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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 561st Shanethegamer 🇺🇸 622 68 37ms 1 Sep 2024 561st emgordon154 622 68 38ms 1 Sep 2024 561st rvs314 622 68 39ms 24 Sep 2024 564th DialFrost 🇸🇬 622 111 1ms 22 Nov 2024 565th albanian-laundromat 621 69 1,006ms 12 Sep 2025 566th KrausRaus 🇺🇸 621 114 12ms 1 Sep 2024 566th snoozingnewt 🇨🇦 621 114 11ms 12 Oct 2025 568th madex 🇩🇪 618 101 10ms 1 Sep 2024 568th RedzGoose 🇦🇺 618 101 10ms 15 Oct 2024 570th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 571st Andrey-Plotnikov 616 115 11ms 30 Sep 2025 572nd aliakseikalosha 616 144 391ms 5 Sep 2024 573rd sciencejiho 612 102 9ms 13 Sep 2024 573rd Shanethegamer 🇺🇸 612 102 4,013ms 25 Oct 2024 573rd dokutan 612 102 4,426ms 26 Oct 2024 573rd Papushkado 612 102 10ms 10 Nov 2025 573rd TheSecondComing123 612 102 10ms 4 Feb 2026 578th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 579th BambooleanLogic 🇸🇪 611 116 9ms 19 Nov 2024 579th acollett89 611 116 9ms 4 Aug 2025 581st julian-hoelz 606 103 10ms 16 Sep 2024 581st StefanHabel 🇨🇦 606 103 94ms 22 Mar 2025 583rd CaedenHarper 🇨🇦 603 71 1,071ms 27 Sep 2025 584th Shanethegamer 🇺🇸 603 134 415ms 1 Sep 2024 585th dokutan 603 147 411ms 3 Nov 2024 586th dokutan 602 76 1,264ms 3 Sep 2024 587th Arkadios200 602 132 98ms 11 Oct 2025 588th ComputerKWasTaken 🇺🇸 601 104 10ms 2 Sep 2024 588th elgan65536 🇺🇸 601 104 9ms 23 Sep 2024 588th NickTheEASDude 🇺🇸 601 104 10ms 7 Oct 2025 591st inventshah 599 150 2ms 1 Sep 2024 592nd mousetail 🇳🇱 597 105 5ms 3 Sep 2024 593rd h3ra993huskp 🇯🇵 597 163 741ms 30 Nov 2025 594th CaedenHarper 🇨🇦 595 149 429ms 16 Oct 2025 595th Shanethegamer 🇺🇸 595 177 45ms 4 Sep 2024 596th KatieLG 🇬🇧 594 77 1,342ms 1 Sep 2024 597th BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 598th msbranicky 589 86 182ms 16 Sep 2024 599th CutSandstone 589 106 12ms 21 Dec 2024 600th KatieLG 🇬🇧 589 135 97ms 21 Nov 2025 601st luuumine 🇫🇷 588 204 204ms 18 Nov 2025 602nd DialFrost 🇸🇬 586 107 6ms 1 Sep 2024 603rd Shanethegamer 🇺🇸 586 120 8ms 2 Sep 2024 604th cbrt-x 585 151 121ms 11 Sep 2024 605th galloj 🇨🇿 584 107 10ms 4 Sep 2024 605th jared-hughes 584 107 10ms 10 Sep 2024 605th nstearns96 🇬🇧 584 107 9ms 13 Nov 2024 605th brochmann 🇸🇪 584 107 9ms 16 Oct 2025 609th snoozingnewt 🇨🇦 582 226 281ms 1 Sep 2024 610th GeorgeStechman 🇬🇧 581 122 11ms 5 Nov 2024 610th gigaprofisi 🇺🇸 581 122 11ms 10 Aug 2025 612th muser-logiccpu 🇺🇦 580 119 2ms 23 Jul 2025 613th JesseNoEyes 🇺🇸 578 108 10ms 30 Sep 2024 614th RedzGoose 🇦🇺 576 101 424ms 15 Oct 2024 615th xyangst 576 123 10ms 15 Oct 2024 616th JohandeRuiter 🇳🇱 576 156 2ms 2 Sep 2024 617th Mabeloid 🇳🇴 573 109 10ms 1 Sep 2024 617th MassimoParisi 573 109 10ms 18 Sep 2024 617th klixel 🇨🇦 573 109 9ms 21 Sep 2024 617th NotNoper 573 109 10ms 29 Oct 2024 617th za3k 573 109 10ms 15 Jul 2025 622nd vhoulbreque 🇫🇷 573 146 196ms 11 Nov 2025 623rd dokutan 571 75 973ms 29 Aug 2025 624th Andrey2001 568 110 10ms 31 Jan 2026 625th TeodorDyakov 🇧🇬 565 159 2ms 6 Sep 2025 626th TheZwierzLF 🇵🇱 564 75 38ms 27 Dec 2025 627th aksyristos 563 111 10ms 1 Sep 2024 627th AstroOrbis 563 111 10ms 30 Jun 2025 629th emgordon154 563 113 111ms 4 Dec 2025 630th tomh1012 562 126 10ms 18 Sep 2025 631st MostParsingVex 562 160 33ms 30 Sep 2024 632nd dokutan 561 132 3ms 1 Sep 2024 633rd RedzGoose 🇦🇺 557 145 125ms 9 Sep 2024 634th emgordon154 554 138 11ms 1 Jan 2025 635th msbranicky 548 135 3ms 1 Sep 2024 636th HumanoidCPU 547 110 196ms 22 Nov 2025 637th Yewzir 🇧🇪 543 115 11ms 1 Dec 2025 638th Shanethegamer 🇺🇸 541 107 85ms 1 Sep 2024 639th DialFrost 🇸🇬 539 76 1,023ms 1 Aug 2025 640th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 First Prev 561–640 of 765 Next Last