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 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 240th dokutan 831 70 393ms 26 days ago 242nd MeWhenI 🇻🇦 830 45 3ms 1 Sep 2024 243rd ovs-code 🇩🇪 830 61 252ms 1 Sep 2024 244th emgordon154 829 59 9ms 15 Nov 2024 245th MeWhenI 🇻🇦 829 75 2,185ms 24 Oct 2024 245th duckyluuk 🇳🇱 829 75 2,222ms 25 Oct 2024 247th emplv 🇱🇻 827 159 281ms 18 Sep 2024 248th MeWhenI 🇻🇦 825 98 401ms 2 Sep 2024 249th duckyluuk 🇳🇱 824 86 9ms 1 Sep 2024 250th error256 824 98 140ms 12 Feb 2026 251st CLOStrophobic 🇮🇹 824 108 6ms 19 Feb 2025 252nd o0BlackDragon0o 822 76 12ms 8 Sep 2024 252nd Bombalech 822 76 13ms 8 Sep 2024 252nd JunkIce 822 76 10ms 24 Nov 2024 255th rak1507 🇬🇧 819 31 3ms 11 Sep 2024 256th KatieLG 🇬🇧 819 71 373ms 28 Oct 2024 256th GolfingSuccess 🇬🇷 819 71 394ms 14 hours ago 258th sean-niemann 🇺🇸 819 151 84ms 16 Jan 2025 259th JayXon 🇺🇸 818 243 1,867ms 10 Jul 2025 260th GrayJoKing 🇦🇺 817 108 8ms 5 days ago 261st edsrzf 🇳🇿 817 163 30ms 2 Feb 2026 262nd AlephSquirrel 816 109 6ms 18 Feb 2025 263rd canissimia 🇦🇶 816 116 13ms 4 Sep 2024 264th m-tkach 🇺🇦 816 170 658ms 15 Jan 2025 265th error256 815 77 4ms 1 Sep 2024 266th RyanMHsiao 815 244 1,916ms 25 Sep 2024 267th GrayJoKing 🇦🇺 814 84 14ms 1 Sep 2024 267th annaproxy 814 84 17ms 22 Oct 2024 269th tomtheisen 🇺🇸 814 109 437ms 8 Nov 2024 270th ovs-code 🇩🇪 813 52 39ms 1 Sep 2024 271st error256 810 150 27ms 5 May 2025 272nd MostParsingVex 809 153 43ms 3 Oct 2024 273rd primo-ppcg 🇹🇭 809 232 145ms 1 Dec 2025 274th error256 808 87 5ms 16 Apr 2025 274th edsrzf 🇳🇿 808 87 6ms 1 Dec 2025 276th SirBogman 🇺🇸 806 155 44ms 3 Sep 2024 277th MeWhenI 🇻🇦 805 157 14ms 7 Sep 2024 278th GolfingSuccess 🇬🇷 805 210 1,471ms 8 Feb 2025 279th ovs-code 🇩🇪 802 175 9ms 30 Sep 2024 280th emgordon154 801 211 1,474ms 24 Jan 2025 281st MeWhenI 🇻🇦 800 101 130ms 3 Sep 2024 282nd MeWhenI 🇻🇦 799 50 3ms 1 Sep 2024 282nd retrohun 799 50 3ms 9 Mar 2025 284th namelessiw 799 111 398ms 22 Apr 2025 285th albanian-laundromat 798 201 4ms 23 Jan 2026 286th nwellnhof 🇩🇪 797 134 478ms 2 Sep 2024 286th tailorspy 797 134 614ms 16 Sep 2024 288th DialFrost 🇸🇬 796 94 95ms 17 Mar 2025 289th pardouin 🇫🇷 794 73 82ms 3 Sep 2024 289th Steffan153 🇫🇮 794 73 78ms 19 days ago 291st kg583 🇺🇸 794 112 7ms 9 May 2025 292nd lifthrasiir 🇰🇷 793 32 2ms 29 Nov 2024 292nd emgordon154 793 32 3ms 26 hours ago 294th rucin93 🇵🇱 792 76 142ms 31 Oct 2024 295th stefangimmillaro 792 166 276ms 4 Sep 2024 296th FlorianCassayre 🇫🇷 791 79 11ms 15 Sep 2024 297th kg583 🇺🇸 790 89 6ms 20 Dec 2025 298th mousetail 🇳🇱 789 62 59ms 3 Sep 2024 298th GolfingSuccess 🇬🇷 789 62 10ms 2 Dec 2025 300th m-tkach 🇺🇦 788 169 29ms 9 Feb 2026 301st ovs-code 🇩🇪 787 95 87ms 1 Sep 2024 302nd sean-niemann 🇺🇸 785 113 431ms 5 Sep 2024 303rd rzv-me 784 80 4ms 5 Oct 2024 304th albanian-laundromat 782 114 2ms 27 Nov 2025 305th nwellnhof 🇩🇪 781 80 14ms 4 Sep 2024 305th canissimia 🇦🇶 781 80 15ms 12 Sep 2024 305th RaBa21 🇭🇺 781 80 10ms 18 Jul 2025 305th 4atj 781 80 16ms 1 Dec 2025 305th HPWiz 🇳🇿 781 80 15ms 6 Dec 2025 305th zgialor-lab 781 80 10ms 17 Dec 2025 311th KingSkyrock 🇺🇸 779 91 10ms 14 Oct 2024 311th HumanoidCPU 779 91 12ms 22 Nov 2025 313th error256 779 154 201ms 12 Feb 2026 314th stefangimmillaro 778 114 428ms 4 Sep 2024 315th MeWhenI 🇻🇦 777 39 33ms 2 Sep 2024 316th the-zammers 775 114 117ms 1 Dec 2024 317th dokutan 773 104 203ms 1 Sep 2024 318th bizy-coder 771 81 15ms 1 Sep 2024 318th Natanaelel 🇸🇪 771 81 15ms 1 Sep 2024 318th GrayJoKing 🇦🇺 771 81 14ms 2 Sep 2024 First Prev 241–320 of 762 Next Last