PalindromemordnilaP in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Erlang 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 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 Erlang 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 369th andrewjc2000 709 88 9ms 10 Mar 2025 377th JDiLenarda 🇫🇷 708 170 1,362ms 3 Sep 2024 378th alexsave 707 100 10ms 22 Sep 2024 379th emgordon154 706 85 119ms 1 Sep 2024 380th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 380th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 380th dokutan 704 98 2ms 14 Sep 2024 383rd Shanethegamer 🇺🇸 704 114 106ms 2 Sep 2024 384th OllieBoyne 🇬🇧 701 89 9ms 9 Sep 2024 384th davecame 701 89 10ms 17 Sep 2024 384th Bmrl7 701 89 9ms 3 Oct 2024 384th DialFrost 🇸🇬 701 89 10ms 21 Nov 2024 388th ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 389th CaedenHarper 🇨🇦 701 187 238ms 9 days ago 390th CaedenHarper 🇨🇦 698 83 514ms 9 Aug 2025 391st GrayJoKing 🇦🇺 698 86 125ms 2 Sep 2024 391st dokutan 698 86 117ms 15 Jun 2025 393rd MeWhenI 🇻🇦 698 151 42ms 4 Sep 2024 394th frosster 697 99 2ms 21 Mar 2025 395th MostParsingVex 696 154 1,237ms 15 Sep 2024 396th mamamia5x 694 102 9ms 12 Sep 2024 397th sean-niemann 🇺🇸 694 114 102ms 7 Sep 2024 398th retrohun 693 89 106ms 1 Sep 2024 399th elgan65536 693 172 205ms 23 Sep 2024 400th tatzyr 🇯🇵 692 61 36ms 10 Oct 2025 401st sean-niemann 🇺🇸 692 107 3ms 23 Aug 2025 402nd stefangimmillaro 691 90 2,112ms 14 Nov 2024 403rd Shanethegamer 🇺🇸 689 206 33ms 4 Sep 2024 404th BlankSpruce 685 91 9ms 1 Sep 2024 404th ZakkkkAttackkkk 🇵🇭 685 91 10ms 1 Sep 2024 404th BREMAUCY 🇫🇷 685 91 9ms 3 Sep 2024 404th charliegaming 685 91 10ms 7 Sep 2024 404th mbittner20 685 91 9ms 9 Sep 2024 404th neihousaigaai 685 91 11ms 28 Sep 2024 404th Rubiksmath 685 91 10ms 1 Oct 2024 404th jameswmccarty 685 91 9ms 2 Dec 2024 404th croc54 685 91 9ms 12 Jan 2025 404th Pyroan 685 91 10ms 24 Feb 2025 404th WillowWispy 685 91 10ms 21 Mar 2025 404th KasperKivimaeki 🇫🇮 685 91 9ms 3 Jul 2025 404th clayboll99 685 91 10ms 15 Jul 2025 404th CaedenHarper 🇨🇦 685 91 26ms 9 Aug 2025 404th blaztoma 🇱🇹 685 91 10ms 21 Sep 2025 419th GolfingSuccess 🇬🇷 685 131 2ms 1 Sep 2024 420th MeWhenI 🇻🇦 682 88 133ms 1 Sep 2024 420th error256 682 88 126ms 10 Sep 2024 422nd kaascevich 682 116 1,692ms 15 Sep 2025 423rd edsrzf 🇳🇿 682 118 361ms 25 Jun 2025 424th emgordon154 682 288 1,681ms 2 Oct 2024 425th DialFrost 🇸🇬 681 62 41ms 30 Jan 2025 425th KatieLG 🇬🇧 681 62 32ms 2 Oct 2025 427th olleicua 🇺🇸 680 104 12ms 11 Sep 2024 428th fourth-bit 678 92 9ms 4 Sep 2024 428th bnic24 678 92 10ms 5 Sep 2024 428th edsrzf 🇳🇿 678 92 4ms 10 Oct 2024 431st BlankSpruce 678 158 63ms 1 Sep 2024 432nd MeWhenI 🇻🇦 677 117 110ms 2 Sep 2024 432nd stefangimmillaro 677 117 93ms 2 Sep 2024 434th dokutan 675 156 40ms 1 Sep 2024 435th dcgjb 674 69 338ms 11 Sep 2024 436th edsrzf 🇳🇿 674 104 7ms 27 Jan 2025 437th DialFrost 🇸🇬 673 76 16ms 1 Aug 2025 438th madex 🇩🇪 673 177 213ms 17 Sep 2024 439th adamnielson42 🇺🇸 671 93 9ms 7 Oct 2024 439th smiksky 🇺🇸 671 93 10ms 16 Oct 2024 439th guilhem-roy 🇫🇷 671 93 10ms 31 May 2025 442nd stefangimmillaro 670 63 34ms 2 Sep 2024 442nd SirBogman 🇺🇸 670 63 34ms 5 Sep 2024 444th dokutan 669 78 198ms 3 Sep 2024 445th alicethecatwhisperermeow 669 132 340ms 14 Sep 2024 446th chunes3 🇺🇸 668 112 75ms 1 Sep 2024 447th madeforlosers 667 106 10ms 23 Oct 2024 448th mousetail 🇳🇱 663 94 11ms 1 Sep 2024 448th ljweel 663 94 9ms 12 Sep 2024 448th jtaxen 663 94 10ms 26 Sep 2024 First Prev 376–450 of 685 Next Last