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 Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 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 560th madex 🇩🇪 632 67 35ms 24 days ago 562nd alexeldridge 631 99 14ms 14 Sep 2024 562nd Just4FunCoder 631 99 10ms 14 Sep 2025 562nd 0xjac 🇨🇭 631 99 11ms 24 Nov 2025 565th cthierfelder 🇲🇨 630 193 75ms 5 Sep 2025 566th kmathis22 628 155 496ms 14 Dec 2025 567th BalaM314 627 113 9ms 4 Feb 2025 567th Program-Pi 627 113 9ms 26 Feb 2026 569th SirBogman 🇺🇸 626 59 140ms 23 Jul 2025 570th Kacarott 🇦🇺 625 100 10ms 3 Sep 2024 571st Shanethegamer 🇺🇸 622 68 37ms 1 Sep 2024 571st emgordon154 622 68 37ms 1 Sep 2024 571st rvs314 622 68 39ms 24 Sep 2024 574th DialFrost 🇸🇬 622 111 1ms 22 Nov 2024 575th albanian-laundromat 🇺🇸 621 69 1,133ms 12 Sep 2025 576th KrausRaus 🇺🇸 621 114 12ms 1 Sep 2024 576th snoozingnewt 🇨🇦 621 114 10ms 12 Oct 2025 578th madex 🇩🇪 619 101 11ms 1 Sep 2024 578th RedzGoose 🇦🇺 619 101 11ms 15 Oct 2024 580th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 581st Andrey-Plotnikov 616 115 9ms 30 Sep 2025 582nd aliakseikalosha 616 144 391ms 5 Sep 2024 583rd sciencejiho 612 102 11ms 13 Sep 2024 583rd Shanethegamer 🇺🇸 612 102 2,369ms 25 Oct 2024 583rd dokutan 612 102 2,426ms 26 Oct 2024 583rd Papushkado 612 102 10ms 10 Nov 2025 583rd TheSecondComing123 612 102 14ms 4 Feb 2026 588th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 589th BambooleanLogic 🇸🇪 611 116 10ms 19 Nov 2024 589th acollett89 611 116 11ms 4 Aug 2025 591st julian-hoelz 607 103 11ms 16 Sep 2024 591st StefanHabel 🇨🇦 607 103 93ms 22 Mar 2025 593rd CaedenHarper 🇨🇦 603 71 1,262ms 27 Sep 2025 594th Shanethegamer 🇺🇸 603 134 415ms 1 Sep 2024 595th dokutan 603 147 390ms 3 Nov 2024 596th dokutan 602 76 1,264ms 3 Sep 2024 597th Arkadios200 602 132 104ms 11 Oct 2025 598th ComputerKWasTaken 🇺🇸 601 104 11ms 2 Sep 2024 598th elgan65536 🇺🇸 601 104 11ms 23 Sep 2024 598th NickTheEASDude 🇺🇸 601 104 10ms 7 Oct 2025 601st inventshah 599 150 2ms 1 Sep 2024 602nd mousetail 🇳🇱 597 105 5ms 3 Sep 2024 603rd emgordon154 597 128 12ms 19 days ago 604th h3ra993huskp 🇯🇵 597 163 506ms 30 Nov 2025 605th CaedenHarper 🇨🇦 595 149 407ms 16 Oct 2025 606th Shanethegamer 🇺🇸 595 177 44ms 4 Sep 2024 607th KatieLG 🇬🇧 594 77 1,342ms 1 Sep 2024 608th BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 609th luuumine 🇫🇷 591 204 209ms 18 Nov 2025 610th msbranicky 589 86 182ms 16 Sep 2024 611th CutSandstone 589 106 12ms 21 Dec 2024 612th KatieLG 🇬🇧 589 135 96ms 21 Nov 2025 613th DialFrost 🇸🇬 586 107 5ms 1 Sep 2024 614th Shanethegamer 🇺🇸 586 120 7ms 2 Sep 2024 615th cbrt-x 585 151 121ms 11 Sep 2024 616th galloj 🇨🇿 584 107 11ms 4 Sep 2024 616th jared-hughes 584 107 12ms 10 Sep 2024 616th nstearns96 🇬🇧 584 107 11ms 13 Nov 2024 616th brochmann 🇸🇪 584 107 10ms 16 Oct 2025 620th snoozingnewt 🇨🇦 582 226 326ms 1 Sep 2024 621st GeorgeStechman 🇬🇧 581 122 13ms 5 Nov 2024 621st gigaprofisi 🇺🇸 581 122 9ms 10 Aug 2025 623rd muser-logiccpu 🇺🇦 580 119 2ms 23 Jul 2025 624th JesseNoEyes 🇺🇸 578 108 11ms 30 Sep 2024 625th RedzGoose 🇦🇺 576 101 402ms 15 Oct 2024 626th xyangst 576 123 10ms 15 Oct 2024 627th JohandeRuiter 🇳🇱 576 156 2ms 2 Sep 2024 628th Mabeloid 🇳🇴 573 109 11ms 1 Sep 2024 628th MassimoParisi 573 109 12ms 18 Sep 2024 628th klixel 🇨🇦 573 109 10ms 21 Sep 2024 628th NotNoper 573 109 10ms 29 Oct 2024 628th za3k 573 109 10ms 15 Jul 2025 633rd vhoulbreque 🇫🇷 573 146 182ms 11 Nov 2025 634th dokutan 571 75 1,157ms 29 Aug 2025 635th Andrey2001 568 110 14ms 31 Jan 2026 636th dokutan 565 132 3ms 1 Sep 2024 637th TeodorDyakov 🇧🇬 565 159 2ms 6 Sep 2025 638th TheZwierzLF 🇵🇱 564 75 35ms 27 Dec 2025 639th aksyristos 563 111 13ms 1 Sep 2024 639th AstroOrbis 563 111 10ms 30 Jun 2025 First Prev 561–640 of 774 Next Last