇷 691 170 1,534ms 3 Sep 2024 522nd JunkIce 690 92 561ms 3 Dec 2024 523rd aksyristos 690 111 13ms 1 Sep 2024 523rd wh3n3v3r 🇨🇿 690 111 12ms 11 Nov 2024 523rd AstroOrbis 690 111 10ms 30 Jun 2025 526th emgordon154 690 319 1,701ms 7 days ago 527th kaascevich 688 116 1,898ms 15 Sep 2025 528th GolfingSuccess 🇬🇷 688 131 2ms 1 Sep 2024 529th DialFrost 🇸🇬 687 118 81ms 22 Jun 2025 530th DialFrost 🇸🇬 683 62 40ms 30 Jan 2025 531st error256 682 63 1,191ms 20 Dec 2025 532nd olleicua 🇺🇸 682 104 11ms 11 Sep 2024 532nd charliegaming 682 104 10ms 28 Nov 2024 534th MeWhenI 🇻🇦 682 117 114ms 2 Sep 2024 534th stefangimmillaro 682 117 103ms 2 Sep 2024 536th madex 🇩🇪 681 177 226ms 17 Sep 2024 537th BlankSpruce 678 158 64ms 1 Sep 2024 538th dcgjb 677 69 290ms 11 Sep 2024 539th chunes3 🇺🇸 675 112 64ms 1 Sep 2024 540th alicethecatwhisperermeow 673 132 451ms 14 Sep 2024 541st stefangimmillaro 672 63 44ms 2 Sep 2024 541st SirBogman 🇺🇸 672 63 39ms 5 Sep 2024 543rd madeforlosers 669 106 10ms 23 Oct 2024 544th voytxt 🇨🇿 667 93 138ms 17 Apr 2025 545th DialFrost 🇸🇬 666 96 99ms 28 Nov 2025 546th DialFrost 🇸🇬 666 181 198ms 12 Apr 2025 547th dokutan 664 79 193ms 3 Sep 2024 548th dokutan 663 107 11ms 5 Jun 2025 549th GolfingSuccess 🇬🇷 662 162 448ms 1 Sep 2024 549th ovs-code 🇩🇪 662 162 2,842ms 1 Sep 2024 551st snoozingnewt 🇨🇦 662 194 44ms 12 days ago 552nd LeoCh01 660 116 10ms 1 Sep 2024 553rd msbranicky 660 136 3ms 1 Sep 2024 554th m-tkach 🇺🇦 660 169 29ms 9 Feb 2026 555th msbranicky 659 95 2,679ms 8 Jan 2025 556th NickTheEASDude 🇺🇸 659 105 2ms 7 Oct 2025 557th lukechampine 659 200 342ms 7 Jun 2025 557th jerrandolph 659 200 334ms 21 Sep 2025 559th Shanethegamer 🇺🇸 658 135 460ms 1 Sep 2024 560th AlephSquirrel 658 248 3ms 29 Sep 2024 First Prev 481–560 of 845 Next Last