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 464th mateusz-sterczewski 687 91 10ms 15 Jan 2026 464th Matter1024 🇮🇳 687 91 12ms 31 Jan 2026 464th souta-1326 687 91 11ms 19 Feb 2026 464th flekAI 687 91 11ms 10 hours ago 485th MeWhenI 🇻🇦 684 88 142ms 1 Sep 2024 485th error256 684 88 148ms 10 Sep 2024 487th DialFrost 🇸🇬 683 62 36ms 30 Jan 2025 487th KatieLG 🇬🇧 683 62 38ms 2 Oct 2025 489th error256 682 63 1,008ms 20 Dec 2025 490th olleicua 🇺🇸 682 104 10ms 11 Sep 2024 491st MeWhenI 🇻🇦 682 117 115ms 2 Sep 2024 491st stefangimmillaro 682 117 102ms 2 Sep 2024 493rd madex 🇩🇪 681 177 229ms 17 Sep 2024 494th dokutan 680 156 42ms 1 Sep 2024 495th fourth-bit 679 92 9ms 4 Sep 2024 495th bnic24 679 92 10ms 5 Sep 2024 497th BlankSpruce 678 158 61ms 1 Sep 2024 498th dcgjb 674 69 300ms 11 Sep 2024 499th alicethecatwhisperermeow 673 132 421ms 14 Sep 2024 500th stefangimmillaro 672 63 35ms 2 Sep 2024 500th SirBogman 🇺🇸 672 63 36ms 5 Sep 2024 502nd adamnielson42 🇺🇸 672 93 13ms 7 Oct 2024 502nd smiksky 🇺🇸 672 93 10ms 16 Oct 2024 502nd guilhem-roy 🇫🇷 672 93 10ms 31 May 2025 505th madeforlosers 669 106 9ms 23 Oct 2024 506th chunes3 🇺🇸 668 112 64ms 1 Sep 2024 507th DialFrost 🇸🇬 666 181 205ms 12 Apr 2025 508th mousetail 🇳🇱 665 94 13ms 1 Sep 2024 508th ljweel 665 94 11ms 12 Sep 2024 510th DialFrost 🇸🇬 663 96 99ms 28 Nov 2025 511th dokutan 662 64 39ms 23 Feb 2025 512th GolfingSuccess 🇬🇷 662 162 444ms 1 Sep 2024 512th ovs-code 🇩🇪 662 162 2,827ms 1 Sep 2024 514th snoozingnewt 🇨🇦 662 194 44ms 118 mins ago 515th Shanethegamer 🇺🇸 661 91 153ms 5 Sep 2024 516th NickTheEASDude 🇺🇸 659 105 2ms 7 Oct 2025 517th lukechampine 659 200 342ms 7 Jun 2025 517th jerrandolph 659 200 334ms 21 Sep 2025 519th msbranicky 658 95 11ms 1 Sep 2024 519th Bulmenisaurus 658 95 12ms 4 Sep 2024 519th btjones0 658 95 10ms 13 Sep 2024 519th jfallon1997 658 95 10ms 26 Sep 2024 519th jacekwladzinski 658 95 10ms 7 Oct 2025 519th aalec 658 95 10ms 8 Nov 2025 525th Shanethegamer 🇺🇸 658 135 407ms 1 Sep 2024 526th msbranicky 657 95 2,276ms 8 Jan 2025 527th msbranicky 656 136 3ms 1 Sep 2024 528th albanian-laundromat 🇺🇸 655 189 44ms 14 Sep 2025 529th m-tkach 🇺🇦 653 169 29ms 9 Feb 2026 530th TFeld00 🇩🇰 651 65 34ms 3 Sep 2024 531st dokutan 651 78 210ms 3 Sep 2024 532nd fgrosshans 🇫🇷 651 96 10ms 1 Sep 2024 532nd mm1013g 651 96 12ms 2 Sep 2024 532nd Mikey-Beep 🇬🇧 651 96 10ms 2 Sep 2024 532nd JudeTyrrell 651 96 13ms 22 Sep 2024 536th ShiraJoseph 🇺🇸 650 109 10ms 22 Sep 2024 537th msbranicky 650 203 333ms 1 Sep 2024 538th voytxt 🇨🇿 647 93 162ms 17 Apr 2025 539th AlephSquirrel 647 248 3ms 29 Sep 2024 540th stefangimmillaro 646 71 1,320ms 3 Sep 2024 541st Waffle3z 646 107 2ms 2 Oct 2024 542nd stefangimmillaro 646 151 494ms 6 Oct 2025 543rd Carlettos1 644 97 13ms 14 Sep 2024 544th mrxz 🇳🇱 644 110 10ms 22 Sep 2024 544th weliveinhell 🇭🇹 644 110 9ms 28 Sep 2024 546th BlankSpruce 644 140 2ms 1 Sep 2024 547th Chinay-Domitrix 🇺🇸 643 97 2,358ms 14 Mar 2026 548th stefangimmillaro 641 188 215ms 4 Jun 2025 549th flekAI 640 91 436ms 9 hours ago 550th aDwarfNamedUrist 640 138 118ms 4 Sep 2024 551st Ripick 639 127 387ms 6 Sep 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 Shanethegamer 🇺🇸 637 72 1,301ms 1 Sep 2024 557th anter69 🇭🇺 637 72 1,291ms 25 Oct 2024 559th SirBogman 🇺🇸 637 73 303ms 23 Jul 2025 560th weeble 636 77 7ms 21 Dec 2025 First Prev 481–560 of 806 Next Last