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 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 Chars Time 451st msbranicky 655 95 8 Jan 2025 452nd albanian-laundromat 655 189 10 days ago 453rd lukechampine 655 200 7 Jun 2025 453rd jerrandolph 655 200 3 days ago 455th Shanethegamer 🇺🇸 653 135 1 Sep 2024 456th CaedenHarper 🇨🇦 652 201 3 Jan 2025 457th TFeld00 🇩🇰 649 65 3 Sep 2024 458th fgrosshans 🇫🇷 649 96 1 Sep 2024 458th mm1013g 649 96 2 Sep 2024 458th Mikey-Beep 🇬🇧 649 96 2 Sep 2024 458th JudeTyrrell 649 96 22 Sep 2024 462nd ShiraJoseph 🇺🇸 648 109 22 Sep 2024 463rd voytxt 🇨🇿 646 93 17 Apr 2025 464th msbranicky 646 203 1 Sep 2024 465th error256 645 106 18 Apr 2025 466th stefangimmillaro 643 71 3 Sep 2024 467th kg583 🇺🇸 643 109 23 Aug 2025 468th mrxz 🇳🇱 643 110 22 Sep 2024 468th weliveinhell 🇭🇹 643 110 28 Sep 2024 470th scpchicken 🇵🇼 642 97 8 Sep 2024 470th Carlettos1 642 97 14 Sep 2024 472nd Waffle3z 642 107 2 Oct 2024 473rd BlankSpruce 639 140 1 Sep 2024 474th SirBogman 🇺🇸 637 73 23 Jul 2025 475th pickerj 636 98 13 Sep 2024 475th dtbao20 🇻🇳 636 98 30 Sep 2024 475th YAJUE114514 636 98 30 Jul 2025 478th aDwarfNamedUrist 636 138 4 Sep 2024 479th Shanethegamer 🇺🇸 634 72 1 Sep 2024 479th anter69 🇭🇺 634 72 25 Oct 2024 481st Ripick 633 127 6 Sep 2024 482nd stefangimmillaro 632 188 4 Jun 2025 483rd KatieLG 🇬🇧 631 112 1 Sep 2024 483rd CaedenHarper 🇨🇦 631 112 22 Aug 2025 485th olleicua 🇺🇸 630 67 6 Sep 2024 486th alexeldridge 629 99 14 Sep 2024 486th Just4FunCoder 629 99 10 days ago 488th h3ra993huskp 🇯🇵 626 191 27 Dec 2024 488th Shanethegamer 🇺🇸 626 191 35 mins ago 490th BalaM314 625 113 4 Feb 2025 491st cthierfelder 🇲🇨 624 193 18 days ago 492nd Kacarott 🇦🇺 623 100 3 Sep 2024 493rd SirBogman 🇺🇸 622 59 23 Jul 2025 494th snoozingnewt 🇺🇸 622 93 31 Mar 2025 495th Shanethegamer 🇺🇸 620 68 1 Sep 2024 495th emgordon154 620 68 1 Sep 2024 495th rvs314 620 68 24 Sep 2024 498th KrausRaus 🇺🇸 620 114 1 Sep 2024 499th emgordon154 619 41 30 Jul 2025 500th MeWhenI 🇻🇦 619 86 9 days ago 501st DialFrost 🇸🇬 619 111 22 Nov 2024 502nd lifthrasiir 🇰🇷 618 227 11 Dec 2024 503rd madex 🇩🇪 617 101 1 Sep 2024 503rd RedzGoose 🇦🇺 617 101 15 Oct 2024 503rd Flekay 🇩🇪 617 101 10 Jul 2025 506th KatieLG 🇬🇧 612 69 1 Sep 2024 507th aliakseikalosha 612 144 5 Sep 2024 508th sciencejiho 611 102 13 Sep 2024 508th FortuiteMan 🇫🇷 611 102 25 Sep 2024 510th Natanaelel 🇸🇪 611 112 15 May 2025 511th Shanethegamer 🇺🇸 610 102 25 Oct 2024 511th dokutan 610 102 26 Oct 2024 513th BambooleanLogic 🇸🇪 609 116 19 Nov 2024 513th acollett89 609 116 4 Aug 2025 515th msbranicky 606 86 16 Sep 2024 516th julian-hoelz 605 103 16 Sep 2024 516th StefanHabel 🇨🇦 605 103 22 Mar 2025 518th dokutan 601 76 3 Sep 2024 519th Shanethegamer 🇺🇸 600 134 1 Sep 2024 520th dokutan 600 147 3 Nov 2024 521st ComputerKWasTaken 🇺🇸 599 104 2 Sep 2024 521st elgan65536 599 104 23 Sep 2024 523rd emgordon154 599 138 1 Jan 2025 524th inventshah 597 150 1 Sep 2024 525th Shanethegamer 🇺🇸 595 177 4 Sep 2024 Prev 451–525 of 655 Next