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 Trinomial Triangle 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 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 Trinomial Triangle 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 Turtle Tutorial # Golfer Points Chars Time 451st Maznek 661 107 8 Oct 2024 452nd Shanethegamer 🇺🇸 660 91 5 Sep 2024 453rd dokutan 659 64 23 Feb 2025 454th DialFrost 🇸🇬 659 181 12 Apr 2025 454th error256 659 181 22 May 2025 456th NickTheEASDude 🇺🇸 657 105 11 days ago 457th msbranicky 656 95 1 Sep 2024 457th Bulmenisaurus 656 95 4 Sep 2024 457th btjones0 656 95 13 Sep 2024 457th jfallon1997 656 95 26 Sep 2024 457th jacekwladzinski 656 95 10 days ago 462nd msbranicky 655 95 8 Jan 2025 463rd Shanethegamer 🇺🇸 655 135 1 Sep 2024 464th albanian-laundromat 655 189 14 Sep 2025 465th lukechampine 655 200 7 Jun 2025 465th jerrandolph 655 200 26 days ago 467th CaedenHarper 🇨🇦 652 201 3 Jan 2025 468th TFeld00 🇩🇰 649 65 3 Sep 2024 469th fgrosshans 🇫🇷 649 96 1 Sep 2024 469th mm1013g 649 96 2 Sep 2024 469th Mikey-Beep 🇬🇧 649 96 2 Sep 2024 469th JudeTyrrell 649 96 22 Sep 2024 473rd ShiraJoseph 🇺🇸 649 109 22 Sep 2024 474th voytxt 🇨🇿 646 93 17 Apr 2025 475th msbranicky 646 203 1 Sep 2024 476th error256 645 106 18 Apr 2025 477th Waffle3z 645 107 2 Oct 2024 478th stefangimmillaro 643 71 3 Sep 2024 479th scpchicken 🇵🇼 643 97 8 Sep 2024 479th Carlettos1 643 97 14 Sep 2024 481st mrxz 🇳🇱 643 110 22 Sep 2024 481st weliveinhell 🇭🇹 643 110 28 Sep 2024 483rd BlankSpruce 641 140 1 Sep 2024 484th aDwarfNamedUrist 638 138 4 Sep 2024 485th stefangimmillaro 638 151 12 days ago 486th pickerj 636 98 13 Sep 2024 486th dtbao20 🇻🇳 636 98 30 Sep 2024 486th YAJUE114514 636 98 30 Jul 2025 489th Shanethegamer 🇺🇸 634 72 1 Sep 2024 489th anter69 🇭🇺 634 72 25 Oct 2024 491st SirBogman 🇺🇸 634 73 23 Jul 2025 492nd stefangimmillaro 634 188 4 Jun 2025 493rd Ripick 633 127 6 Sep 2024 494th CaedenHarper 🇨🇦 632 112 22 Aug 2025 495th olleicua 🇺🇸 630 67 6 Sep 2024 496th alexeldridge 630 99 14 Sep 2024 496th Just4FunCoder 630 99 14 Sep 2025 498th BalaM314 626 113 4 Feb 2025 499th cthierfelder 🇲🇨 624 193 5 Sep 2025 500th Kacarott 🇦🇺 623 100 3 Sep 2024 501st SirBogman 🇺🇸 622 59 23 Jul 2025 502nd DialFrost 🇸🇬 622 111 22 Nov 2024 503rd KrausRaus 🇺🇸 621 114 1 Sep 2024 503rd snoozingnewt 🇺🇸 621 114 5 days ago 505th Shanethegamer 🇺🇸 620 68 1 Sep 2024 505th emgordon154 620 68 1 Sep 2024 505th rvs314 620 68 24 Sep 2024 508th emgordon154 619 41 30 Jul 2025 509th MeWhenI 🇻🇦 619 86 15 Sep 2025 510th lifthrasiir 🇰🇷 618 227 11 Dec 2024 511th madex 🇩🇪 617 101 1 Sep 2024 511th RedzGoose 🇦🇺 617 101 15 Oct 2024 511th Flekay 🇩🇪 617 101 10 Jul 2025 514th Andrey-Plotnikov 615 115 18 days ago 515th aliakseikalosha 614 144 5 Sep 2024 516th sciencejiho 611 102 13 Sep 2024 516th FortuiteMan 🇫🇷 611 102 25 Sep 2024 518th Natanaelel 🇸🇪 611 112 15 May 2025 519th Shanethegamer 🇺🇸 610 102 25 Oct 2024 519th dokutan 610 102 26 Oct 2024 521st BambooleanLogic 🇸🇪 610 116 19 Nov 2024 521st acollett89 610 116 4 Aug 2025 523rd msbranicky 606 86 16 Sep 2024 524th emgordon154 606 138 1 Jan 2025 525th julian-hoelz 605 103 16 Sep 2024 First Prev 451–525 of 673 Next Last