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 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 Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 150th dmrichwa 🇺🇸 861 82 2 Sep 2024 152nd JayXon 🇺🇸 861 91 10 Sep 2024 153rd xsot 🇸🇬 859 66 10 Jul 2025 154th JayXon 🇺🇸 856 94 23 Jul 2025 155th ovs-code 🇩🇪 855 61 1 Sep 2024 156th MeWhenI 🇻🇦 854 57 1 Sep 2024 157th JayXon 🇺🇸 854 94 10 Sep 2024 158th error256 854 140 1 Sep 2024 158th MeWhenI 🇻🇦 854 140 1 Sep 2024 158th sean-niemann 🇺🇸 854 140 19 Dec 2024 161st DialFrost 🇸🇬 852 103 21 Nov 2024 162nd tayloia 🇬🇧 851 83 1 Sep 2024 163rd JayXon 🇺🇸 851 87 20 Sep 2024 164th KasperKivimaeki 🇫🇮 850 105 15 days ago 165th CLOStrophobic 🇮🇹 848 108 19 Feb 2025 166th JayXon 🇺🇸 847 68 18 Jun 2025 167th DialFrost 🇸🇬 847 94 17 Mar 2025 168th pardouin 🇫🇷 846 71 2 Sep 2024 169th JayXon 🇺🇸 846 95 24 May 2025 170th albanian-laundromat 846 115 4 Aug 2025 170th JayXon 🇺🇸 846 115 4 Aug 2025 172nd sean-niemann 🇺🇸 844 63 2 days ago 173rd sean-niemann 🇺🇸 843 74 19 Dec 2024 174th edsrzf 🇳🇿 843 125 31 Dec 2024 174th kg583 🇺🇸 843 125 25 Mar 2025 176th HumanoidCPU 842 74 2 Sep 2024 177th GrayJoKing 🇦🇺 841 84 2 Sep 2024 177th uttumuttu 🇫🇮 841 84 30 Sep 2024 177th didion0 🇺🇸 841 84 30 May 2025 180th Kacarott 🇦🇺 841 89 1 Sep 2024 181st AlephSquirrel 840 109 18 Feb 2025 182nd bizy-coder 839 69 3 Sep 2024 183rd ovs-code 🇩🇪 838 95 1 Sep 2024 184th Shanethegamer 🇺🇸 838 96 24 May 2025 185th edsrzf 🇳🇿 836 99 9 Jan 2025 186th xnor-gate 834 82 5 Mar 2025 187th nwellnhof 🇩🇪 833 48 1 Sep 2024 188th error256 833 94 1 Sep 2024 189th MeWhenI 🇻🇦 832 75 3 Sep 2024 190th JayXon 🇺🇸 831 111 20 Sep 2024 191st acotis 831 143 9 Jul 2025 192nd MeWhenI 🇻🇦 830 45 1 Sep 2024 193rd MeWhenI 🇻🇦 830 55 1 Sep 2024 193rd Natanaelel 🇸🇪 830 55 1 Sep 2024 193rd pardouin 🇫🇷 830 55 1 Sep 2024 196th Artemis21 🇬🇧 830 75 10 Jan 2025 197th Shanethegamer 🇺🇸 830 145 4 Sep 2024 198th Shanethegamer 🇺🇸 830 202 1 Mar 2025 199th MeWhenI 🇻🇦 829 75 24 Oct 2024 199th duckyluuk 🇳🇱 829 75 25 Oct 2024 201st HumanoidCPU 827 70 2 Sep 2024 202nd nwellnhof 🇩🇪 827 108 10 Sep 2024 203rd emgordon154 825 59 15 Nov 2024 204th error256 825 146 2 May 2025 205th sean-niemann 🇺🇸 824 118 16 Jan 2025 206th sean-niemann 🇺🇸 823 112 4 Sep 2024 207th xsot 🇸🇬 821 76 3 Sep 2024 208th duckyluuk 🇳🇱 821 86 1 Sep 2024 209th MeWhenI 🇻🇦 821 98 2 Sep 2024 210th m-tkach 🇺🇦 821 145 27 Sep 2024 211th emplv 🇱🇻 821 159 18 Sep 2024 211th 0xjac 🇨🇭 821 159 19 Jun 2025 213th rak1507 🇬🇧 819 31 11 Sep 2024 214th o0BlackDragon0o 819 76 8 Sep 2024 214th Bombalech 819 76 8 Sep 2024 214th JunkIce 819 76 24 Nov 2024 214th snoozingnewt 🇺🇸 819 76 31 Mar 2025 218th sean-niemann 🇺🇸 819 151 16 Jan 2025 219th kg583 🇺🇸 818 112 9 May 2025 220th duckyluuk 🇳🇱 817 52 13 Dec 2024 221st canissimia 🇦🇶 816 116 4 Sep 2024 222nd m-tkach 🇺🇦 816 170 15 Jan 2025 223rd dokutan 815 71 13 Sep 2024 223rd KatieLG 🇬🇧 815 71 28 Oct 2024 225th GrayJoKing 🇦🇺 814 84 1 Sep 2024 Prev 151–225 of 643 Next