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 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 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 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 151st JayXon 🇺🇸 850 95 19 Sep 2024 152nd tayloia 🇬🇧 849 83 1 Sep 2024 153rd DialFrost 🇸🇬 848 79 27 Feb 2025 154th CLOStrophobic 🇮🇹 848 108 19 Feb 2025 155th DialFrost 🇸🇬 847 94 17 Mar 2025 156th pardouin 🇫🇷 846 71 2 Sep 2024 157th JayXon 🇺🇸 846 95 8 days ago 158th sean-niemann 🇺🇸 843 74 19 Dec 2024 159th edsrzf 🇳🇿 843 125 31 Dec 2024 159th kg583 🇺🇸 843 125 25 Mar 2025 161st JayXon 🇺🇸 842 87 20 Sep 2024 162nd HumanoidCPU 841 74 2 Sep 2024 163rd Kacarott 🇦🇺 841 89 1 Sep 2024 164th AlephSquirrel 840 109 18 Feb 2025 165th GrayJoKing 🇦🇺 839 84 2 Sep 2024 165th uttumuttu 🇫🇮 839 84 30 Sep 2024 165th didion0 🇺🇸 839 84 2 days ago 168th ovs-code 🇩🇪 838 95 1 Sep 2024 169th Shanethegamer 🇺🇸 838 96 8 days ago 170th ovs-code 🇩🇪 837 69 1 Sep 2024 170th bizy-coder 837 69 3 Sep 2024 172nd JayXon 🇺🇸 837 118 20 Sep 2024 172nd sean-niemann 🇺🇸 837 118 16 Jan 2025 174th edsrzf 🇳🇿 836 99 9 Jan 2025 175th nwellnhof 🇩🇪 833 48 1 Sep 2024 176th error256 833 94 1 Sep 2024 177th MeWhenI 🇻🇦 832 75 3 Sep 2024 178th KasperKivimaeki 🇫🇮 832 107 20 Feb 2025 179th JayXon 🇺🇸 831 111 20 Sep 2024 180th MeWhenI 🇻🇦 830 55 1 Sep 2024 180th Natanaelel 🇸🇪 830 55 1 Sep 2024 180th pardouin 🇫🇷 830 55 1 Sep 2024 183rd xnor-gate 830 82 5 Mar 2025 184th Shanethegamer 🇺🇸 830 145 4 Sep 2024 185th Shanethegamer 🇺🇸 830 202 1 Mar 2025 186th MeWhenI 🇻🇦 829 75 24 Oct 2024 186th duckyluuk 🇳🇱 829 75 25 Oct 2024 186th Artemis21 🇬🇧 829 75 10 Jan 2025 189th MeWhenI 🇻🇦 828 45 1 Sep 2024 190th emgordon154 825 59 15 Nov 2024 191st HumanoidCPU 825 70 2 Sep 2024 192nd error256 825 146 2 May 2025 193rd MeWhenI 🇻🇦 824 98 2 Sep 2024 194th nwellnhof 🇩🇪 824 108 10 Sep 2024 195th JayXon 🇺🇸 823 70 6 Sep 2024 196th sean-niemann 🇺🇸 823 112 4 Sep 2024 197th xsot 🇸🇬 821 76 3 Sep 2024 198th sean-niemann 🇺🇸 821 92 19 Apr 2025 199th m-tkach 🇺🇦 821 145 27 Sep 2024 200th duckyluuk 🇳🇱 820 86 1 Sep 2024 201st Yax42 🇫🇷 820 100 23 Apr 2025 202nd rak1507 🇬🇧 818 31 11 Sep 2024 203rd o0BlackDragon0o 818 76 8 Sep 2024 203rd Bombalech 818 76 8 Sep 2024 203rd JunkIce 818 76 24 Nov 2024 203rd snoozingnewt 🇺🇸 818 76 31 Mar 2025 207th kg583 🇺🇸 818 112 23 days ago 208th duckyluuk 🇳🇱 817 52 13 Dec 2024 209th canissimia 🇦🇶 816 116 4 Sep 2024 210th m-tkach 🇺🇦 816 170 15 Jan 2025 211th emplv 🇱🇻 814 159 18 Sep 2024 212th dokutan 813 71 13 Sep 2024 212th KatieLG 🇬🇧 813 71 28 Oct 2024 214th ovs-code 🇩🇪 811 52 1 Sep 2024 215th error256 811 99 4 Sep 2024 216th error256 810 77 1 Sep 2024 217th GrayJoKing 🇦🇺 810 84 1 Sep 2024 217th annaproxy 810 84 22 Oct 2024 219th JayXon 🇺🇸 809 231 25 Sep 2024 220th CornerMercury 🇬🇧 808 77 14 Feb 2025 221st sean-niemann 🇺🇸 806 151 16 Jan 2025 222nd SirBogman 🇺🇸 806 155 3 Sep 2024 223rd error256 805 93 2 Sep 2024 224th nwellnhof 🇩🇪 804 102 20 Sep 2024 225th ovs-code 🇩🇪 802 175 30 Sep 2024 Prev 151–225 of 604 Next