PalindromemordnilaP in all languages in bytes. 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 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 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 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 451st elgan65536 693 172 204ms 23 Sep 2024 452nd sean-niemann 🇺🇸 692 107 4ms 23 Aug 2025 453rd stefangimmillaro 691 90 2,112ms 14 Nov 2024 454th Shanethegamer 🇺🇸 689 206 33ms 4 Sep 2024 455th retrohun 688 89 106ms 1 Sep 2024 456th aksyristos 688 111 12ms 1 Sep 2024 456th wh3n3v3r 🇨🇿 688 111 10ms 11 Nov 2024 456th AstroOrbis 688 111 10ms 30 Jun 2025 459th JunkIce 687 92 811ms 3 Dec 2024 460th GolfingSuccess 🇬🇷 685 131 2ms 1 Sep 2024 461st kaascevich 682 116 1,692ms 15 Sep 2025 462nd edsrzf 🇳🇿 682 118 361ms 25 Jun 2025 463rd emgordon154 682 288 1,681ms 2 Oct 2024 464th DialFrost 🇸🇬 681 62 41ms 30 Jan 2025 465th DialFrost 🇸🇬 681 118 78ms 22 Jun 2025 466th snoozingnewt 🇺🇸 680 93 795ms 31 Mar 2025 467th olleicua 🇺🇸 680 104 9ms 11 Sep 2024 467th charliegaming 680 104 9ms 28 Nov 2024 469th edsrzf 🇳🇿 678 92 4ms 10 Oct 2024 470th BlankSpruce 678 158 69ms 1 Sep 2024 471st MeWhenI 🇻🇦 677 117 110ms 2 Sep 2024 471st stefangimmillaro 677 117 93ms 2 Sep 2024 473rd dcgjb 674 69 338ms 11 Sep 2024 474th DialFrost 🇸🇬 673 76 16ms 1 Aug 2025 475th madex 🇩🇪 673 177 215ms 17 Sep 2024 476th stefangimmillaro 670 63 34ms 2 Sep 2024 476th SirBogman 🇺🇸 670 63 34ms 5 Sep 2024 478th alicethecatwhisperermeow 669 132 340ms 14 Sep 2024 479th chunes3 🇺🇸 668 112 75ms 1 Sep 2024 480th madeforlosers 667 106 9ms 23 Oct 2024 481st voytxt 🇨🇿 664 93 157ms 17 Apr 2025 482nd edsrzf 🇳🇿 663 104 2ms 22 May 2025 483rd GolfingSuccess 🇬🇷 662 162 383ms 1 Sep 2024 483rd ovs-code 🇩🇪 662 162 2,252ms 1 Sep 2024 485th Maznek 661 107 11ms 8 Oct 2024 485th dokutan 661 107 10ms 5 Jun 2025 487th dokutan 660 79 207ms 3 Sep 2024 488th LeoCh01 659 116 10ms 1 Sep 2024 489th DialFrost 🇸🇬 659 181 197ms 12 Apr 2025 489th error256 659 181 177ms 22 May 2025 491st NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 492nd msbranicky 655 95 1,996ms 8 Jan 2025 493rd Shanethegamer 🇺🇸 655 135 394ms 1 Sep 2024 494th albanian-laundromat 655 189 51ms 14 Sep 2025 495th lukechampine 655 200 262ms 7 Jun 2025 495th jerrandolph 655 200 248ms 21 Sep 2025 497th Shanethegamer 🇺🇸 650 95 139ms 8 Jan 2025 498th TFeld00 🇩🇰 649 65 36ms 3 Sep 2024 499th ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 500th msbranicky 646 203 249ms 1 Sep 2024 501st error256 645 106 18ms 18 Apr 2025 502nd Waffle3z 645 107 2ms 2 Oct 2024 503rd stefangimmillaro 643 71 961ms 3 Sep 2024 504th mrxz 🇳🇱 643 110 9ms 22 Sep 2024 504th weliveinhell 🇭🇹 643 110 8ms 28 Sep 2024 506th Zhenyu-Bo 642 119 10ms 1 Aug 2025 507th BlankSpruce 641 140 2ms 1 Sep 2024 508th anter69 🇭🇺 639 66 35ms 25 Oct 2024 509th aDwarfNamedUrist 638 138 135ms 4 Sep 2024 510th stefangimmillaro 638 151 342ms 6 Oct 2025 511th SirBogman 🇺🇸 637 73 281ms 23 Jul 2025 512th lhulinsky 637 120 14ms 23 Oct 2024 512th arjunarya1 637 120 10ms 11 Sep 2025 514th Shanethegamer 🇺🇸 634 72 1,020ms 1 Sep 2024 514th anter69 🇭🇺 634 72 997ms 25 Oct 2024 516th stefangimmillaro 634 188 202ms 4 Jun 2025 517th Ripick 633 127 349ms 6 Sep 2024 518th KatieLG 🇬🇧 632 112 13ms 1 Sep 2024 518th CaedenHarper 🇨🇦 632 112 12ms 22 Aug 2025 520th dokutan 632 120 7ms 1 Sep 2024 520th Shanethegamer 🇺🇸 632 120 8ms 2 Sep 2024 522nd olleicua 🇺🇸 630 67 37ms 6 Sep 2024 523rd RedzGoose 🇦🇺 626 101 544ms 15 Oct 2024 524th BalaM314 626 113 9ms 4 Feb 2025 525th kevinnaviapaiva 626 122 12ms 16 Feb 2025 First Prev 451–525 of 683 Next Last