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 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 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 Multitap Input NFA Simulator 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input NFA Simulator 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 525th snoozingnewt 🇨🇦 621 114 9ms 12 Oct 2025 527th Shanethegamer 🇺🇸 620 68 32ms 1 Sep 2024 527th emgordon154 620 68 33ms 1 Sep 2024 527th rvs314 620 68 34ms 24 Sep 2024 530th MeWhenI 🇻🇦 619 86 641ms 15 Sep 2025 531st madex 🇩🇪 618 101 14ms 1 Sep 2024 531st RedzGoose 🇦🇺 618 101 14ms 15 Oct 2024 531st Flekay 🇩🇪 618 101 13ms 10 Jul 2025 534th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 535th Andrey-Plotnikov 615 115 9ms 30 Sep 2025 536th aliakseikalosha 614 144 346ms 5 Sep 2024 537th sciencejiho 612 102 14ms 13 Sep 2024 537th Papushkado 612 102 14ms 26 days ago 539th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 540th Shanethegamer 🇺🇸 610 102 2,200ms 25 Oct 2024 540th dokutan 610 102 2,099ms 26 Oct 2024 542nd BambooleanLogic 🇸🇪 610 116 9ms 19 Nov 2024 542nd acollett89 610 116 9ms 4 Aug 2025 544th msbranicky 608 86 173ms 16 Sep 2024 545th julian-hoelz 606 103 13ms 16 Sep 2024 545th StefanHabel 🇨🇦 606 103 145ms 22 Mar 2025 547th emgordon154 606 138 10ms 1 Jan 2025 548th Arkadios200 602 132 92ms 11 Oct 2025 549th dokutan 601 76 815ms 3 Sep 2024 550th dokutan 601 147 345ms 3 Nov 2024 551st ComputerKWasTaken 🇺🇸 600 104 13ms 2 Sep 2024 551st elgan65536 600 104 13ms 23 Sep 2024 551st NickTheEASDude 🇺🇸 600 104 11ms 7 Oct 2025 554th Shanethegamer 🇺🇸 600 134 353ms 1 Sep 2024 555th inventshah 598 150 2ms 1 Sep 2024 556th Shanethegamer 🇺🇸 595 177 41ms 4 Sep 2024 557th mousetail 🇳🇱 594 105 4ms 3 Sep 2024 558th BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 559th KatieLG 🇬🇧 593 77 790ms 1 Sep 2024 560th CaedenHarper 🇨🇦 593 149 357ms 16 Oct 2025 561st h3ra993huskp 🇯🇵 591 163 361ms 6 days ago 562nd CutSandstone 589 106 17ms 21 Dec 2024 563rd KatieLG 🇬🇧 589 135 94ms 15 days ago 564th luuumine 🇫🇷 586 204 193ms 17 days ago 565th Shanethegamer 🇺🇸 584 120 7ms 2 Sep 2024 566th DialFrost 🇸🇬 583 107 4ms 1 Sep 2024 566th galloj 🇨🇿 583 107 13ms 4 Sep 2024 566th jared-hughes 583 107 14ms 10 Sep 2024 566th nstearns96 🇬🇧 583 107 12ms 13 Nov 2024 566th brochmann 🇸🇪 583 107 11ms 16 Oct 2025 571st cbrt-x 583 151 110ms 11 Sep 2024 572nd Upload-and-View 🇺🇦 580 119 2ms 23 Jul 2025 573rd GeorgeStechman 🇬🇧 580 122 10ms 5 Nov 2024 573rd gigaprofisi 🇺🇸 580 122 9ms 10 Aug 2025 575th snoozingnewt 🇨🇦 580 226 246ms 1 Sep 2024 576th JesseNoEyes 🇺🇸 578 108 13ms 30 Sep 2024 577th RedzGoose 🇦🇺 575 101 495ms 15 Oct 2024 578th xyangst 575 123 9ms 15 Oct 2024 579th JohandeRuiter 🇳🇱 575 156 2ms 2 Sep 2024 580th Mabeloid 🇳🇴 572 109 13ms 1 Sep 2024 580th MassimoParisi 572 109 13ms 18 Sep 2024 580th klixel 🇨🇦 572 109 12ms 21 Sep 2024 580th NotNoper 572 109 11ms 29 Oct 2024 580th za3k 572 109 14ms 15 Jul 2025 585th TeodorDyakov 🇧🇬 564 159 2ms 6 Sep 2025 586th aksyristos 562 111 11ms 1 Sep 2024 586th AstroOrbis 562 111 11ms 30 Jun 2025 588th tomh1012 562 126 9ms 18 Sep 2025 589th dokutan 561 132 3ms 1 Sep 2024 590th MostParsingVex 561 160 43ms 30 Sep 2024 591st RedzGoose 🇦🇺 553 145 100ms 9 Sep 2024 592nd msbranicky 548 135 3ms 1 Sep 2024 593rd HumanoidCPU 547 110 136ms 14 days ago 594th Yewzir 🇧🇪 542 115 16ms 5 days ago 595th alphafalfa 540 105 4ms 1 Nov 2024 596th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 597th Shanethegamer 🇺🇸 538 107 91ms 1 Sep 2024 598th LeoCh01 538 116 12ms 1 Sep 2024 599th Shanethegamer 🇺🇸 535 91 21ms 1 Sep 2024 600th snoozingnewt 🇨🇦 534 79 34ms 12 Oct 2025 First Prev 526–600 of 699 Next Last