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 446th RaBa21 🇭🇺 701 109 9ms 18 Jul 2025 452nd ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 453rd CaedenHarper 🇨🇦 701 187 238ms 22 days ago 454th frosster 697 99 2ms 21 Mar 2025 455th sean-niemann 🇺🇸 697 114 101ms 7 Sep 2024 456th KatieLG 🇬🇧 696 91 426ms 1 Sep 2024 457th elgan65536 695 172 195ms 23 Sep 2024 458th MostParsingVex 694 154 1,157ms 15 Sep 2024 459th sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 460th stefangimmillaro 691 90 2,112ms 14 Nov 2024 461st aksyristos 689 111 9ms 1 Sep 2024 461st wh3n3v3r 🇨🇿 689 111 9ms 11 Nov 2024 461st AstroOrbis 689 111 9ms 30 Jun 2025 464th Shanethegamer 🇺🇸 689 206 29ms 4 Sep 2024 465th JunkIce 688 92 630ms 3 Dec 2024 466th kaascevich 685 116 1,671ms 15 Sep 2025 467th GolfingSuccess 🇬🇷 685 131 2ms 1 Sep 2024 468th edsrzf 🇳🇿 682 118 347ms 25 Jun 2025 469th emgordon154 682 288 1,618ms 2 Oct 2024 470th olleicua 🇺🇸 681 104 9ms 11 Sep 2024 470th charliegaming 681 104 9ms 28 Nov 2024 472nd DialFrost 🇸🇬 681 118 74ms 22 Jun 2025 473rd DialFrost 🇸🇬 680 62 33ms 30 Jan 2025 474th MeWhenI 🇻🇦 679 117 108ms 2 Sep 2024 474th stefangimmillaro 679 117 93ms 2 Sep 2024 476th edsrzf 🇳🇿 678 92 4ms 10 Oct 2024 477th BlankSpruce 676 158 56ms 1 Sep 2024 478th madex 🇩🇪 676 177 208ms 17 Sep 2024 479th dcgjb 674 69 284ms 11 Sep 2024 480th stefangimmillaro 669 63 32ms 2 Sep 2024 480th SirBogman 🇺🇸 669 63 32ms 5 Sep 2024 482nd alicethecatwhisperermeow 669 132 371ms 14 Sep 2024 483rd madeforlosers 668 106 8ms 23 Oct 2024 484th chunes3 🇺🇸 668 112 62ms 1 Sep 2024 485th DialFrost 🇸🇬 666 76 14ms 1 Aug 2025 486th voytxt 🇨🇿 665 93 132ms 17 Apr 2025 487th Maznek 662 107 9ms 8 Oct 2024 487th dokutan 662 107 9ms 5 Jun 2025 489th DialFrost 🇸🇬 661 181 197ms 12 Apr 2025 489th error256 661 181 173ms 22 May 2025 491st dokutan 660 79 164ms 3 Sep 2024 492nd GolfingSuccess 🇬🇷 660 162 363ms 1 Sep 2024 492nd ovs-code 🇩🇪 660 162 2,175ms 1 Sep 2024 494th LeoCh01 659 116 9ms 1 Sep 2024 495th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 496th msbranicky 656 136 2ms 1 Sep 2024 497th msbranicky 655 95 1,996ms 8 Jan 2025 498th Shanethegamer 🇺🇸 655 135 377ms 1 Sep 2024 499th albanian-laundromat 655 189 42ms 14 Sep 2025 500th lukechampine 655 200 244ms 7 Jun 2025 500th jerrandolph 655 200 248ms 21 Sep 2025 502nd Shanethegamer 🇺🇸 651 95 139ms 8 Jan 2025 503rd TFeld00 🇩🇰 649 65 32ms 3 Sep 2024 504th ShiraJoseph 🇺🇸 649 109 8ms 22 Sep 2024 505th msbranicky 646 203 249ms 1 Sep 2024 506th error256 645 106 16ms 18 Apr 2025 507th Waffle3z 645 107 1ms 2 Oct 2024 508th snoozingnewt 🇺🇸 644 186 8ms 1 Sep 2024 509th stefangimmillaro 643 71 819ms 3 Sep 2024 510th mrxz 🇳🇱 643 110 9ms 22 Sep 2024 510th weliveinhell 🇭🇹 643 110 8ms 28 Sep 2024 512th Zhenyu-Bo 642 119 9ms 1 Aug 2025 513th BlankSpruce 641 140 2ms 1 Sep 2024 514th anter69 🇭🇺 639 66 32ms 25 Oct 2024 515th aDwarfNamedUrist 638 138 112ms 4 Sep 2024 516th stefangimmillaro 638 151 342ms 6 Oct 2025 517th SirBogman 🇺🇸 637 73 295ms 23 Jul 2025 518th lhulinsky 637 120 9ms 23 Oct 2024 518th arjunarya1 637 120 9ms 11 Sep 2025 520th stefangimmillaro 636 188 195ms 4 Jun 2025 521st emgordon154 635 40 3ms 11 days ago 522nd Shanethegamer 🇺🇸 634 72 861ms 1 Sep 2024 522nd anter69 🇭🇺 634 72 858ms 25 Oct 2024 524th Ripick 633 127 349ms 6 Sep 2024 525th KatieLG 🇬🇧 632 112 9ms 1 Sep 2024 First Prev 451–525 of 693 Next Last