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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 480th error256 663 181 184ms 22 May 2025 482nd Maznek 662 107 9ms 8 Oct 2024 483rd Shanethegamer 🇺🇸 661 91 147ms 5 Sep 2024 484th dokutan 660 64 36ms 23 Feb 2025 485th GolfingSuccess 🇬🇷 660 162 407ms 1 Sep 2024 485th ovs-code 🇩🇪 660 162 2,413ms 1 Sep 2024 487th msbranicky 657 95 10ms 1 Sep 2024 487th Bulmenisaurus 657 95 13ms 4 Sep 2024 487th btjones0 657 95 10ms 13 Sep 2024 487th jfallon1997 657 95 11ms 26 Sep 2024 487th jacekwladzinski 657 95 10ms 7 Oct 2025 487th aalec 657 95 10ms 8 Nov 2025 493rd NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 494th Shanethegamer 🇺🇸 657 135 435ms 1 Sep 2024 495th msbranicky 656 136 3ms 1 Sep 2024 496th msbranicky 655 95 3,053ms 8 Jan 2025 497th albanian-laundromat 655 189 44ms 14 Sep 2025 498th lukechampine 655 200 279ms 7 Jun 2025 498th jerrandolph 655 200 288ms 21 Sep 2025 500th TFeld00 🇩🇰 650 65 35ms 3 Sep 2024 501st fgrosshans 🇫🇷 650 96 10ms 1 Sep 2024 501st mm1013g 650 96 11ms 2 Sep 2024 501st Mikey-Beep 🇬🇧 650 96 12ms 2 Sep 2024 501st JudeTyrrell 650 96 10ms 22 Sep 2024 505th ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 506th voytxt 🇨🇿 647 93 129ms 17 Apr 2025 507th Shanethegamer 🇺🇸 647 206 30ms 4 Sep 2024 508th AlephSquirrel 647 248 3ms 29 Sep 2024 509th msbranicky 646 203 300ms 1 Sep 2024 510th stefangimmillaro 645 71 1,320ms 3 Sep 2024 511th Waffle3z 645 107 2ms 2 Oct 2024 512th scpchicken 🇵🇼 644 97 244ms 8 Sep 2024 512th Carlettos1 644 97 12ms 14 Sep 2024 514th mrxz 🇳🇱 643 110 10ms 22 Sep 2024 514th weliveinhell 🇭🇹 643 110 10ms 28 Sep 2024 516th BlankSpruce 642 140 2ms 1 Sep 2024 517th stefangimmillaro 642 151 494ms 6 Oct 2025 518th emgordon154 639 113 104ms 4 Dec 2025 519th aDwarfNamedUrist 639 138 119ms 4 Sep 2024 520th stefangimmillaro 638 188 207ms 4 Jun 2025 521st SirBogman 🇺🇸 637 73 311ms 23 Jul 2025 522nd pickerj 637 98 12ms 13 Sep 2024 522nd dtbao20 🇻🇳 637 98 18ms 30 Sep 2024 522nd YAJUE114514 637 98 10ms 30 Jul 2025 525th Shanethegamer 🇺🇸 636 72 1,301ms 1 Sep 2024 525th anter69 🇭🇺 636 72 1,291ms 25 Oct 2024 527th Ripick 636 127 392ms 6 Sep 2024 528th emgordon154 635 40 3ms 20 Nov 2025 529th weeble 634 77 8ms 21 Dec 2025 530th CaedenHarper 🇨🇦 632 112 10ms 22 Aug 2025 531st olleicua 🇺🇸 631 67 39ms 6 Sep 2024 532nd alexeldridge 631 99 11ms 14 Sep 2024 532nd Just4FunCoder 631 99 10ms 14 Sep 2025 532nd 0xjac 🇨🇭 631 99 11ms 24 Nov 2025 535th cthierfelder 🇲🇨 630 193 77ms 5 Sep 2025 536th BalaM314 626 113 9ms 4 Feb 2025 537th kmathis22 626 155 496ms 14 Dec 2025 538th SirBogman 🇺🇸 624 59 120ms 23 Jul 2025 539th Kacarott 🇦🇺 624 100 10ms 3 Sep 2024 540th DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 541st Shanethegamer 🇺🇸 621 68 36ms 1 Sep 2024 541st emgordon154 621 68 39ms 1 Sep 2024 541st rvs314 621 68 38ms 24 Sep 2024 544th albanian-laundromat 621 69 1,006ms 12 Sep 2025 545th KrausRaus 🇺🇸 621 114 11ms 1 Sep 2024 545th snoozingnewt 🇨🇦 621 114 9ms 12 Oct 2025 547th madex 🇩🇪 618 101 10ms 1 Sep 2024 547th RedzGoose 🇦🇺 618 101 10ms 15 Oct 2024 547th Flekay 🇩🇪 618 101 10ms 10 Jul 2025 550th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 551st aliakseikalosha 616 144 456ms 5 Sep 2024 552nd Andrey-Plotnikov 615 115 10ms 30 Sep 2025 553rd sciencejiho 612 102 11ms 13 Sep 2024 553rd Papushkado 612 102 11ms 10 Nov 2025 553rd TheSecondComing123 612 102 11ms 17 hours ago 556th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 557th Shanethegamer 🇺🇸 610 102 3,106ms 25 Oct 2024 557th dokutan 610 102 3,094ms 26 Oct 2024 559th BambooleanLogic 🇸🇪 610 116 9ms 19 Nov 2024 559th acollett89 610 116 10ms 4 Aug 2025 First Prev 481–560 of 734 Next Last