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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 451st Shanethegamer 🇺🇸 652 135 1 Sep 2024 452nd CaedenHarper 🇨🇦 650 201 3 Jan 2025 453rd TFeld00 🇩🇰 649 65 3 Sep 2024 454th fgrosshans 🇫🇷 649 96 1 Sep 2024 454th mm1013g 649 96 2 Sep 2024 454th Mikey-Beep 🇬🇧 649 96 2 Sep 2024 454th JudeTyrrell 649 96 22 Sep 2024 458th ShiraJoseph 🇺🇸 648 109 22 Sep 2024 459th voytxt 🇨🇿 646 93 17 Apr 2025 460th error256 645 106 18 Apr 2025 461st albanian-laundromat 644 192 22 hours ago 462nd stefangimmillaro 643 71 3 Sep 2024 463rd kg583 🇺🇸 643 109 15 days ago 464th msbranicky 643 203 1 Sep 2024 465th scpchicken 🇵🇼 642 97 8 Sep 2024 465th Carlettos1 642 97 14 Sep 2024 467th Waffle3z 642 107 2 Oct 2024 468th mrxz 🇳🇱 642 110 22 Sep 2024 468th weliveinhell 🇭🇹 642 110 28 Sep 2024 470th BlankSpruce 639 140 1 Sep 2024 471st SirBogman 🇺🇸 637 73 23 Jul 2025 472nd aDwarfNamedUrist 636 138 4 Sep 2024 473rd pickerj 635 98 13 Sep 2024 473rd dtbao20 🇻🇳 635 98 30 Sep 2024 473rd YAJUE114514 635 98 30 Jul 2025 476th Shanethegamer 🇺🇸 634 72 1 Sep 2024 476th anter69 🇭🇺 634 72 25 Oct 2024 478th Ripick 633 127 6 Sep 2024 479th stefangimmillaro 632 188 4 Jun 2025 480th KatieLG 🇬🇧 631 112 1 Sep 2024 480th CaedenHarper 🇨🇦 631 112 16 days ago 482nd olleicua 🇺🇸 630 67 6 Sep 2024 483rd alexeldridge 629 99 14 Sep 2024 484th h3ra993huskp 🇯🇵 626 191 27 Dec 2024 485th BalaM314 625 113 4 Feb 2025 486th cthierfelder 🇲🇨 624 193 47 hours ago 487th Kacarott 🇦🇺 623 100 3 Sep 2024 488th SirBogman 🇺🇸 622 59 23 Jul 2025 489th snoozingnewt 🇺🇸 622 93 31 Mar 2025 490th Shanethegamer 🇺🇸 620 68 1 Sep 2024 490th emgordon154 620 68 1 Sep 2024 490th rvs314 620 68 24 Sep 2024 493rd KrausRaus 🇺🇸 620 114 1 Sep 2024 494th emgordon154 619 41 30 Jul 2025 495th DialFrost 🇸🇬 619 111 22 Nov 2024 496th lifthrasiir 🇰🇷 618 227 11 Dec 2024 497th madex 🇩🇪 617 101 1 Sep 2024 497th RedzGoose 🇦🇺 617 101 15 Oct 2024 497th Flekay 🇩🇪 617 101 10 Jul 2025 500th KatieLG 🇬🇧 612 69 1 Sep 2024 501st sciencejiho 611 102 13 Sep 2024 501st FortuiteMan 🇫🇷 611 102 25 Sep 2024 503rd Natanaelel 🇸🇪 611 112 15 May 2025 504th aliakseikalosha 611 144 5 Sep 2024 505th Shanethegamer 🇺🇸 610 102 25 Oct 2024 505th dokutan 610 102 26 Oct 2024 507th BambooleanLogic 🇸🇪 609 116 19 Nov 2024 507th acollett89 609 116 4 Aug 2025 509th msbranicky 606 86 16 Sep 2024 510th julian-hoelz 605 103 16 Sep 2024 510th StefanHabel 🇨🇦 605 103 22 Mar 2025 512th dokutan 601 76 3 Sep 2024 513th Shanethegamer 🇺🇸 600 134 1 Sep 2024 514th ComputerKWasTaken 🇺🇸 599 104 2 Sep 2024 514th elgan65536 599 104 23 Sep 2024 516th emgordon154 599 138 1 Jan 2025 517th dokutan 599 147 3 Nov 2024 518th inventshah 597 150 1 Sep 2024 519th Shanethegamer 🇺🇸 595 177 4 Sep 2024 520th mousetail 🇳🇱 594 105 3 Sep 2024 521st BREMAUCY 🇫🇷 594 316 7 Aug 2025 522nd KatieLG 🇬🇧 593 77 1 Sep 2024 523rd CutSandstone 587 106 21 Dec 2024 524th Shanethegamer 🇺🇸 584 120 2 Sep 2024 525th DialFrost 🇸🇬 583 107 1 Sep 2024 Prev 451–525 of 647 Next