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 479th jared-hughes 716 107 12ms 10 Sep 2024 479th nstearns96 🇬🇧 716 107 11ms 13 Nov 2024 479th rchalamala 716 107 10ms 2 Jan 2025 479th brochmann 🇸🇪 716 107 10ms 16 Oct 2025 485th jusaka 714 89 423ms 8 days ago 486th snyderek 🇺🇸 714 150 61ms 15 Sep 2024 487th Shanethegamer 🇺🇸 713 114 109ms 2 Sep 2024 488th alexsave 709 100 10ms 22 Sep 2024 489th JesseNoEyes 🇺🇸 709 108 11ms 30 Sep 2024 490th error256 708 97 15ms 14 Jan 2026 491st HumanoidCPU 706 90 514ms 2 Sep 2024 492nd adriweb 🇫🇷 706 98 2ms 4 Sep 2024 492nd sean-niemann 🇺🇸 706 98 2ms 5 Sep 2024 492nd dokutan 706 98 2ms 14 Sep 2024 495th MeWhenI 🇻🇦 705 88 127ms 1 Sep 2024 495th error256 705 88 129ms 10 Sep 2024 497th MostParsingVex 705 152 1,799ms 18 Mar 2026 498th CaedenHarper 🇨🇦 705 187 352ms 8 Nov 2025 499th DialFrost 🇸🇬 704 61 1,104ms 31 Aug 2025 499th Steffan153 🇫🇮 704 61 879ms 17 Feb 2026 501st ovs-code 🇩🇪 704 128 2ms 1 Sep 2024 502nd Mabeloid 🇳🇴 703 109 11ms 1 Sep 2024 502nd MassimoParisi 703 109 12ms 18 Sep 2024 502nd klixel 🇨🇦 703 109 10ms 21 Sep 2024 502nd NotNoper 703 109 10ms 29 Oct 2024 502nd za3k 703 109 10ms 15 Jul 2025 502nd RaBa21 🇭🇺 703 109 10ms 18 Jul 2025 502nd zgialor-lab 703 109 11ms 17 Dec 2025 509th emgordon154 702 101 10ms 1 Sep 2024 510th sean-niemann 🇺🇸 702 107 3ms 23 Aug 2025 511th elgan65536 🇺🇸 701 172 214ms 23 Sep 2024 512th sean-niemann 🇺🇸 700 114 112ms 7 Sep 2024 513th MeWhenI 🇻🇦 698 59 20ms 13 Jun 2025 514th KatieLG 🇬🇧 698 91 506ms 1 Sep 2024 515th frosster 🇨🇦 698 99 2ms 21 Mar 2025 516th Andrey2001 696 110 14ms 31 Jan 2026 517th stefangimmillaro 695 90 2,354ms 14 Nov 2024 518th prestosilver 🇺🇸 694 117 587ms 23 days ago 519th JDiLenarda 🇫🇷 691 170 1,534ms 3 Sep 2024 520th JunkIce 690 92 561ms 3 Dec 2024 521st aksyristos 690 111 13ms 1 Sep 2024 521st wh3n3v3r 🇨🇿 690 111 12ms 11 Nov 2024 521st AstroOrbis 690 111 10ms 30 Jun 2025 524th emgordon154 690 319 1,701ms 6 days ago 525th kaascevich 688 116 1,898ms 15 Sep 2025 526th GolfingSuccess 🇬🇷 688 131 2ms 1 Sep 2024 527th DialFrost 🇸🇬 687 118 81ms 22 Jun 2025 528th DialFrost 🇸🇬 683 62 40ms 30 Jan 2025 529th error256 682 63 1,008ms 20 Dec 2025 530th olleicua 🇺🇸 682 104 11ms 11 Sep 2024 530th charliegaming 682 104 10ms 28 Nov 2024 532nd MeWhenI 🇻🇦 682 117 114ms 2 Sep 2024 532nd stefangimmillaro 682 117 103ms 2 Sep 2024 534th madex 🇩🇪 681 177 226ms 17 Sep 2024 535th BlankSpruce 678 158 64ms 1 Sep 2024 536th dcgjb 677 69 290ms 11 Sep 2024 537th chunes3 🇺🇸 675 112 64ms 1 Sep 2024 538th alicethecatwhisperermeow 673 132 451ms 14 Sep 2024 539th stefangimmillaro 672 63 44ms 2 Sep 2024 539th SirBogman 🇺🇸 672 63 39ms 5 Sep 2024 541st madeforlosers 669 106 10ms 23 Oct 2024 542nd voytxt 🇨🇿 667 93 138ms 17 Apr 2025 543rd DialFrost 🇸🇬 666 96 99ms 28 Nov 2025 544th DialFrost 🇸🇬 666 181 198ms 12 Apr 2025 545th dokutan 664 79 193ms 3 Sep 2024 546th dokutan 663 107 11ms 5 Jun 2025 547th GolfingSuccess 🇬🇷 662 162 448ms 1 Sep 2024 547th ovs-code 🇩🇪 662 162 2,842ms 1 Sep 2024 549th snoozingnewt 🇨🇦 662 194 44ms 11 days ago 550th LeoCh01 660 116 10ms 1 Sep 2024 551st msbranicky 660 136 3ms 1 Sep 2024 552nd m-tkach 🇺🇦 660 169 29ms 9 Feb 2026 553rd msbranicky 659 95 2,382ms 8 Jan 2025 554th NickTheEASDude 🇺🇸 659 105 2ms 7 Oct 2025 555th lukechampine 659 200 342ms 7 Jun 2025 555th jerrandolph 659 200 334ms 21 Sep 2025 557th Shanethegamer 🇺🇸 658 135 460ms 1 Sep 2024 558th AlephSquirrel 658 248 3ms 29 Sep 2024 559th Shanethegamer 🇺🇸 653 95 140ms 8 Jan 2025 560th TFeld00 🇩🇰 651 65 39ms 3 Sep 2024 First Prev 481–560 of 843 Next Last