PalindromemordnilaP in all languages in chars. 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 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 Tower of Hanoi 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 373rd Schreipfelerer 709 88 9ms 11 Sep 2024 373rd bob-th 709 88 9ms 17 Sep 2024 373rd InigoK 🇺🇸 709 88 9ms 18 Sep 2024 373rd moustave 709 88 10ms 24 Oct 2024 373rd andrewjc2000 709 88 9ms 10 Mar 2025 381st emgordon154 708 85 117ms 1 Sep 2024 382nd JDiLenarda 🇫🇷 708 170 1,362ms 3 Sep 2024 383rd alexsave 707 100 8ms 22 Sep 2024 384th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 384th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 384th dokutan 704 98 2ms 14 Sep 2024 387th Shanethegamer 🇺🇸 704 114 109ms 2 Sep 2024 388th OllieBoyne 🇬🇧 701 89 9ms 9 Sep 2024 388th davecame 701 89 10ms 17 Sep 2024 388th Bmrl7 701 89 9ms 3 Oct 2024 388th DialFrost 🇸🇬 701 89 10ms 21 Nov 2024 388th CommandLeo 🇮🇹 701 89 11ms 25 hours ago 393rd ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 394th CaedenHarper 🇨🇦 701 187 238ms 19 days ago 395th GrayJoKing 🇦🇺 700 86 125ms 2 Sep 2024 395th dokutan 700 86 117ms 15 Jun 2025 397th CaedenHarper 🇨🇦 698 83 514ms 9 Aug 2025 398th MeWhenI 🇻🇦 698 151 42ms 4 Sep 2024 399th frosster 697 99 2ms 21 Mar 2025 400th sean-niemann 🇺🇸 697 114 102ms 7 Sep 2024 401st MostParsingVex 696 154 1,194ms 15 Sep 2024 402nd elgan65536 695 172 205ms 23 Sep 2024 403rd mamamia5x 694 102 9ms 12 Sep 2024 404th retrohun 693 89 106ms 1 Sep 2024 405th tatzyr 🇯🇵 692 61 36ms 10 Oct 2025 406th sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 407th stefangimmillaro 691 90 2,112ms 14 Nov 2024 408th Shanethegamer 🇺🇸 689 206 33ms 4 Sep 2024 409th BlankSpruce 686 91 9ms 1 Sep 2024 409th ZakkkkAttackkkk 🇵🇭 686 91 10ms 1 Sep 2024 409th BREMAUCY 🇫🇷 686 91 9ms 3 Sep 2024 409th charliegaming 686 91 10ms 7 Sep 2024 409th mbittner20 686 91 9ms 9 Sep 2024 409th neihousaigaai 686 91 11ms 28 Sep 2024 409th Rubiksmath 686 91 10ms 1 Oct 2024 409th jameswmccarty 686 91 9ms 2 Dec 2024 409th croc54 686 91 9ms 12 Jan 2025 409th Pyroan 686 91 10ms 24 Feb 2025 409th WillowWispy 686 91 10ms 21 Mar 2025 409th KasperKivimaeki 🇫🇮 686 91 9ms 3 Jul 2025 409th clayboll99 686 91 10ms 15 Jul 2025 409th CaedenHarper 🇨🇦 686 91 26ms 9 Aug 2025 409th blaztoma 🇱🇹 686 91 10ms 21 Sep 2025 409th vhoulbreque 🇫🇷 686 91 9ms 6 days ago 425th kaascevich 685 116 1,671ms 15 Sep 2025 426th GolfingSuccess 🇬🇷 685 131 2ms 1 Sep 2024 427th MeWhenI 🇻🇦 684 88 128ms 1 Sep 2024 427th error256 684 88 126ms 10 Sep 2024 429th edsrzf 🇳🇿 682 118 353ms 25 Jun 2025 430th emgordon154 682 288 1,681ms 2 Oct 2024 431st DialFrost 🇸🇬 681 62 41ms 30 Jan 2025 431st KatieLG 🇬🇧 681 62 32ms 2 Oct 2025 433rd olleicua 🇺🇸 680 104 9ms 11 Sep 2024 434th MeWhenI 🇻🇦 679 117 108ms 2 Sep 2024 434th stefangimmillaro 679 117 93ms 2 Sep 2024 436th fourth-bit 678 92 9ms 4 Sep 2024 436th bnic24 678 92 10ms 5 Sep 2024 436th edsrzf 🇳🇿 678 92 4ms 10 Oct 2024 439th BlankSpruce 678 158 56ms 1 Sep 2024 440th madex 🇩🇪 676 177 213ms 17 Sep 2024 441st dokutan 675 156 40ms 1 Sep 2024 442nd dcgjb 674 69 284ms 11 Sep 2024 443rd edsrzf 🇳🇿 674 104 7ms 27 Jan 2025 444th DialFrost 🇸🇬 673 76 16ms 1 Aug 2025 445th adamnielson42 🇺🇸 671 93 9ms 7 Oct 2024 445th smiksky 🇺🇸 671 93 10ms 16 Oct 2024 445th guilhem-roy 🇫🇷 671 93 10ms 31 May 2025 448th stefangimmillaro 670 63 34ms 2 Sep 2024 448th SirBogman 🇺🇸 670 63 34ms 5 Sep 2024 450th dokutan 669 78 187ms 3 Sep 2024 First Prev 376–450 of 696 Next Last