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 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 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 Calendar 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 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 150th nwellnhof 🇩🇪 868 151 250ms 10 Sep 2024 150th 0xjac 🇨🇭 868 151 235ms 6 days ago 153rd ovs-code 🇩🇪 866 67 435ms 15 Jul 2025 153rd albanian-laundromat 866 67 325ms 4 Aug 2025 155th qpwoeirut 866 72 11ms 1 Oct 2025 156th Frowny 865 35 33ms 1 Sep 2024 156th Natanaelel 🇸🇪 865 35 32ms 1 Sep 2024 156th 4hg 🇺🇸 865 35 33ms 5 Sep 2024 159th error256 865 93 467ms 24 Jul 2025 160th error256 864 72 2,081ms 24 Oct 2024 161st voytxt 🇨🇿 863 82 9ms 1 Sep 2024 161st dmrichwa 🇺🇸 863 82 9ms 2 Sep 2024 163rd JayXon 🇺🇸 862 53 840ms 2 Sep 2024 163rd pardouin 🇫🇷 862 53 878ms 4 Sep 2025 165th GrayJoKing 🇦🇺 861 57 6ms 20 Mar 2025 166th error256 860 112 336ms 24 Sep 2025 166th sean-niemann 🇺🇸 860 112 344ms 24 Sep 2025 166th MeWhenI 🇻🇦 860 112 337ms 24 days ago 169th kumavale 860 139 225ms 28 Oct 2025 170th sean-niemann 🇺🇸 859 62 650ms 22 Sep 2025 171st xsot 🇸🇬 859 66 14ms 10 Jul 2025 172nd MeWhenI 🇻🇦 858 59 18ms 13 Jun 2025 173rd duckyluuk 🇳🇱 857 49 5ms 6 days ago 174th JayXon 🇺🇸 856 94 471ms 23 Jul 2025 175th ovs-code 🇩🇪 855 61 237ms 1 Sep 2024 176th MeWhenI 🇻🇦 854 57 6ms 1 Sep 2024 177th JayXon 🇺🇸 854 94 102ms 10 Sep 2024 178th DialFrost 🇸🇬 854 103 108ms 21 Nov 2024 179th KasperKivimaeki 🇫🇮 854 105 2ms 17 Aug 2025 180th edsrzf 🇳🇿 854 107 6ms 19 Oct 2025 181st tayloia 🇬🇧 853 83 8ms 1 Sep 2024 182nd edsrzf 🇳🇿 852 84 94ms 30 hours ago 183rd JayXon 🇺🇸 851 87 2ms 20 Sep 2024 184th snoozingnewt 🇺🇸 850 88 80ms 9 days ago 185th JayXon 🇺🇸 849 105 2ms 14 days ago 186th pardouin 🇫🇷 848 71 128ms 2 Sep 2024 187th JayXon 🇺🇸 847 68 75ms 18 Jun 2025 188th error256 846 94 101ms 1 Sep 2024 189th JayXon 🇺🇸 846 95 99ms 24 May 2025 190th CLOStrophobic 🇮🇹 846 108 6ms 19 Feb 2025 191st edsrzf 🇳🇿 844 99 4ms 9 Jan 2025 192nd HumanoidCPU 843 74 10ms 2 Sep 2024 192nd sean-niemann 🇺🇸 843 74 4ms 19 Dec 2024 192nd luuumine 🇫🇷 843 74 10ms 15 Oct 2025 195th GrayJoKing 🇦🇺 843 84 8ms 2 Sep 2024 195th uttumuttu 🇫🇮 843 84 8ms 30 Sep 2024 195th didion0 🇺🇸 843 84 8ms 30 May 2025 198th edsrzf 🇳🇿 843 125 38ms 31 Dec 2024 198th kg583 🇺🇸 843 125 41ms 25 Mar 2025 200th SirBogman 🇺🇸 841 36 33ms 11 Sep 2024 201st bizy-coder 841 69 446ms 3 Sep 2024 202nd Kacarott 🇦🇺 841 89 62ms 1 Sep 2024 203rd AlephSquirrel 839 109 6ms 18 Feb 2025 204th Shanethegamer 🇺🇸 838 96 98ms 24 May 2025 205th Shanethegamer 🇺🇸 836 202 1,405ms 1 Mar 2025 206th xnor-gate 834 82 18ms 5 Mar 2025 207th nwellnhof 🇩🇪 833 48 3ms 1 Sep 2024 208th MeWhenI 🇻🇦 832 75 4ms 3 Sep 2024 208th Artemis21 🇬🇧 832 75 10ms 10 Jan 2025 210th nwellnhof 🇩🇪 831 108 2ms 10 Sep 2024 211th JayXon 🇺🇸 831 111 379ms 20 Sep 2024 212th MeWhenI 🇻🇦 830 45 3ms 1 Sep 2024 213th MeWhenI 🇻🇦 830 55 875ms 1 Sep 2024 213th Natanaelel 🇸🇪 830 55 858ms 1 Sep 2024 215th Shanethegamer 🇺🇸 830 145 1,241ms 4 Sep 2024 215th m-tkach 🇺🇦 830 145 62ms 27 Sep 2024 217th HumanoidCPU 829 70 349ms 2 Sep 2024 218th MeWhenI 🇻🇦 829 75 0ms 24 Oct 2024 218th duckyluuk 🇳🇱 829 75 2,159ms 25 Oct 2024 220th emgordon154 825 59 8ms 15 Nov 2024 221st error256 825 146 1,246ms 2 May 2025 222nd emplv 🇱🇻 824 159 249ms 18 Sep 2024 223rd duckyluuk 🇳🇱 823 86 8ms 1 Sep 2024 224th sean-niemann 🇺🇸 823 112 385ms 4 Sep 2024 225th xsot 🇸🇬 821 76 4ms 3 Sep 2024 First Prev 151–225 of 696 Next Last