PalindromemordnilaP in all languages in chars. 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 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 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 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 451st BlankSpruce 638 140 1 Sep 2024 452nd Ripick 636 127 6 Sep 2024 453rd aDwarfNamedUrist 636 138 4 Sep 2024 454th CaedenHarper 🇨🇦 635 91 2 Sep 2024 455th pickerj 635 98 13 Sep 2024 455th dtbao20 🇻🇳 635 98 30 Sep 2024 457th Shanethegamer 🇺🇸 634 72 1 Sep 2024 457th anter69 🇭🇺 634 72 25 Oct 2024 459th olleicua 🇺🇸 630 67 6 Sep 2024 460th KatieLG 🇬🇧 630 112 1 Sep 2024 461st Shanethegamer 🇺🇸 629 120 2 Sep 2024 462nd alexeldridge 628 99 14 Sep 2024 463rd h3ra993huskp 🇯🇵 626 191 27 Dec 2024 464th BalaM314 624 113 4 Feb 2025 465th CaedenHarper 🇨🇦 622 100 2 Sep 2024 465th Kacarott 🇦🇺 622 100 3 Sep 2024 467th snoozingnewt 🇺🇸 621 93 31 Mar 2025 468th kenthie42 621 132 14 Sep 2024 469th Shanethegamer 🇺🇸 620 68 1 Sep 2024 469th emgordon154 620 68 1 Sep 2024 469th rvs314 620 68 24 Sep 2024 472nd SirBogman 🇺🇸 620 75 10 Sep 2024 473rd DialFrost 🇸🇬 619 111 22 Nov 2024 474th KrausRaus 🇺🇸 619 114 1 Sep 2024 475th lifthrasiir 🇰🇷 618 227 11 Dec 2024 476th madex 🇩🇪 616 101 1 Sep 2024 476th RedzGoose 🇦🇺 616 101 15 Oct 2024 478th KatieLG 🇬🇧 612 69 1 Sep 2024 479th sciencejiho 610 102 13 Sep 2024 479th cdesodt 610 102 25 Sep 2024 479th Shanethegamer 🇺🇸 610 102 25 Oct 2024 479th dokutan 610 102 26 Oct 2024 483rd Natanaelel 🇸🇪 608 112 15 May 2025 484th BambooleanLogic 🇸🇪 608 116 19 Nov 2024 485th Shanethegamer 🇺🇸 607 135 1 Sep 2024 486th msbranicky 606 86 16 Sep 2024 487th julian-hoelz 604 103 16 Sep 2024 487th StefanHabel 🇨🇦 604 103 22 Mar 2025 489th Shanethegamer 🇺🇸 603 134 1 Sep 2024 490th SirBogman 🇺🇸 602 61 9 Sep 2024 491st dokutan 601 76 3 Sep 2024 492nd emgordon154 599 138 1 Jan 2025 493rd ComputerKWasTaken 🇺🇸 598 104 2 Sep 2024 493rd elgan65536 598 104 23 Sep 2024 495th inventshah 595 150 1 Sep 2024 496th Shanethegamer 🇺🇸 595 177 4 Sep 2024 497th mousetail 🇳🇱 594 105 3 Sep 2024 498th KatieLG 🇬🇧 593 77 1 Sep 2024 499th CutSandstone 587 106 21 Dec 2024 500th DialFrost 🇸🇬 583 107 1 Sep 2024 501st galloj 🇨🇿 581 107 4 Sep 2024 501st jared-hughes 581 107 10 Sep 2024 501st hamilton-bonds 581 107 12 Nov 2024 501st nstearns96 🇬🇧 581 107 13 Nov 2024 505th cbrt-x 581 151 11 Sep 2024 506th GeorgeStechman 🇬🇧 578 122 5 Nov 2024 507th snoozingnewt 🇺🇸 578 226 1 Sep 2024 508th JesseNoEyes 🇺🇸 576 108 30 Sep 2024 509th xyangst 573 123 15 Oct 2024 510th RedzGoose 🇦🇺 572 101 15 Oct 2024 511th JohandeRuiter 🇳🇱 572 156 2 Sep 2024 512th Mabeloid 🇳🇴 571 109 1 Sep 2024 512th MassimoParisi 571 109 18 Sep 2024 512th klixel 🇨🇦 571 109 21 Sep 2024 512th NotNoper 571 109 29 Oct 2024 516th aliakseikalosha 569 144 5 Sep 2024 517th emgordon154 568 133 16 Dec 2024 518th Shanethegamer 🇺🇸 567 211 1 Sep 2024 519th aksyristos 560 111 1 Sep 2024 520th ravnskjaer 🇩🇰 559 214 11 Sep 2024 521st dokutan 558 147 3 Nov 2024 522nd MostParsingVex 558 160 30 Sep 2024 523rd dokutan 555 132 1 Sep 2024 524th RedzGoose 🇦🇺 553 145 9 Sep 2024 525th msbranicky 543 135 1 Sep 2024 Prev 451–525 of 611 Next