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 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 Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 151st JayXon 🇺🇸 868 151 263ms 10 Sep 2024 151st nwellnhof 🇩🇪 868 151 257ms 10 Sep 2024 151st 0xjac 🇨🇭 868 151 235ms 20 hours ago 154th MeWhenI 🇻🇦 867 59 24ms 13 Jun 2025 155th qpwoeirut 866 72 12ms 1 Oct 2025 156th ovs-code 🇩🇪 865 67 547ms 15 Jul 2025 156th albanian-laundromat 865 67 403ms 4 Aug 2025 158th error256 865 93 467ms 24 Jul 2025 159th SirBogman 🇺🇸 864 36 35ms 11 Sep 2024 160th error256 864 72 2,081ms 24 Oct 2024 161st voytxt 🇨🇿 863 82 10ms 1 Sep 2024 161st dmrichwa 🇺🇸 863 82 9ms 2 Sep 2024 163rd JayXon 🇺🇸 862 53 1,008ms 2 Sep 2024 163rd pardouin 🇫🇷 862 53 1,086ms 4 Sep 2025 165th GrayJoKing 🇦🇺 861 57 7ms 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 18 days ago 169th kumavale 860 139 236ms 28 Oct 2025 170th sean-niemann 🇺🇸 859 62 650ms 22 Sep 2025 171st xsot 🇸🇬 859 66 15ms 10 Jul 2025 172nd duckyluuk 🇳🇱 857 49 6ms 2 hours ago 173rd JayXon 🇺🇸 856 94 479ms 23 Jul 2025 174th ovs-code 🇩🇪 855 61 237ms 1 Sep 2024 175th MeWhenI 🇻🇦 854 57 7ms 1 Sep 2024 176th JayXon 🇺🇸 854 94 105ms 10 Sep 2024 177th DialFrost 🇸🇬 854 103 180ms 21 Nov 2024 178th KasperKivimaeki 🇫🇮 854 105 2ms 17 Aug 2025 179th edsrzf 🇳🇿 854 107 7ms 19 Oct 2025 180th tayloia 🇬🇧 852 83 10ms 1 Sep 2024 181st JayXon 🇺🇸 851 87 2ms 20 Sep 2024 182nd snoozingnewt 🇺🇸 850 88 80ms 3 days ago 183rd JayXon 🇺🇸 849 105 3ms 8 days ago 184th pardouin 🇫🇷 848 71 128ms 2 Sep 2024 185th JayXon 🇺🇸 847 68 79ms 18 Jun 2025 186th error256 846 94 105ms 1 Sep 2024 187th JayXon 🇺🇸 846 95 122ms 24 May 2025 188th CLOStrophobic 🇮🇹 846 108 7ms 19 Feb 2025 189th edsrzf 🇳🇿 844 99 4ms 9 Jan 2025 190th HumanoidCPU 843 74 10ms 2 Sep 2024 190th sean-niemann 🇺🇸 843 74 6ms 19 Dec 2024 190th luuumine 🇫🇷 843 74 10ms 15 Oct 2025 193rd edsrzf 🇳🇿 843 125 38ms 31 Dec 2024 193rd kg583 🇺🇸 843 125 42ms 25 Mar 2025 195th GrayJoKing 🇦🇺 842 84 9ms 2 Sep 2024 195th uttumuttu 🇫🇮 842 84 9ms 30 Sep 2024 195th didion0 🇺🇸 842 84 9ms 30 May 2025 198th Kacarott 🇦🇺 841 89 70ms 1 Sep 2024 199th bizy-coder 840 69 541ms 3 Sep 2024 200th AlephSquirrel 839 109 8ms 18 Feb 2025 201st Shanethegamer 🇺🇸 838 96 126ms 24 May 2025 202nd Shanethegamer 🇺🇸 836 202 1,485ms 1 Mar 2025 203rd xnor-gate 834 82 19ms 5 Mar 2025 204th nwellnhof 🇩🇪 833 48 4ms 1 Sep 2024 205th MeWhenI 🇻🇦 832 75 4ms 3 Sep 2024 205th Artemis21 🇬🇧 832 75 10ms 10 Jan 2025 207th nwellnhof 🇩🇪 831 108 2ms 10 Sep 2024 208th JayXon 🇺🇸 831 111 413ms 20 Sep 2024 209th MeWhenI 🇻🇦 830 45 4ms 1 Sep 2024 210th MeWhenI 🇻🇦 830 55 1,041ms 1 Sep 2024 210th Natanaelel 🇸🇪 830 55 991ms 1 Sep 2024 212th Shanethegamer 🇺🇸 830 145 1,326ms 4 Sep 2024 212th m-tkach 🇺🇦 830 145 67ms 27 Sep 2024 214th MeWhenI 🇻🇦 829 75 2,130ms 24 Oct 2024 214th duckyluuk 🇳🇱 829 75 2,159ms 25 Oct 2024 216th HumanoidCPU 828 70 604ms 2 Sep 2024 217th emgordon154 825 59 11ms 15 Nov 2024 218th error256 825 146 1,362ms 2 May 2025 219th emplv 🇱🇻 824 159 263ms 18 Sep 2024 220th duckyluuk 🇳🇱 823 86 8ms 1 Sep 2024 221st sean-niemann 🇺🇸 823 112 444ms 4 Sep 2024 222nd xsot 🇸🇬 821 76 4ms 3 Sep 2024 222nd o0BlackDragon0o 821 76 12ms 8 Sep 2024 222nd Bombalech 821 76 12ms 8 Sep 2024 222nd JunkIce 821 76 10ms 24 Nov 2024 First Prev 151–225 of 693 Next Last