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 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 Hilbert Curve 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 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 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 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 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 Hilbert Curve 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 msbranicky 643 203 1 Sep 2024 452nd scpchicken 🇵🇼 642 97 8 Sep 2024 452nd Carlettos1 642 97 14 Sep 2024 454th error256 642 106 18 Apr 2025 455th Waffle3z 642 107 2 Oct 2024 456th mrxz 🇳🇱 642 110 22 Sep 2024 456th weliveinhell 🇭🇹 642 110 28 Sep 2024 458th BlankSpruce 638 140 1 Sep 2024 459th SirBogman 🇺🇸 637 73 10 days ago 460th aDwarfNamedUrist 636 138 4 Sep 2024 461st CaedenHarper 🇨🇦 635 91 2 Sep 2024 462nd pickerj 635 98 13 Sep 2024 462nd dtbao20 🇻🇳 635 98 30 Sep 2024 462nd YAJUE114514 635 98 3 days ago 465th Shanethegamer 🇺🇸 634 72 1 Sep 2024 465th anter69 🇭🇺 634 72 25 Oct 2024 467th Ripick 633 127 6 Sep 2024 468th stefangimmillaro 632 188 4 Jun 2025 469th olleicua 🇺🇸 630 67 6 Sep 2024 470th KatieLG 🇬🇧 630 112 1 Sep 2024 471st alexeldridge 629 99 14 Sep 2024 472nd Shanethegamer 🇺🇸 629 120 2 Sep 2024 473rd h3ra993huskp 🇯🇵 626 191 27 Dec 2024 474th BalaM314 625 113 4 Feb 2025 475th CaedenHarper 🇨🇦 623 100 2 Sep 2024 475th Kacarott 🇦🇺 623 100 3 Sep 2024 477th SirBogman 🇺🇸 622 59 10 days ago 478th snoozingnewt 🇺🇸 621 93 31 Mar 2025 479th Shanethegamer 🇺🇸 620 68 1 Sep 2024 479th emgordon154 620 68 1 Sep 2024 479th rvs314 620 68 24 Sep 2024 482nd emgordon154 619 41 3 days ago 483rd DialFrost 🇸🇬 619 111 22 Nov 2024 484th KrausRaus 🇺🇸 619 114 1 Sep 2024 485th lifthrasiir 🇰🇷 618 227 11 Dec 2024 486th madex 🇩🇪 617 101 1 Sep 2024 486th RedzGoose 🇦🇺 617 101 15 Oct 2024 486th Flekay 🇩🇪 617 101 22 days ago 489th KatieLG 🇬🇧 612 69 1 Sep 2024 490th sciencejiho 611 102 13 Sep 2024 490th cdesodt 611 102 25 Sep 2024 492nd aliakseikalosha 611 144 5 Sep 2024 493rd Shanethegamer 🇺🇸 610 102 25 Oct 2024 493rd dokutan 610 102 26 Oct 2024 495th BambooleanLogic 🇸🇪 609 116 19 Nov 2024 496th Natanaelel 🇸🇪 608 112 15 May 2025 497th msbranicky 606 86 16 Sep 2024 498th julian-hoelz 605 103 16 Sep 2024 498th StefanHabel 🇨🇦 605 103 22 Mar 2025 500th dokutan 601 76 3 Sep 2024 501st Shanethegamer 🇺🇸 600 134 1 Sep 2024 502nd ComputerKWasTaken 🇺🇸 599 104 2 Sep 2024 502nd elgan65536 599 104 23 Sep 2024 504th emgordon154 599 138 1 Jan 2025 505th dokutan 599 147 3 Nov 2024 506th albanian-laundromat 598 207 17 days ago 507th inventshah 595 150 1 Sep 2024 508th Shanethegamer 🇺🇸 595 177 4 Sep 2024 509th mousetail 🇳🇱 594 105 3 Sep 2024 510th KatieLG 🇬🇧 593 77 1 Sep 2024 511th acollett89 588 120 15 days ago 512th CutSandstone 587 106 21 Dec 2024 513th DialFrost 🇸🇬 583 107 1 Sep 2024 514th galloj 🇨🇿 582 107 4 Sep 2024 514th jared-hughes 582 107 10 Sep 2024 514th nstearns96 🇬🇧 582 107 13 Nov 2024 517th cbrt-x 581 151 11 Sep 2024 518th GeorgeStechman 🇬🇧 579 122 5 Nov 2024 519th snoozingnewt 🇺🇸 578 226 1 Sep 2024 520th JesseNoEyes 🇺🇸 577 108 30 Sep 2024 521st Upload-and-View 🇺🇦 577 119 10 days ago 522nd xyangst 574 123 15 Oct 2024 523rd RedzGoose 🇦🇺 572 101 15 Oct 2024 524th JohandeRuiter 🇳🇱 572 156 2 Sep 2024 525th Mabeloid 🇳🇴 571 109 1 Sep 2024 Prev 451–525 of 630 Next