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 461st flekAI 687 91 11ms 3 days ago 482nd MeWhenI 🇻🇦 686 88 142ms 1 Sep 2024 482nd error256 686 88 148ms 10 Sep 2024 484th MeWhenI 🇻🇦 684 117 115ms 2 Sep 2024 484th stefangimmillaro 684 117 102ms 2 Sep 2024 486th dokutan 684 156 42ms 1 Sep 2024 487th DialFrost 🇸🇬 683 62 36ms 30 Jan 2025 487th KatieLG 🇬🇧 683 62 38ms 2 Oct 2025 489th error256 683 63 1,008ms 20 Dec 2025 490th olleicua 🇺🇸 682 104 10ms 11 Sep 2024 491st madex 🇩🇪 681 177 229ms 17 Sep 2024 492nd BlankSpruce 680 158 61ms 1 Sep 2024 493rd fourth-bit 679 92 9ms 4 Sep 2024 493rd bnic24 679 92 10ms 5 Sep 2024 495th dcgjb 674 69 297ms 11 Sep 2024 496th alicethecatwhisperermeow 674 132 464ms 14 Sep 2024 497th stefangimmillaro 673 63 35ms 2 Sep 2024 497th SirBogman 🇺🇸 673 63 36ms 5 Sep 2024 499th adamnielson42 🇺🇸 672 93 13ms 7 Oct 2024 499th smiksky 🇺🇸 672 93 10ms 16 Oct 2024 499th guilhem-roy 🇫🇷 672 93 10ms 31 May 2025 502nd madeforlosers 669 106 11ms 23 Oct 2024 503rd chunes3 🇺🇸 668 112 64ms 1 Sep 2024 504th snoozingnewt 🇨🇦 668 194 44ms 3 days ago 505th DialFrost 🇸🇬 666 96 99ms 28 Nov 2025 506th DialFrost 🇸🇬 666 181 205ms 12 Apr 2025 507th mousetail 🇳🇱 665 94 13ms 1 Sep 2024 507th ljweel 665 94 11ms 12 Sep 2024 509th Shanethegamer 🇺🇸 663 91 153ms 5 Sep 2024 510th GolfingSuccess 🇬🇷 663 162 444ms 1 Sep 2024 510th ovs-code 🇩🇪 663 162 2,827ms 1 Sep 2024 512th dokutan 662 64 39ms 23 Feb 2025 513th albanian-laundromat 🇺🇸 662 189 44ms 14 Sep 2025 514th lukechampine 661 200 342ms 7 Jun 2025 514th jerrandolph 661 200 334ms 21 Sep 2025 516th NickTheEASDude 🇺🇸 660 105 2ms 7 Oct 2025 517th msbranicky 660 136 3ms 1 Sep 2024 518th m-tkach 🇺🇦 660 169 29ms 9 Feb 2026 519th msbranicky 659 95 2,276ms 8 Jan 2025 520th Shanethegamer 🇺🇸 659 135 445ms 1 Sep 2024 521st msbranicky 658 95 11ms 1 Sep 2024 521st Bulmenisaurus 658 95 12ms 4 Sep 2024 521st btjones0 658 95 10ms 13 Sep 2024 521st jfallon1997 658 95 10ms 26 Sep 2024 521st jacekwladzinski 658 95 10ms 7 Oct 2025 521st aalec 658 95 10ms 8 Nov 2025 527th jusaka 655 89 423ms 18 mins ago 528th TFeld00 🇩🇰 652 65 34ms 3 Sep 2024 529th dokutan 652 78 210ms 3 Sep 2024 530th fgrosshans 🇫🇷 651 96 10ms 1 Sep 2024 530th mm1013g 651 96 12ms 2 Sep 2024 530th Mikey-Beep 🇬🇧 651 96 10ms 2 Sep 2024 530th JudeTyrrell 651 96 13ms 22 Sep 2024 534th ShiraJoseph 🇺🇸 651 109 10ms 22 Sep 2024 535th msbranicky 651 203 333ms 1 Sep 2024 536th voytxt 🇨🇿 649 93 162ms 17 Apr 2025 537th stefangimmillaro 647 71 1,320ms 3 Sep 2024 538th Waffle3z 647 107 2ms 2 Oct 2024 539th stefangimmillaro 647 151 494ms 6 Oct 2025 540th AlephSquirrel 647 248 3ms 29 Sep 2024 541st Chinay-Domitrix 🇺🇸 645 97 2,358ms 14 Mar 2026 542nd mrxz 🇳🇱 645 110 11ms 22 Sep 2024 542nd weliveinhell 🇭🇹 645 110 10ms 28 Sep 2024 544th BlankSpruce 645 140 2ms 1 Sep 2024 545th Carlettos1 644 97 13ms 14 Sep 2024 546th Ripick 642 127 387ms 6 Sep 2024 547th stefangimmillaro 641 188 215ms 4 Jun 2025 548th flekAI 640 91 436ms 3 days ago 549th aDwarfNamedUrist 640 138 118ms 4 Sep 2024 550th Shanethegamer 🇺🇸 638 72 1,301ms 1 Sep 2024 550th anter69 🇭🇺 638 72 1,291ms 25 Oct 2024 552nd pickerj 638 98 12ms 13 Sep 2024 552nd dtbao20 🇻🇳 638 98 22ms 30 Sep 2024 552nd YAJUE114514 638 98 10ms 30 Jul 2025 552nd netfri25 🇮🇱 638 98 10ms 22 Feb 2026 552nd rotemkm 638 98 11ms 22 Feb 2026 557th cthierfelder 🇲🇨 638 193 75ms 5 Sep 2025 558th SirBogman 🇺🇸 637 73 284ms 23 Jul 2025 559th weeble 637 77 7ms 21 Dec 2025 560th CaedenHarper 🇨🇦 633 112 11ms 22 Aug 2025 First Prev 481–560 of 854 Next Last