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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript 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 ><> 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 ALGOL 68 APL ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 241st MeWhenI 🇻🇦 829 75 2,185ms 24 Oct 2024 241st duckyluuk 🇳🇱 829 75 2,222ms 25 Oct 2024 243rd MeWhenI 🇻🇦 825 98 407ms 2 Sep 2024 244th error256 825 146 1,401ms 2 May 2025 245th CLOStrophobic 🇮🇹 824 108 6ms 19 Feb 2025 246th emplv 🇱🇻 824 159 297ms 18 Sep 2024 247th duckyluuk 🇳🇱 823 86 10ms 1 Sep 2024 248th sean-niemann 🇺🇸 823 112 492ms 4 Sep 2024 249th o0BlackDragon0o 822 76 13ms 8 Sep 2024 249th Bombalech 822 76 16ms 8 Sep 2024 249th JunkIce 822 76 11ms 24 Nov 2024 252nd rak1507 🇬🇧 819 31 3ms 11 Sep 2024 253rd error256 819 98 127ms 5 days ago 254th sean-niemann 🇺🇸 819 151 103ms 16 Jan 2025 255th KatieLG 🇬🇧 818 71 439ms 28 Oct 2024 256th JayXon 🇺🇸 818 243 1,894ms 10 Jul 2025 257th edsrzf 🇳🇿 817 163 32ms 15 days ago 258th AlephSquirrel 816 109 6ms 18 Feb 2025 259th canissimia 🇦🇶 816 116 13ms 4 Sep 2024 260th m-tkach 🇺🇦 816 170 652ms 15 Jan 2025 261st RyanMHsiao 815 244 1,930ms 25 Sep 2024 262nd GrayJoKing 🇦🇺 814 84 13ms 1 Sep 2024 262nd annaproxy 814 84 17ms 22 Oct 2024 264th tomtheisen 🇺🇸 814 109 437ms 8 Nov 2024 265th ovs-code 🇩🇪 813 52 39ms 1 Sep 2024 266th error256 813 77 4ms 1 Sep 2024 267th error256 810 150 57ms 5 May 2025 268th MostParsingVex 809 153 51ms 3 Oct 2024 269th primo-ppcg 🇹🇭 809 232 145ms 1 Dec 2025 270th SirBogman 🇺🇸 806 155 45ms 3 Sep 2024 271st error256 805 87 6ms 16 Apr 2025 271st edsrzf 🇳🇿 805 87 6ms 1 Dec 2025 273rd GolfingSuccess 🇬🇷 805 210 1,763ms 8 Feb 2025 274th ovs-code 🇩🇪 802 175 9ms 30 Sep 2024 275th emgordon154 801 211 1,724ms 24 Jan 2025 276th MeWhenI 🇻🇦 799 50 3ms 1 Sep 2024 276th retrohun 799 50 3ms 9 Mar 2025 278th namelessiw 799 111 422ms 22 Apr 2025 279th albanian-laundromat 798 201 4ms 25 days ago 280th nwellnhof 🇩🇪 797 134 395ms 2 Sep 2024 280th tailorspy 797 134 485ms 16 Sep 2024 282nd DialFrost 🇸🇬 796 94 95ms 17 Mar 2025 283rd MeWhenI 🇻🇦 795 101 112ms 3 Sep 2024 284th pardouin 🇫🇷 794 73 100ms 3 Sep 2024 285th kg583 🇺🇸 794 112 7ms 9 May 2025 286th lifthrasiir 🇰🇷 793 32 2ms 29 Nov 2024 287th rucin93 🇵🇱 792 76 131ms 31 Oct 2024 288th FlorianCassayre 🇫🇷 790 79 11ms 15 Sep 2024 289th mousetail 🇳🇱 789 62 66ms 3 Sep 2024 289th GolfingSuccess 🇬🇷 789 62 12ms 2 Dec 2025 291st stefangimmillaro 789 166 304ms 4 Sep 2024 292nd m-tkach 🇺🇦 788 169 30ms 7 days ago 293rd kg583 🇺🇸 787 89 7ms 20 Dec 2025 294th ovs-code 🇩🇪 787 95 89ms 1 Sep 2024 295th sean-niemann 🇺🇸 785 113 431ms 5 Sep 2024 296th MeWhenI 🇻🇦 785 157 15ms 7 Sep 2024 297th rzv-me 782 80 4ms 5 Oct 2024 298th albanian-laundromat 782 114 2ms 27 Nov 2025 299th nwellnhof 🇩🇪 780 80 15ms 4 Sep 2024 299th canissimia 🇦🇶 780 80 15ms 12 Sep 2024 299th RaBa21 🇭🇺 780 80 12ms 18 Jul 2025 299th 4atj 780 80 16ms 1 Dec 2025 299th HPWiz 🇳🇿 780 80 15ms 6 Dec 2025 299th zgialor-lab 780 80 10ms 17 Dec 2025 305th error256 779 154 206ms 5 days ago 306th KingSkyrock 🇺🇸 778 91 9ms 14 Oct 2024 306th HumanoidCPU 778 91 10ms 22 Nov 2025 308th stefangimmillaro 778 114 428ms 4 Sep 2024 309th MeWhenI 🇻🇦 777 39 33ms 2 Sep 2024 310th the-zammers 775 114 117ms 1 Dec 2024 311th dokutan 773 104 167ms 1 Sep 2024 312th bizy-coder 771 81 15ms 1 Sep 2024 312th Natanaelel 🇸🇪 771 81 15ms 1 Sep 2024 312th GrayJoKing 🇦🇺 771 81 17ms 2 Sep 2024 312th bricknellj 771 81 16ms 6 Sep 2024 312th wh3n3v3r 🇨🇿 771 81 10ms 11 Nov 2024 312th xnor-gate 771 81 15ms 4 Mar 2025 312th retrohun 771 81 16ms 9 Mar 2025 312th 051 🇸🇬 771 81 16ms 8 Oct 2025 312th edsrzf 🇳🇿 771 81 16ms 1 Dec 2025 First Prev 241–320 of 744 Next Last