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 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 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 Shanethegamer 🇺🇸 713 114 120ms 2 Sep 2024 482nd alexsave 709 100 10ms 22 Sep 2024 483rd JesseNoEyes 🇺🇸 709 108 11ms 30 Sep 2024 484th adriweb 🇫🇷 707 98 2ms 4 Sep 2024 484th sean-niemann 🇺🇸 707 98 2ms 5 Sep 2024 484th dokutan 707 98 2ms 14 Sep 2024 487th HumanoidCPU 706 90 514ms 2 Sep 2024 488th error256 705 97 15ms 14 Jan 2026 489th MostParsingVex 705 152 1,843ms 18 Mar 2026 490th CaedenHarper 🇨🇦 705 187 352ms 8 Nov 2025 491st DialFrost 🇸🇬 704 61 1,104ms 31 Aug 2025 491st Steffan153 🇫🇮 704 61 879ms 17 Feb 2026 493rd ovs-code 🇩🇪 704 128 2ms 1 Sep 2024 494th MeWhenI 🇻🇦 703 88 142ms 1 Sep 2024 494th error256 703 88 148ms 10 Sep 2024 496th Mabeloid 🇳🇴 703 109 11ms 1 Sep 2024 496th MassimoParisi 703 109 12ms 18 Sep 2024 496th klixel 🇨🇦 703 109 10ms 21 Sep 2024 496th NotNoper 703 109 10ms 29 Oct 2024 496th za3k 703 109 10ms 15 Jul 2025 496th RaBa21 🇭🇺 703 109 10ms 18 Jul 2025 496th zgialor-lab 703 109 11ms 17 Dec 2025 503rd emgordon154 702 101 9ms 1 Sep 2024 504th elgan65536 🇺🇸 701 172 198ms 23 Sep 2024 505th frosster 🇨🇦 700 99 2ms 21 Mar 2025 506th sean-niemann 🇺🇸 700 114 109ms 7 Sep 2024 507th snoozingnewt 🇨🇦 699 91 98ms 10 Mar 2026 508th KatieLG 🇬🇧 698 91 506ms 1 Sep 2024 508th flekAI 698 91 436ms 3 days ago 510th sean-niemann 🇺🇸 697 107 3ms 23 Aug 2025 511th Andrey2001 696 110 14ms 31 Jan 2026 512th MeWhenI 🇻🇦 694 59 1,026ms 13 Jun 2025 513th prestosilver 🇺🇸 694 117 475ms 14 days ago 514th stefangimmillaro 693 90 2,318ms 14 Nov 2024 515th JDiLenarda 🇫🇷 691 170 1,331ms 3 Sep 2024 516th JunkIce 690 92 561ms 3 Dec 2024 517th aksyristos 690 111 13ms 1 Sep 2024 517th wh3n3v3r 🇨🇿 690 111 12ms 11 Nov 2024 517th AstroOrbis 690 111 10ms 30 Jun 2025 520th kaascevich 688 116 1,820ms 15 Sep 2025 521st GolfingSuccess 🇬🇷 688 131 2ms 1 Sep 2024 522nd DialFrost 🇸🇬 687 118 81ms 22 Jun 2025 523rd DialFrost 🇸🇬 683 62 36ms 30 Jan 2025 524th error256 682 63 1,008ms 20 Dec 2025 525th olleicua 🇺🇸 682 104 10ms 11 Sep 2024 525th charliegaming 682 104 9ms 28 Nov 2024 527th MeWhenI 🇻🇦 682 117 115ms 2 Sep 2024 527th stefangimmillaro 682 117 102ms 2 Sep 2024 529th madex 🇩🇪 681 177 229ms 17 Sep 2024 530th BlankSpruce 678 158 61ms 1 Sep 2024 531st dcgjb 674 69 300ms 11 Sep 2024 532nd stefangimmillaro 673 63 35ms 2 Sep 2024 532nd SirBogman 🇺🇸 673 63 36ms 5 Sep 2024 534th alicethecatwhisperermeow 673 132 421ms 14 Sep 2024 535th madeforlosers 669 106 9ms 23 Oct 2024 536th chunes3 🇺🇸 668 112 64ms 1 Sep 2024 537th DialFrost 🇸🇬 666 181 205ms 12 Apr 2025 538th voytxt 🇨🇿 665 93 162ms 17 Apr 2025 539th dokutan 664 79 211ms 3 Sep 2024 540th DialFrost 🇸🇬 663 96 99ms 28 Nov 2025 541st dokutan 663 107 10ms 5 Jun 2025 542nd GolfingSuccess 🇬🇷 662 162 444ms 1 Sep 2024 542nd ovs-code 🇩🇪 662 162 2,827ms 1 Sep 2024 544th snoozingnewt 🇨🇦 662 194 44ms 2 days ago 545th NickTheEASDude 🇺🇸 660 105 2ms 7 Oct 2025 546th LeoCh01 660 116 10ms 1 Sep 2024 547th lukechampine 659 200 342ms 7 Jun 2025 547th jerrandolph 659 200 334ms 21 Sep 2025 549th Shanethegamer 🇺🇸 658 135 407ms 1 Sep 2024 550th msbranicky 657 95 2,276ms 8 Jan 2025 551st msbranicky 656 136 3ms 1 Sep 2024 552nd albanian-laundromat 🇺🇸 655 189 44ms 14 Sep 2025 553rd m-tkach 🇺🇦 653 169 29ms 9 Feb 2026 554th TFeld00 🇩🇰 652 65 34ms 3 Sep 2024 555th Shanethegamer 🇺🇸 651 95 153ms 8 Jan 2025 556th ShiraJoseph 🇺🇸 651 109 10ms 22 Sep 2024 557th msbranicky 650 203 333ms 1 Sep 2024 558th Waffle3z 647 107 2ms 2 Oct 2024 559th stefangimmillaro 647 151 494ms 6 Oct 2025 560th AlephSquirrel 647 248 3ms 29 Sep 2024 First Prev 481–560 of 811 Next Last