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 241st HumanoidCPU 832 70 385ms 2 Sep 2024 241st dokutan 832 70 393ms 14 Feb 2026 243rd MeWhenI 🇻🇦 832 75 2,277ms 24 Oct 2024 243rd duckyluuk 🇳🇱 832 75 2,516ms 25 Oct 2024 245th nwellnhof 🇩🇪 832 108 2ms 10 Sep 2024 246th sean-niemann 🇺🇸 832 112 486ms 4 Sep 2024 247th MeWhenI 🇻🇦 830 45 4ms 1 Sep 2024 248th ovs-code 🇩🇪 830 61 252ms 1 Sep 2024 249th emgordon154 829 59 8ms 15 Nov 2024 250th edsrzf 🇳🇿 828 118 75ms 14 days ago 251st emplv 🇱🇻 827 159 281ms 18 Sep 2024 252nd MeWhenI 🇻🇦 825 98 401ms 2 Sep 2024 253rd duckyluuk 🇳🇱 824 86 15ms 1 Sep 2024 254th error256 824 98 150ms 12 Feb 2026 255th CLOStrophobic 🇮🇹 824 108 6ms 19 Feb 2025 256th edsrzf 🇳🇿 823 134 31ms 23 days ago 257th o0BlackDragon0o 822 76 12ms 8 Sep 2024 257th Bombalech 822 76 13ms 8 Sep 2024 257th JunkIce 822 76 10ms 24 Nov 2024 260th KatieLG 🇬🇧 820 71 373ms 28 Oct 2024 260th GolfingSuccess 🇬🇷 820 71 393ms 25 days ago 262nd rak1507 🇬🇧 819 31 3ms 11 Sep 2024 263rd sean-niemann 🇺🇸 819 151 83ms 16 Jan 2025 264th JayXon 🇺🇸 818 243 1,867ms 10 Jul 2025 265th GrayJoKing 🇦🇺 817 108 7ms 7 Mar 2026 266th AlephSquirrel 816 109 7ms 18 Feb 2025 267th canissimia 🇦🇶 816 116 13ms 4 Sep 2024 268th m-tkach 🇺🇦 816 170 658ms 15 Jan 2025 269th error256 815 77 5ms 1 Sep 2024 270th RyanMHsiao 815 244 1,824ms 25 Sep 2024 271st ovs-code 🇩🇪 814 52 36ms 1 Sep 2024 272nd GrayJoKing 🇦🇺 814 84 14ms 1 Sep 2024 272nd annaproxy 814 84 17ms 22 Oct 2024 274th tomtheisen 🇺🇸 814 109 413ms 8 Nov 2024 275th GolfingSuccess 🇬🇷 814 120 72ms 17 days ago 276th error256 810 150 27ms 5 May 2025 277th MostParsingVex 809 153 42ms 3 Oct 2024 278th primo-ppcg 🇹🇭 809 232 145ms 1 Dec 2025 279th error256 808 87 6ms 16 Apr 2025 279th edsrzf 🇳🇿 808 87 7ms 1 Dec 2025 281st SirBogman 🇺🇸 806 155 44ms 3 Sep 2024 282nd Shanethegamer 🇺🇸 805 145 1,282ms 4 Sep 2024 283rd MeWhenI 🇻🇦 805 157 15ms 7 Sep 2024 284th GolfingSuccess 🇬🇷 805 210 1,406ms 8 Feb 2025 285th ovs-code 🇩🇪 802 175 9ms 30 Sep 2024 286th emgordon154 801 211 1,444ms 24 Jan 2025 287th MeWhenI 🇻🇦 800 101 132ms 3 Sep 2024 288th MeWhenI 🇻🇦 799 50 3ms 1 Sep 2024 288th retrohun 799 50 3ms 9 Mar 2025 290th namelessiw 799 111 457ms 22 Apr 2025 291st error256 799 146 1,341ms 2 May 2025 292nd albanian-laundromat 798 201 4ms 23 Jan 2026 293rd nwellnhof 🇩🇪 797 134 447ms 2 Sep 2024 293rd tailorspy 797 134 575ms 16 Sep 2024 295th DialFrost 🇸🇬 796 94 83ms 17 Mar 2025 296th pardouin 🇫🇷 794 73 81ms 3 Sep 2024 296th Steffan153 🇫🇮 794 73 78ms 21 Feb 2026 298th kg583 🇺🇸 794 112 11ms 9 May 2025 299th lifthrasiir 🇰🇷 793 32 2ms 29 Nov 2024 299th emgordon154 793 32 2ms 26 days ago 301st rucin93 🇵🇱 792 76 153ms 31 Oct 2024 302nd stefangimmillaro 792 166 276ms 4 Sep 2024 303rd FlorianCassayre 🇫🇷 791 79 11ms 15 Sep 2024 304th kg583 🇺🇸 790 89 7ms 20 Dec 2025 305th mousetail 🇳🇱 789 62 59ms 3 Sep 2024 305th GolfingSuccess 🇬🇷 789 62 10ms 2 Dec 2025 307th kg583 🇺🇸 788 124 72ms 16 days ago 308th ovs-code 🇩🇪 787 95 78ms 1 Sep 2024 309th sean-niemann 🇺🇸 785 113 433ms 5 Sep 2024 310th rzv-me 784 80 5ms 5 Oct 2024 311th error256 783 154 201ms 12 Feb 2026 312th albanian-laundromat 782 114 2ms 27 Nov 2025 313th nwellnhof 🇩🇪 781 80 14ms 4 Sep 2024 313th canissimia 🇦🇶 781 80 15ms 12 Sep 2024 313th RaBa21 🇭🇺 781 80 10ms 18 Jul 2025 313th 4atj 781 80 16ms 1 Dec 2025 313th HPWiz 🇳🇿 781 80 15ms 6 Dec 2025 313th zgialor-lab 781 80 10ms 17 Dec 2025 319th KingSkyrock 🇺🇸 779 91 10ms 14 Oct 2024 319th HumanoidCPU 779 91 10ms 22 Nov 2025 First Prev 241–320 of 772 Next Last