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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 161st JayXon 🇺🇸 874 91 127ms 10 Sep 2024 162nd error256 873 58 231ms 3 Sep 2024 162nd JayXon 🇺🇸 873 58 241ms 10 Sep 2024 162nd HPWiz 🇳🇿 873 58 221ms 7 Dec 2025 165th sean-niemann 🇺🇸 872 69 142ms 10 May 2025 166th error256 872 73 129ms 28 Feb 2026 167th edsrzf 🇳🇿 871 72 5ms 31 Jan 2026 168th JayXon 🇺🇸 871 151 286ms 10 Sep 2024 168th nwellnhof 🇩🇪 871 151 282ms 10 Sep 2024 168th 0xjac 🇨🇭 871 151 302ms 25 Nov 2025 171st xsot 🇸🇬 869 58 8ms 19 Dec 2025 172nd ovs-code 🇩🇪 869 67 452ms 15 Jul 2025 172nd albanian-laundromat 869 67 405ms 4 Aug 2025 174th error256 869 93 535ms 24 Jul 2025 175th error256 869 112 467ms 24 Sep 2025 175th sean-niemann 🇺🇸 869 112 480ms 24 Sep 2025 175th MeWhenI 🇻🇦 869 112 441ms 7 Nov 2025 175th Steffan153 🇫🇮 869 112 383ms 11 Feb 2026 179th qpwoeirut 868 72 11ms 1 Oct 2025 180th error256 867 72 2,510ms 24 Oct 2024 181st kumavale 867 139 240ms 28 Oct 2025 182nd Frowny 865 35 33ms 1 Sep 2024 182nd Natanaelel 🇸🇪 865 35 32ms 1 Sep 2024 182nd 4hg 🇺🇸 865 35 33ms 5 Sep 2024 185th voytxt 🇨🇿 864 82 9ms 1 Sep 2024 185th dmrichwa 🇺🇸 864 82 10ms 2 Sep 2024 185th Lv0Sys 🇵🇱 864 82 9ms 22 Feb 2026 188th JayXon 🇺🇸 863 53 1,366ms 2 Sep 2024 188th pardouin 🇫🇷 863 53 1,384ms 4 Sep 2025 190th GrayJoKing 🇦🇺 861 57 6ms 20 Mar 2025 191st JayXon 🇺🇸 860 94 530ms 23 Jul 2025 192nd JayXon 🇺🇸 859 94 102ms 10 Sep 2024 193rd MeWhenI 🇻🇦 858 57 6ms 1 Sep 2024 194th alemelis 858 59 236ms 1 Sep 2024 194th pardouin 🇫🇷 858 59 290ms 2 Sep 2024 196th DialFrost 🇸🇬 858 103 135ms 21 Nov 2024 197th duckyluuk 🇳🇱 857 49 6ms 26 Nov 2025 198th KasperKivimaeki 🇫🇮 856 105 2ms 17 Aug 2025 199th edsrzf 🇳🇿 855 104 10ms 31 Jan 2026 200th tayloia 🇬🇧 854 83 9ms 1 Sep 2024 201st JayXon 🇺🇸 852 68 76ms 18 Jun 2025 202nd JayXon 🇺🇸 851 87 2ms 20 Sep 2024 203rd snoozingnewt 🇨🇦 850 88 82ms 22 Nov 2025 204th edsrzf 🇳🇿 849 90 5ms 28 Feb 2026 205th JayXon 🇺🇸 849 105 3ms 17 Nov 2025 206th pardouin 🇫🇷 848 71 135ms 2 Sep 2024 207th sean-niemann 🇺🇸 848 74 5ms 19 Dec 2024 207th Steffan153 🇫🇮 848 74 5ms 11 Feb 2026 209th rhdqor213 848 106 2ms 7 Jan 2026 210th xsot 🇸🇬 846 50 36ms 20 Dec 2025 211th error256 846 94 118ms 1 Sep 2024 212th JayXon 🇺🇸 846 95 155ms 24 May 2025 213th edsrzf 🇳🇿 846 138 1,303ms 19 days ago 214th bizy-coder 844 69 399ms 3 Sep 2024 215th HumanoidCPU 844 74 11ms 2 Sep 2024 215th luuumine 🇫🇷 844 74 10ms 15 Oct 2025 217th retrohun 844 99 392ms 9 Dec 2025 218th GrayJoKing 🇦🇺 843 84 9ms 2 Sep 2024 218th uttumuttu 🇫🇮 843 84 9ms 30 Sep 2024 218th didion0 🇺🇸 843 84 9ms 30 May 2025 221st edsrzf 🇳🇿 843 125 41ms 31 Dec 2024 221st kg583 🇺🇸 843 125 41ms 25 Mar 2025 223rd edsrzf 🇳🇿 842 96 548ms 31 Jan 2026 224th SirBogman 🇺🇸 841 36 33ms 11 Sep 2024 225th Kacarott 🇦🇺 841 89 62ms 1 Sep 2024 225th error256 841 89 62ms 11 Dec 2025 227th JayXon 🇺🇸 840 111 481ms 20 Sep 2024 228th Shanethegamer 🇺🇸 838 96 157ms 24 May 2025 229th m-tkach 🇺🇦 838 145 70ms 27 Sep 2024 230th MeWhenI 🇻🇦 836 75 5ms 3 Sep 2024 230th xsot 🇸🇬 836 75 5ms 18 Dec 2025 232nd Shanethegamer 🇺🇸 836 202 1,414ms 1 Mar 2025 233rd xnor-gate 834 82 16ms 5 Mar 2025 234th Maznek 834 85 10ms 3 days ago 235th nwellnhof 🇩🇪 833 48 4ms 1 Sep 2024 236th Artemis21 🇬🇧 833 75 10ms 10 Jan 2025 237th edsrzf 🇳🇿 833 106 8ms 26 days ago 238th MeWhenI 🇻🇦 832 55 1,400ms 1 Sep 2024 238th Natanaelel 🇸🇪 832 55 1,329ms 1 Sep 2024 240th HumanoidCPU 832 70 385ms 2 Sep 2024 First Prev 161–240 of 772 Next Last