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 561st DialFrost 🇸🇬 622 111 1ms 22 Nov 2024 562nd albanian-laundromat 621 69 1,006ms 12 Sep 2025 563rd KrausRaus 🇺🇸 621 114 12ms 1 Sep 2024 563rd snoozingnewt 🇨🇦 621 114 10ms 12 Oct 2025 565th madex 🇩🇪 618 101 10ms 1 Sep 2024 565th RedzGoose 🇦🇺 618 101 10ms 15 Oct 2024 567th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 568th Andrey-Plotnikov 616 115 9ms 30 Sep 2025 569th aliakseikalosha 616 144 456ms 5 Sep 2024 570th sciencejiho 612 102 9ms 13 Sep 2024 570th Papushkado 612 102 10ms 10 Nov 2025 570th TheSecondComing123 612 102 10ms 4 Feb 2026 573rd Natanaelel 🇸🇪 611 112 14ms 15 May 2025 574th BambooleanLogic 🇸🇪 611 116 9ms 19 Nov 2024 574th acollett89 611 116 10ms 4 Aug 2025 576th Shanethegamer 🇺🇸 610 102 2,318ms 25 Oct 2024 576th dokutan 610 102 2,323ms 26 Oct 2024 578th julian-hoelz 606 103 10ms 16 Sep 2024 578th StefanHabel 🇨🇦 606 103 94ms 22 Mar 2025 580th CaedenHarper 🇨🇦 603 71 1,071ms 27 Sep 2025 581st Shanethegamer 🇺🇸 603 134 425ms 1 Sep 2024 582nd dokutan 603 147 421ms 3 Nov 2024 583rd dokutan 602 76 1,264ms 3 Sep 2024 584th Arkadios200 602 132 98ms 11 Oct 2025 585th ComputerKWasTaken 🇺🇸 601 104 10ms 2 Sep 2024 585th elgan65536 🇺🇸 601 104 9ms 23 Sep 2024 585th NickTheEASDude 🇺🇸 601 104 10ms 7 Oct 2025 588th inventshah 599 150 2ms 1 Sep 2024 589th mousetail 🇳🇱 597 105 4ms 3 Sep 2024 590th h3ra993huskp 🇯🇵 597 163 741ms 30 Nov 2025 591st CaedenHarper 🇨🇦 595 149 449ms 16 Oct 2025 592nd Shanethegamer 🇺🇸 595 177 45ms 4 Sep 2024 593rd KatieLG 🇬🇧 594 77 1,342ms 1 Sep 2024 594th BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 595th msbranicky 589 86 182ms 16 Sep 2024 596th CutSandstone 589 106 12ms 21 Dec 2024 597th KatieLG 🇬🇧 589 135 97ms 21 Nov 2025 598th luuumine 🇫🇷 588 204 207ms 18 Nov 2025 599th DialFrost 🇸🇬 586 107 5ms 1 Sep 2024 600th Shanethegamer 🇺🇸 586 120 7ms 2 Sep 2024 601st cbrt-x 585 151 121ms 11 Sep 2024 602nd galloj 🇨🇿 584 107 10ms 4 Sep 2024 602nd jared-hughes 584 107 10ms 10 Sep 2024 602nd nstearns96 🇬🇧 584 107 9ms 13 Nov 2024 602nd brochmann 🇸🇪 584 107 9ms 16 Oct 2025 606th snoozingnewt 🇨🇦 582 226 281ms 1 Sep 2024 607th GeorgeStechman 🇬🇧 581 122 10ms 5 Nov 2024 607th gigaprofisi 🇺🇸 581 122 9ms 10 Aug 2025 609th muser-logiccpu 🇺🇦 580 119 2ms 23 Jul 2025 610th JesseNoEyes 🇺🇸 578 108 10ms 30 Sep 2024 611th xyangst 576 123 10ms 15 Oct 2024 612th JohandeRuiter 🇳🇱 576 156 2ms 2 Sep 2024 613th RedzGoose 🇦🇺 575 101 424ms 15 Oct 2024 614th Mabeloid 🇳🇴 573 109 10ms 1 Sep 2024 614th MassimoParisi 573 109 10ms 18 Sep 2024 614th klixel 🇨🇦 573 109 9ms 21 Sep 2024 614th NotNoper 573 109 10ms 29 Oct 2024 614th za3k 573 109 10ms 15 Jul 2025 619th vhoulbreque 🇫🇷 573 146 196ms 11 Nov 2025 620th dokutan 571 75 973ms 29 Aug 2025 621st Andrey2001 568 110 10ms 31 Jan 2026 622nd TeodorDyakov 🇧🇬 565 159 2ms 6 Sep 2025 623rd TheZwierzLF 🇵🇱 564 75 36ms 27 Dec 2025 624th aksyristos 563 111 10ms 1 Sep 2024 624th AstroOrbis 563 111 10ms 30 Jun 2025 626th emgordon154 563 113 111ms 4 Dec 2025 627th tomh1012 562 126 10ms 18 Sep 2025 628th MostParsingVex 562 160 33ms 30 Sep 2024 629th dokutan 561 132 3ms 1 Sep 2024 630th RedzGoose 🇦🇺 557 145 113ms 9 Sep 2024 631st emgordon154 554 138 11ms 1 Jan 2025 632nd msbranicky 548 135 3ms 1 Sep 2024 633rd HumanoidCPU 547 110 146ms 22 Nov 2025 634th Yewzir 🇧🇪 543 115 11ms 1 Dec 2025 635th Shanethegamer 🇺🇸 541 107 83ms 1 Sep 2024 636th DialFrost 🇸🇬 539 76 1,023ms 1 Aug 2025 637th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 638th dokutan 539 155 242ms 1 Sep 2024 639th Shanethegamer 🇺🇸 538 91 22ms 1 Sep 2024 640th LeoCh01 538 116 11ms 1 Sep 2024 First Prev 561–640 of 761 Next Last