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 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 Chars Time Submitted 387th blaztoma 🇱🇹 718 87 10ms 11 Jan 2026 387th Lv0Sys 🇵🇱 718 87 10ms 18 days ago 403rd anter69 🇭🇺 717 59 59ms 25 Oct 2024 404th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 405th KatieLG 🇬🇧 716 99 10ms 5 Oct 2025 406th JDiLenarda 🇫🇷 715 170 1,518ms 3 Sep 2024 407th mykytamatiukha 714 168 233ms 15 Jan 2026 408th snyderek 🇺🇸 712 150 60ms 15 Sep 2024 409th AlephSquirrel 710 88 139ms 1 Sep 2024 409th ahmetdemirag 🇨🇾 710 88 10ms 3 Sep 2024 409th hellwue 710 88 10ms 4 Sep 2024 409th Schreipfelerer 710 88 9ms 11 Sep 2024 409th bob-th 710 88 10ms 17 Sep 2024 409th InigoK 🇺🇸 710 88 10ms 18 Sep 2024 409th moustave 710 88 9ms 24 Oct 2024 409th andrewjc2000 710 88 9ms 10 Mar 2025 409th KasperKivimaeki 🇫🇮 710 88 10ms 20 days ago 418th Shanethegamer 🇺🇸 709 114 119ms 2 Sep 2024 419th emgordon154 708 85 144ms 1 Sep 2024 420th alexsave 708 100 10ms 22 Sep 2024 420th JOrE20 708 100 11ms 19 days ago 422nd error256 705 97 15ms 14 Jan 2026 423rd adriweb 🇫🇷 704 98 2ms 4 Sep 2024 423rd sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 423rd dokutan 704 98 2ms 14 Sep 2024 426th CaedenHarper 🇨🇦 703 187 279ms 8 Nov 2025 427th DialFrost 🇸🇬 702 61 973ms 31 Aug 2025 427th Steffan153 🇫🇮 702 61 712ms 23 days ago 429th OllieBoyne 🇬🇧 702 89 10ms 9 Sep 2024 429th davecame 702 89 10ms 17 Sep 2024 429th Bmrl7 702 89 10ms 3 Oct 2024 429th DialFrost 🇸🇬 702 89 10ms 21 Nov 2024 429th CommandLeo 🇮🇹 702 89 9ms 27 Nov 2025 434th ovs-code 🇩🇪 702 128 2ms 1 Sep 2024 435th CaedenHarper 🇨🇦 701 83 494ms 9 Aug 2025 436th GrayJoKing 🇦🇺 700 86 135ms 2 Sep 2024 436th dokutan 700 86 136ms 15 Jun 2025 438th snoozingnewt 🇨🇦 699 91 98ms 2 days ago 439th MeWhenI 🇻🇦 698 151 43ms 4 Sep 2024 440th frosster 🇨🇦 697 99 2ms 21 Mar 2025 441st sean-niemann 🇺🇸 697 114 108ms 7 Sep 2024 442nd elgan65536 🇺🇸 697 172 194ms 23 Sep 2024 443rd mamamia5x 695 102 10ms 12 Sep 2024 444th MeWhenI 🇻🇦 694 59 1,026ms 13 Jun 2025 445th MostParsingVex 694 154 1,893ms 15 Sep 2024 446th tatzyr 🇯🇵 693 61 37ms 10 Oct 2025 447th sean-niemann 🇺🇸 692 107 3ms 23 Aug 2025 448th stefangimmillaro 691 90 2,365ms 14 Nov 2024 449th emgordon154 690 288 1,906ms 2 Oct 2024 450th BlankSpruce 686 91 10ms 1 Sep 2024 450th ZakkkkAttackkkk 🇵🇭 686 91 10ms 1 Sep 2024 450th BREMAUCY 🇫🇷 686 91 10ms 3 Sep 2024 450th charliegaming 686 91 11ms 7 Sep 2024 450th mbittner20 686 91 10ms 9 Sep 2024 450th neihousaigaai 686 91 10ms 28 Sep 2024 450th Rubiksmath 686 91 10ms 1 Oct 2024 450th jameswmccarty 686 91 10ms 2 Dec 2024 450th croc54 686 91 10ms 12 Jan 2025 450th Pyroan 686 91 9ms 24 Feb 2025 450th WillowWispy 686 91 10ms 21 Mar 2025 450th clayboll99 686 91 9ms 15 Jul 2025 450th vhoulbreque 🇫🇷 686 91 10ms 21 Nov 2025 450th FortuiteMan 🇫🇷 686 91 9ms 30 Nov 2025 450th LostSyntax21 🇬🇧 686 91 10ms 30 Nov 2025 450th CaedenHarper 🇨🇦 686 91 30ms 1 Dec 2025 450th solisolu 686 91 10ms 31 Dec 2025 450th mateusz-sterczewski 686 91 10ms 15 Jan 2026 450th Matter1024 🇮🇳 686 91 10ms 31 Jan 2026 450th souta-1326 686 91 11ms 21 days ago 470th GolfingSuccess 🇬🇷 686 131 2ms 1 Sep 2024 471st kaascevich 685 116 1,758ms 15 Sep 2025 472nd MeWhenI 🇻🇦 684 88 131ms 1 Sep 2024 472nd error256 684 88 133ms 10 Sep 2024 474th DialFrost 🇸🇬 682 62 37ms 30 Jan 2025 474th KatieLG 🇬🇧 682 62 36ms 2 Oct 2025 476th olleicua 🇺🇸 681 104 10ms 11 Sep 2024 477th error256 680 63 930ms 20 Dec 2025 478th fourth-bit 679 92 9ms 4 Sep 2024 478th bnic24 679 92 11ms 5 Sep 2024 480th MeWhenI 🇻🇦 679 117 117ms 2 Sep 2024 First Prev 401–480 of 762 Next Last