PalindromemordnilaP in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 150th albanian-laundromat 865 67 403ms 4 Aug 2025 152nd error256 865 93 568ms 24 Jul 2025 153rd SirBogman 🇺🇸 864 36 11 Sep 2024 154th error256 864 72 24 Oct 2024 155th voytxt 🇨🇿 863 82 1 Sep 2024 155th dmrichwa 🇺🇸 863 82 2 Sep 2024 157th JayXon 🇺🇸 862 53 2 Sep 2024 157th pardouin 🇫🇷 862 53 4 Sep 2025 159th saito-ta 🇯🇵 862 71 115ms 30 Sep 2024 160th GrayJoKing 🇦🇺 861 57 7ms 20 Mar 2025 161st error256 860 112 27 days ago 161st sean-niemann 🇺🇸 860 112 27 days ago 163rd sean-niemann 🇺🇸 859 62 22 Sep 2025 164th xsot 🇸🇬 859 66 15ms 10 Jul 2025 165th JayXon 🇺🇸 856 94 583ms 23 Jul 2025 166th ovs-code 🇩🇪 855 61 1 Sep 2024 167th MeWhenI 🇻🇦 854 57 7ms 1 Sep 2024 168th JayXon 🇺🇸 854 94 120ms 10 Sep 2024 169th DialFrost 🇸🇬 854 103 180ms 21 Nov 2024 170th KasperKivimaeki 🇫🇮 854 105 2ms 17 Aug 2025 171st edsrzf 🇳🇿 854 107 3 days ago 172nd tayloia 🇬🇧 852 83 1 Sep 2024 173rd JayXon 🇺🇸 851 87 3ms 20 Sep 2024 174th JayXon 🇺🇸 847 68 18 Jun 2025 175th DialFrost 🇸🇬 847 94 105ms 17 Mar 2025 176th pardouin 🇫🇷 846 71 2 Sep 2024 177th JayXon 🇺🇸 846 95 122ms 24 May 2025 178th CLOStrophobic 🇮🇹 846 108 7ms 19 Feb 2025 179th albanian-laundromat 846 115 2ms 4 Aug 2025 179th JayXon 🇺🇸 846 115 5ms 4 Aug 2025 181st edsrzf 🇳🇿 844 99 5ms 9 Jan 2025 182nd sean-niemann 🇺🇸 843 74 19 Dec 2024 183rd edsrzf 🇳🇿 843 125 46ms 31 Dec 2024 183rd kg583 🇺🇸 843 125 46ms 25 Mar 2025 185th HumanoidCPU 842 74 11ms 2 Sep 2024 185th luuumine 🇫🇷 842 74 6 days ago 187th GrayJoKing 🇦🇺 842 84 2 Sep 2024 187th uttumuttu 🇫🇮 842 84 30 Sep 2024 187th didion0 🇺🇸 842 84 30 May 2025 190th error256 842 94 137ms 1 Sep 2024 191st Kacarott 🇦🇺 841 89 70ms 1 Sep 2024 192nd bizy-coder 840 69 541ms 3 Sep 2024 193rd AlephSquirrel 839 109 8ms 18 Feb 2025 194th ovs-code 🇩🇪 838 95 91ms 1 Sep 2024 195th Shanethegamer 🇺🇸 838 96 126ms 24 May 2025 196th Shanethegamer 🇺🇸 836 202 1 Mar 2025 197th xnor-gate 834 82 19ms 5 Mar 2025 198th nwellnhof 🇩🇪 833 48 4ms 1 Sep 2024 199th MeWhenI 🇻🇦 832 75 3 Sep 2024 200th Artemis21 🇬🇧 831 75 11ms 10 Jan 2025 201st nwellnhof 🇩🇪 831 108 2ms 10 Sep 2024 202nd JayXon 🇺🇸 831 111 413ms 20 Sep 2024 203rd MeWhenI 🇻🇦 830 45 4ms 1 Sep 2024 204th MeWhenI 🇻🇦 830 55 1 Sep 2024 204th Natanaelel 🇸🇪 830 55 1 Sep 2024 206th Shanethegamer 🇺🇸 830 145 1,291ms 4 Sep 2024 206th m-tkach 🇺🇦 830 145 67ms 27 Sep 2024 208th MeWhenI 🇻🇦 829 75 24 Oct 2024 208th duckyluuk 🇳🇱 829 75 25 Oct 2024 210th HumanoidCPU 828 70 604ms 2 Sep 2024 211th emgordon154 825 59 11ms 15 Nov 2024 212th error256 825 146 1,281ms 2 May 2025 213th sean-niemann 🇺🇸 824 118 3ms 16 Jan 2025 214th emplv 🇱🇻 824 159 286ms 18 Sep 2024 214th 0xjac 🇨🇭 824 159 274ms 19 Jun 2025 216th duckyluuk 🇳🇱 823 86 1 Sep 2024 217th sean-niemann 🇺🇸 823 112 444ms 4 Sep 2024 218th xsot 🇸🇬 821 76 3 Sep 2024 219th MeWhenI 🇻🇦 821 98 386ms 2 Sep 2024 220th o0BlackDragon0o 820 76 12ms 8 Sep 2024 220th Bombalech 820 76 12ms 8 Sep 2024 220th JunkIce 820 76 11ms 24 Nov 2024 220th snoozingnewt 🇺🇸 820 76 12ms 31 Mar 2025 224th rak1507 🇬🇧 819 31 3ms 11 Sep 2024 225th sean-niemann 🇺🇸 819 151 16 Jan 2025 First Prev 151–225 of 676 Next Last