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 Multitap Input 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 ><> 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 Multitap Input 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 451st HumanoidCPU 704 90 412ms 2 Sep 2024 452nd adriweb 🇫🇷 704 98 1ms 4 Sep 2024 452nd sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 452nd dokutan 704 98 2ms 14 Sep 2024 455th Shanethegamer 🇺🇸 704 114 102ms 2 Sep 2024 456th MeWhenI 🇻🇦 703 88 137ms 1 Sep 2024 456th error256 703 88 135ms 10 Sep 2024 458th Mabeloid 🇳🇴 702 109 10ms 1 Sep 2024 458th MassimoParisi 702 109 11ms 18 Sep 2024 458th klixel 🇨🇦 702 109 10ms 21 Sep 2024 458th NotNoper 702 109 9ms 29 Oct 2024 458th za3k 702 109 11ms 15 Jul 2025 458th RaBa21 🇭🇺 702 109 11ms 18 Jul 2025 458th zgialor-lab 702 109 11ms 16 hours ago 465th ovs-code 🇩🇪 702 128 2ms 1 Sep 2024 466th emgordon154 701 101 9ms 1 Sep 2024 467th CaedenHarper 🇨🇦 701 187 256ms 8 Nov 2025 468th frosster 697 99 2ms 21 Mar 2025 469th sean-niemann 🇺🇸 697 114 108ms 7 Sep 2024 470th KatieLG 🇬🇧 696 91 455ms 1 Sep 2024 471st elgan65536 695 172 194ms 23 Sep 2024 472nd MostParsingVex 694 154 1,857ms 15 Sep 2024 473rd sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 474th stefangimmillaro 691 90 4,548ms 14 Nov 2024 475th aksyristos 689 111 11ms 1 Sep 2024 475th wh3n3v3r 🇨🇿 689 111 10ms 11 Nov 2024 475th AstroOrbis 689 111 10ms 30 Jun 2025 478th Shanethegamer 🇺🇸 689 206 30ms 4 Sep 2024 479th JunkIce 688 92 718ms 3 Dec 2024 480th GolfingSuccess 🇬🇷 686 131 2ms 1 Sep 2024 481st kaascevich 685 116 1,645ms 15 Sep 2025 482nd emgordon154 682 288 1,927ms 2 Oct 2024 483rd olleicua 🇺🇸 681 104 9ms 11 Sep 2024 483rd charliegaming 681 104 9ms 28 Nov 2024 485th DialFrost 🇸🇬 681 118 93ms 22 Jun 2025 486th DialFrost 🇸🇬 680 62 45ms 30 Jan 2025 487th MeWhenI 🇻🇦 679 117 113ms 2 Sep 2024 487th stefangimmillaro 679 117 101ms 2 Sep 2024 489th edsrzf 🇳🇿 678 92 5ms 10 Oct 2024 490th BlankSpruce 676 158 86ms 1 Sep 2024 491st madex 🇩🇪 676 177 212ms 17 Sep 2024 492nd dcgjb 674 69 292ms 11 Sep 2024 493rd stefangimmillaro 669 63 52ms 2 Sep 2024 493rd SirBogman 🇺🇸 669 63 37ms 5 Sep 2024 495th alicethecatwhisperermeow 669 132 395ms 14 Sep 2024 496th madeforlosers 668 106 8ms 23 Oct 2024 497th chunes3 🇺🇸 668 112 68ms 1 Sep 2024 498th DialFrost 🇸🇬 666 76 16ms 1 Aug 2025 499th AlephSquirrel 666 248 3ms 29 Sep 2024 500th voytxt 🇨🇿 665 93 134ms 17 Apr 2025 501st dokutan 662 79 245ms 3 Sep 2024 502nd Maznek 662 107 9ms 8 Oct 2024 502nd dokutan 662 107 9ms 5 Jun 2025 504th DialFrost 🇸🇬 661 181 193ms 12 Apr 2025 504th error256 661 181 175ms 22 May 2025 506th GolfingSuccess 🇬🇷 660 162 538ms 1 Sep 2024 506th ovs-code 🇩🇪 660 162 2,853ms 1 Sep 2024 508th LeoCh01 659 116 9ms 1 Sep 2024 509th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 510th msbranicky 656 136 3ms 1 Sep 2024 511th msbranicky 655 95 3,872ms 8 Jan 2025 512th Shanethegamer 🇺🇸 655 135 422ms 1 Sep 2024 513th albanian-laundromat 655 189 44ms 14 Sep 2025 514th lukechampine 655 200 255ms 7 Jun 2025 514th jerrandolph 655 200 264ms 21 Sep 2025 516th Shanethegamer 🇺🇸 651 95 141ms 8 Jan 2025 517th TFeld00 🇩🇰 649 65 53ms 3 Sep 2024 518th ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 519th msbranicky 646 203 257ms 1 Sep 2024 520th error256 645 106 13ms 18 Apr 2025 521st Waffle3z 645 107 2ms 2 Oct 2024 522nd stefangimmillaro 643 71 819ms 3 Sep 2024 523rd mrxz 🇳🇱 643 110 9ms 22 Sep 2024 523rd weliveinhell 🇭🇹 643 110 9ms 28 Sep 2024 525th Zhenyu-Bo 643 119 11ms 1 Aug 2025 First Prev 451–525 of 710 Next Last