PalindromemordnilaP in all languages in bytes. 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 525th Shanethegamer 🇺🇸 632 120 8ms 2 Sep 2024 527th olleicua 🇺🇸 630 67 37ms 6 Sep 2024 528th kevinnaviapaiva 627 122 9ms 16 Feb 2025 529th RedzGoose 🇦🇺 626 101 544ms 15 Oct 2024 530th BalaM314 626 113 10ms 4 Feb 2025 531st cthierfelder 🇲🇨 624 193 65ms 5 Sep 2025 532nd SirBogman 🇺🇸 622 59 119ms 23 Jul 2025 533rd DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 534th eddvrs 622 123 11ms 29 Sep 2024 535th KrausRaus 🇺🇸 621 114 11ms 1 Sep 2024 536th Shanethegamer 🇺🇸 620 68 35ms 1 Sep 2024 536th emgordon154 620 68 36ms 1 Sep 2024 536th rvs314 620 68 36ms 24 Sep 2024 536th tatzyr 🇯🇵 620 68 38ms 10 Oct 2025 540th MeWhenI 🇻🇦 619 86 668ms 15 Sep 2025 541st lifthrasiir 🇰🇷 618 227 47ms 11 Dec 2024 542nd yokasuretsu 617 124 10ms 10 Jul 2025 542nd hamilton-bonds 617 124 9ms 24 Jul 2025 542nd mossiegoat 617 124 9ms 18 Oct 2025 545th Andrey-Plotnikov 615 115 10ms 30 Sep 2025 546th aliakseikalosha 614 144 346ms 5 Sep 2024 547th KatieLG 🇬🇧 612 69 37ms 1 Sep 2024 548th Natanaelel 🇸🇪 611 112 20ms 15 May 2025 549th Shanethegamer 🇺🇸 610 102 2,200ms 25 Oct 2024 549th dokutan 610 102 2,099ms 26 Oct 2024 551st BambooleanLogic 🇸🇪 610 116 11ms 19 Nov 2024 551st acollett89 610 116 9ms 4 Aug 2025 553rd nhausspiegel 607 126 10ms 13 Sep 2024 554th msbranicky 606 86 181ms 16 Sep 2024 555th emgordon154 606 138 11ms 1 Jan 2025 556th matsagad 602 127 9ms 16 Jan 2025 557th Arkadios200 602 132 95ms 11 Oct 2025 558th dokutan 601 76 852ms 3 Sep 2024 559th dokutan 601 147 345ms 3 Nov 2024 560th mamamia5x 600 118 9ms 12 Sep 2024 561st Shanethegamer 🇺🇸 600 134 353ms 1 Sep 2024 562nd Shanethegamer 🇺🇸 599 107 85ms 1 Sep 2024 563rd inventshah 598 150 2ms 1 Sep 2024 564th xyangst 597 128 10ms 12 Oct 2024 564th 123mjb 597 128 10ms 6 days ago 566th emgordon154 595 104 135ms 14 Nov 2024 567th MeWhenI 🇻🇦 595 177 41ms 4 Sep 2024 567th Shanethegamer 🇺🇸 595 177 41ms 4 Sep 2024 569th mousetail 🇳🇱 594 105 8ms 3 Sep 2024 570th BREMAUCY 🇫🇷 594 316 13ms 7 Aug 2025 571st KatieLG 🇬🇧 593 77 918ms 1 Sep 2024 572nd CaedenHarper 🇨🇦 593 149 531ms 16 Oct 2025 573rd KatieLG 🇬🇧 589 135 94ms 3 days ago 574th luuumine 🇫🇷 586 204 193ms 6 days ago 575th DialFrost 🇸🇬 583 107 4ms 1 Sep 2024 576th cbrt-x 583 151 142ms 11 Sep 2024 577th dokutan 582 181 38ms 1 Sep 2024 578th Mabeloid 🇳🇴 580 109 809ms 17 Sep 2024 579th Upload-and-View 🇺🇦 580 119 2ms 23 Jul 2025 580th GeorgeStechman 🇬🇧 580 122 10ms 5 Nov 2024 580th gigaprofisi 🇺🇸 580 122 9ms 10 Aug 2025 582nd snoozingnewt 🇺🇸 580 226 254ms 1 Sep 2024 583rd xyangst 575 123 9ms 15 Oct 2024 584th JohandeRuiter 🇳🇱 575 156 2ms 2 Sep 2024 585th dokutan 570 74 39ms 20 Feb 2025 586th emgordon154 570 133 14ms 16 Dec 2024 587th TeodorDyakov 🇧🇬 564 159 2ms 6 Sep 2025 588th HumanoidCPU 563 110 136ms 3 days ago 589th smiksky 🇺🇸 562 136 9ms 16 Oct 2024 590th tomh1012 561 126 11ms 18 Sep 2025 591st dokutan 561 132 3ms 1 Sep 2024 592nd MostParsingVex 561 160 43ms 30 Sep 2024 593rd Stockoh 🇫🇷 558 137 10ms 17 Oct 2024 594th brimstonetrader 554 138 10ms 17 Oct 2024 595th RedzGoose 🇦🇺 553 145 109ms 9 Sep 2024 596th dokutan 548 113 139ms 22 Oct 2024 597th msbranicky 548 135 3ms 1 Sep 2024 598th alphafalfa 540 105 4ms 1 Nov 2024 599th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 600th mm1013g 538 142 10ms 2 Sep 2024 First Prev 526–600 of 695 Next Last