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 smiksky 🇺🇸 671 93 11ms 16 Oct 2024 480th guilhem-roy 🇫🇷 671 93 13ms 31 May 2025 483rd madeforlosers 668 106 10ms 23 Oct 2024 484th chunes3 🇺🇸 668 112 64ms 1 Sep 2024 485th prestosilver 🇺🇸 668 121 435ms 8 days ago 486th Steffan153 🇫🇮 666 87 74ms 38 hours ago 487th mousetail 🇳🇱 664 94 12ms 1 Sep 2024 487th ljweel 664 94 10ms 12 Sep 2024 489th DialFrost 🇸🇬 663 181 203ms 12 Apr 2025 490th Maznek 662 107 9ms 8 Oct 2024 491st dokutan 661 64 36ms 23 Feb 2025 492nd Shanethegamer 🇺🇸 661 91 147ms 5 Sep 2024 493rd GolfingSuccess 🇬🇷 660 162 407ms 1 Sep 2024 493rd ovs-code 🇩🇪 660 162 2,413ms 1 Sep 2024 495th msbranicky 657 95 10ms 1 Sep 2024 495th Bulmenisaurus 657 95 13ms 4 Sep 2024 495th btjones0 657 95 10ms 13 Sep 2024 495th jfallon1997 657 95 11ms 26 Sep 2024 495th jacekwladzinski 657 95 10ms 7 Oct 2025 495th aalec 657 95 10ms 8 Nov 2025 501st NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 502nd Shanethegamer 🇺🇸 657 135 435ms 1 Sep 2024 503rd msbranicky 656 136 3ms 1 Sep 2024 504th msbranicky 655 95 2,221ms 8 Jan 2025 505th albanian-laundromat 655 189 44ms 14 Sep 2025 506th lukechampine 655 200 286ms 7 Jun 2025 506th jerrandolph 655 200 287ms 21 Sep 2025 508th TFeld00 🇩🇰 651 65 35ms 3 Sep 2024 509th fgrosshans 🇫🇷 650 96 10ms 1 Sep 2024 509th mm1013g 650 96 11ms 2 Sep 2024 509th Mikey-Beep 🇬🇧 650 96 12ms 2 Sep 2024 509th JudeTyrrell 650 96 10ms 22 Sep 2024 513th ShiraJoseph 🇺🇸 650 109 9ms 22 Sep 2024 514th voytxt 🇨🇿 647 93 129ms 17 Apr 2025 515th Shanethegamer 🇺🇸 647 206 30ms 4 Sep 2024 516th AlephSquirrel 647 248 3ms 29 Sep 2024 517th msbranicky 646 203 294ms 1 Sep 2024 518th stefangimmillaro 645 71 1,320ms 3 Sep 2024 519th Waffle3z 645 107 2ms 2 Oct 2024 520th scpchicken 🇵🇼 644 97 244ms 8 Sep 2024 520th Carlettos1 644 97 12ms 14 Sep 2024 522nd mrxz 🇳🇱 644 110 10ms 22 Sep 2024 522nd weliveinhell 🇭🇹 644 110 9ms 28 Sep 2024 524th stefangimmillaro 644 151 494ms 6 Oct 2025 525th BlankSpruce 642 140 2ms 1 Sep 2024 526th emgordon154 639 113 104ms 4 Dec 2025 527th aDwarfNamedUrist 639 138 119ms 4 Sep 2024 528th stefangimmillaro 638 188 207ms 4 Jun 2025 529th SirBogman 🇺🇸 637 73 311ms 23 Jul 2025 530th pickerj 637 98 12ms 13 Sep 2024 530th dtbao20 🇻🇳 637 98 18ms 30 Sep 2024 530th YAJUE114514 637 98 10ms 30 Jul 2025 533rd Shanethegamer 🇺🇸 636 72 1,301ms 1 Sep 2024 533rd anter69 🇭🇺 636 72 1,291ms 25 Oct 2024 535th weeble 636 77 8ms 21 Dec 2025 536th Ripick 636 127 392ms 6 Sep 2024 537th emgordon154 635 40 3ms 20 Nov 2025 538th CaedenHarper 🇨🇦 632 112 9ms 22 Aug 2025 539th olleicua 🇺🇸 631 67 39ms 6 Sep 2024 540th alexeldridge 631 99 11ms 14 Sep 2024 540th Just4FunCoder 631 99 10ms 14 Sep 2025 540th 0xjac 🇨🇭 631 99 11ms 24 Nov 2025 543rd cthierfelder 🇲🇨 630 193 77ms 5 Sep 2025 544th BalaM314 627 113 9ms 4 Feb 2025 545th kmathis22 627 155 496ms 14 Dec 2025 546th SirBogman 🇺🇸 626 59 120ms 23 Jul 2025 547th Kacarott 🇦🇺 624 100 10ms 3 Sep 2024 548th Shanethegamer 🇺🇸 622 68 36ms 1 Sep 2024 548th emgordon154 622 68 39ms 1 Sep 2024 548th rvs314 622 68 38ms 24 Sep 2024 551st DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 552nd albanian-laundromat 621 69 1,006ms 12 Sep 2025 553rd KrausRaus 🇺🇸 621 114 11ms 1 Sep 2024 553rd snoozingnewt 🇨🇦 621 114 9ms 12 Oct 2025 555th madex 🇩🇪 618 101 10ms 1 Sep 2024 555th RedzGoose 🇦🇺 618 101 10ms 15 Oct 2024 555th Flekay 🇩🇪 618 101 10ms 10 Jul 2025 558th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 559th Andrey-Plotnikov 616 115 8ms 30 Sep 2025 560th aliakseikalosha 616 144 456ms 5 Sep 2024 First Prev 481–560 of 742 Next Last