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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 451st olleicua 🇺🇸 680 104 11 Sep 2024 451st charliegaming 680 104 28 Nov 2024 453rd snoozingnewt 🇺🇸 679 93 31 Mar 2025 454th kaascevich 679 116 6 days ago 455th edsrzf 🇳🇿 678 92 10 Oct 2024 456th BlankSpruce 678 158 1 Sep 2024 457th dcgjb 674 69 11 Sep 2024 458th DialFrost 🇸🇬 673 76 1 Aug 2025 459th MeWhenI 🇻🇦 673 117 2 Sep 2024 459th stefangimmillaro 673 117 2 Sep 2024 461st madex 🇩🇪 671 177 17 Sep 2024 462nd stefangimmillaro 670 63 2 Sep 2024 462nd SirBogman 🇺🇸 670 63 5 Sep 2024 464th chunes3 🇺🇸 668 112 1 Sep 2024 465th alicethecatwhisperermeow 668 132 14 Sep 2024 466th stefangimmillaro 668 179 4 Sep 2024 467th madeforlosers 667 106 23 Oct 2024 468th voytxt 🇨🇿 664 93 17 Apr 2025 469th GolfingSuccess 🇬🇷 662 162 1 Sep 2024 469th ovs-code 🇩🇪 662 162 1 Sep 2024 471st Maznek 661 107 8 Oct 2024 471st dokutan 661 107 5 Jun 2025 473rd dokutan 660 79 3 Sep 2024 474th edsrzf 🇳🇿 660 104 22 May 2025 475th LeoCh01 658 116 1 Sep 2024 476th DialFrost 🇸🇬 656 181 12 Apr 2025 476th error256 656 181 22 May 2025 478th msbranicky 655 95 8 Jan 2025 479th albanian-laundromat 655 189 7 days ago 480th lukechampine 655 200 7 Jun 2025 480th jerrandolph 655 200 52 mins ago 482nd Shanethegamer 🇺🇸 653 135 1 Sep 2024 483rd CaedenHarper 🇨🇦 652 201 3 Jan 2025 484th Shanethegamer 🇺🇸 650 95 8 Jan 2025 485th TFeld00 🇩🇰 649 65 3 Sep 2024 486th ShiraJoseph 🇺🇸 648 109 22 Sep 2024 487th msbranicky 646 203 1 Sep 2024 488th error256 645 106 18 Apr 2025 489th stefangimmillaro 643 71 3 Sep 2024 490th mrxz 🇳🇱 643 110 22 Sep 2024 490th weliveinhell 🇭🇹 643 110 28 Sep 2024 492nd Waffle3z 642 107 2 Oct 2024 493rd Zhenyu-Bo 642 119 1 Aug 2025 494th anter69 🇭🇺 639 66 25 Oct 2024 494th tatzyr 🇯🇵 639 66 29 Jan 2025 496th BlankSpruce 639 140 1 Sep 2024 497th SirBogman 🇺🇸 637 73 23 Jul 2025 498th lhulinsky 636 120 23 Oct 2024 498th arjunarya1 636 120 9 days ago 500th aDwarfNamedUrist 636 138 4 Sep 2024 501st Shanethegamer 🇺🇸 634 72 1 Sep 2024 501st anter69 🇭🇺 634 72 25 Oct 2024 503rd Ripick 633 127 6 Sep 2024 504th dokutan 632 120 1 Sep 2024 504th Shanethegamer 🇺🇸 632 120 2 Sep 2024 506th stefangimmillaro 632 188 4 Jun 2025 507th KatieLG 🇬🇧 631 112 1 Sep 2024 507th CaedenHarper 🇨🇦 631 112 22 Aug 2025 509th olleicua 🇺🇸 630 67 6 Sep 2024 510th kevinnaviapaiva 626 122 16 Feb 2025 511th h3ra993huskp 🇯🇵 626 191 27 Dec 2024 512th RedzGoose 🇦🇺 625 101 15 Oct 2024 513th BalaM314 625 113 4 Feb 2025 514th cthierfelder 🇲🇨 624 193 15 days ago 515th SirBogman 🇺🇸 622 59 23 Jul 2025 516th eddvrs 621 123 29 Sep 2024 517th Shanethegamer 🇺🇸 620 68 1 Sep 2024 517th emgordon154 620 68 1 Sep 2024 517th rvs314 620 68 24 Sep 2024 520th KrausRaus 🇺🇸 620 114 1 Sep 2024 521st emgordon154 619 41 30 Jul 2025 522nd MeWhenI 🇻🇦 619 86 6 days ago 523rd DialFrost 🇸🇬 619 111 22 Nov 2024 524th lifthrasiir 🇰🇷 618 227 11 Dec 2024 525th yokasuretsu 616 124 10 Jul 2025 Prev 451–525 of 658 Next