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 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 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 451st mousetail 🇳🇱 664 94 11ms 1 Sep 2024 451st ljweel 664 94 9ms 12 Sep 2024 451st jtaxen 664 94 10ms 26 Sep 2024 454th edsrzf 🇳🇿 663 104 2ms 22 May 2025 455th GolfingSuccess 🇬🇷 662 162 388ms 1 Sep 2024 455th ovs-code 🇩🇪 662 162 2,447ms 1 Sep 2024 457th Shanethegamer 🇺🇸 661 91 139ms 5 Sep 2024 458th kg583 🇺🇸 661 106 8ms 26 Sep 2025 459th Maznek 661 107 9ms 8 Oct 2024 460th DialFrost 🇸🇬 661 181 209ms 12 Apr 2025 460th error256 661 181 187ms 22 May 2025 462nd dokutan 659 64 34ms 23 Feb 2025 463rd msbranicky 657 95 9ms 1 Sep 2024 463rd Bulmenisaurus 657 95 11ms 4 Sep 2024 463rd btjones0 657 95 9ms 13 Sep 2024 463rd jfallon1997 657 95 10ms 26 Sep 2024 463rd jacekwladzinski 657 95 9ms 7 Oct 2025 463rd aalec 657 95 10ms 17 days ago 469th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 470th msbranicky 656 136 3ms 1 Sep 2024 471st msbranicky 655 95 1,996ms 8 Jan 2025 472nd Shanethegamer 🇺🇸 655 135 377ms 1 Sep 2024 473rd albanian-laundromat 655 189 51ms 14 Sep 2025 474th lukechampine 655 200 262ms 7 Jun 2025 474th jerrandolph 655 200 248ms 21 Sep 2025 476th fgrosshans 🇫🇷 650 96 9ms 1 Sep 2024 476th mm1013g 650 96 9ms 2 Sep 2024 476th Mikey-Beep 🇬🇧 650 96 9ms 2 Sep 2024 476th JudeTyrrell 650 96 9ms 22 Sep 2024 480th TFeld00 🇩🇰 649 65 36ms 3 Sep 2024 481st ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 482nd voytxt 🇨🇿 647 93 138ms 17 Apr 2025 483rd msbranicky 646 203 249ms 1 Sep 2024 484th error256 645 106 18ms 18 Apr 2025 485th Waffle3z 645 107 2ms 2 Oct 2024 486th stefangimmillaro 643 71 961ms 3 Sep 2024 487th scpchicken 🇵🇼 643 97 237ms 8 Sep 2024 487th Carlettos1 643 97 12ms 14 Sep 2024 489th mrxz 🇳🇱 643 110 9ms 22 Sep 2024 489th weliveinhell 🇭🇹 643 110 9ms 28 Sep 2024 491st BlankSpruce 641 140 2ms 1 Sep 2024 492nd aDwarfNamedUrist 638 138 135ms 4 Sep 2024 493rd stefangimmillaro 638 151 342ms 6 Oct 2025 494th SirBogman 🇺🇸 637 73 296ms 23 Jul 2025 495th pickerj 636 98 10ms 13 Sep 2024 495th dtbao20 🇻🇳 636 98 16ms 30 Sep 2024 495th YAJUE114514 636 98 13ms 30 Jul 2025 498th stefangimmillaro 636 188 206ms 4 Jun 2025 499th emgordon154 635 40 3ms 6 days ago 500th Shanethegamer 🇺🇸 634 72 1,020ms 1 Sep 2024 500th anter69 🇭🇺 634 72 997ms 25 Oct 2024 502nd Ripick 633 127 349ms 6 Sep 2024 503rd CaedenHarper 🇨🇦 632 112 9ms 22 Aug 2025 504th olleicua 🇺🇸 630 67 37ms 6 Sep 2024 505th alexeldridge 630 99 10ms 14 Sep 2024 505th Just4FunCoder 630 99 9ms 14 Sep 2025 505th 0xjac 🇨🇭 630 99 10ms 2 days ago 508th BalaM314 626 113 10ms 4 Feb 2025 509th Kacarott 🇦🇺 624 100 10ms 3 Sep 2024 510th cthierfelder 🇲🇨 624 193 65ms 5 Sep 2025 511th SirBogman 🇺🇸 622 59 119ms 23 Jul 2025 512th DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 513th KrausRaus 🇺🇸 621 114 11ms 1 Sep 2024 513th snoozingnewt 🇺🇸 621 114 10ms 12 Oct 2025 515th Shanethegamer 🇺🇸 620 68 35ms 1 Sep 2024 515th emgordon154 620 68 36ms 1 Sep 2024 515th rvs314 620 68 36ms 24 Sep 2024 518th MeWhenI 🇻🇦 619 86 668ms 15 Sep 2025 519th madex 🇩🇪 618 101 10ms 1 Sep 2024 519th RedzGoose 🇦🇺 618 101 9ms 15 Oct 2024 519th Flekay 🇩🇪 618 101 9ms 10 Jul 2025 522nd lifthrasiir 🇰🇷 618 227 47ms 11 Dec 2024 523rd Andrey-Plotnikov 615 115 10ms 30 Sep 2025 524th aliakseikalosha 614 144 346ms 5 Sep 2024 525th sciencejiho 612 102 9ms 13 Sep 2024 First Prev 451–525 of 693 Next Last