PalindromemordnilaP in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi 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 Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi 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 Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 480th SirBogman 🇺🇸 671 63 37ms 5 Sep 2024 482nd dokutan 671 78 179ms 3 Sep 2024 483rd adamnielson42 🇺🇸 671 93 10ms 7 Oct 2024 483rd smiksky 🇺🇸 671 93 11ms 16 Oct 2024 483rd guilhem-roy 🇫🇷 671 93 13ms 31 May 2025 486th madeforlosers 668 106 10ms 23 Oct 2024 487th chunes3 🇺🇸 668 112 64ms 1 Sep 2024 488th prestosilver 🇺🇸 668 121 435ms 13 days ago 489th Steffan153 🇫🇮 666 87 74ms 6 days ago 490th mousetail 🇳🇱 664 94 12ms 1 Sep 2024 490th ljweel 664 94 10ms 12 Sep 2024 492nd DialFrost 🇸🇬 663 181 201ms 12 Apr 2025 493rd Maznek 662 107 10ms 8 Oct 2024 494th dokutan 661 64 36ms 23 Feb 2025 495th Shanethegamer 🇺🇸 661 91 147ms 5 Sep 2024 496th GolfingSuccess 🇬🇷 660 162 407ms 1 Sep 2024 496th ovs-code 🇩🇪 660 162 2,413ms 1 Sep 2024 498th msbranicky 657 95 10ms 1 Sep 2024 498th Bulmenisaurus 657 95 13ms 4 Sep 2024 498th btjones0 657 95 10ms 13 Sep 2024 498th jfallon1997 657 95 11ms 26 Sep 2024 498th jacekwladzinski 657 95 10ms 7 Oct 2025 498th aalec 657 95 10ms 8 Nov 2025 504th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 505th Shanethegamer 🇺🇸 657 135 435ms 1 Sep 2024 506th msbranicky 656 136 3ms 1 Sep 2024 507th msbranicky 655 95 2,221ms 8 Jan 2025 508th albanian-laundromat 655 189 44ms 14 Sep 2025 509th lukechampine 655 200 286ms 7 Jun 2025 509th jerrandolph 655 200 287ms 21 Sep 2025 511th TFeld00 🇩🇰 651 65 35ms 3 Sep 2024 512th fgrosshans 🇫🇷 650 96 10ms 1 Sep 2024 512th mm1013g 650 96 11ms 2 Sep 2024 512th Mikey-Beep 🇬🇧 650 96 12ms 2 Sep 2024 512th JudeTyrrell 650 96 10ms 22 Sep 2024 516th ShiraJoseph 🇺🇸 650 109 11ms 22 Sep 2024 517th voytxt 🇨🇿 647 93 129ms 17 Apr 2025 518th Shanethegamer 🇺🇸 647 206 30ms 4 Sep 2024 519th AlephSquirrel 647 248 3ms 29 Sep 2024 520th msbranicky 646 203 294ms 1 Sep 2024 521st stefangimmillaro 645 71 1,320ms 3 Sep 2024 522nd Waffle3z 645 107 2ms 2 Oct 2024 523rd scpchicken 🇵🇼 644 97 244ms 8 Sep 2024 523rd Carlettos1 644 97 12ms 14 Sep 2024 525th mrxz 🇳🇱 644 110 10ms 22 Sep 2024 525th weliveinhell 🇭🇹 644 110 10ms 28 Sep 2024 527th stefangimmillaro 644 151 494ms 6 Oct 2025 528th BlankSpruce 642 140 2ms 1 Sep 2024 529th aDwarfNamedUrist 640 138 119ms 4 Sep 2024 530th emgordon154 639 113 104ms 4 Dec 2025 531st stefangimmillaro 638 188 203ms 4 Jun 2025 532nd SirBogman 🇺🇸 637 73 311ms 23 Jul 2025 533rd pickerj 637 98 12ms 13 Sep 2024 533rd dtbao20 🇻🇳 637 98 18ms 30 Sep 2024 533rd YAJUE114514 637 98 10ms 30 Jul 2025 536th Shanethegamer 🇺🇸 636 72 1,301ms 1 Sep 2024 536th anter69 🇭🇺 636 72 1,291ms 25 Oct 2024 538th weeble 636 77 8ms 21 Dec 2025 539th Ripick 636 127 392ms 6 Sep 2024 540th emgordon154 635 40 3ms 20 Nov 2025 541st CaedenHarper 🇨🇦 632 112 10ms 22 Aug 2025 542nd olleicua 🇺🇸 631 67 39ms 6 Sep 2024 543rd alexeldridge 631 99 11ms 14 Sep 2024 543rd Just4FunCoder 631 99 10ms 14 Sep 2025 543rd 0xjac 🇨🇭 631 99 11ms 24 Nov 2025 546th cthierfelder 🇲🇨 630 193 77ms 5 Sep 2025 547th BalaM314 627 113 10ms 4 Feb 2025 548th kmathis22 627 155 496ms 14 Dec 2025 549th SirBogman 🇺🇸 626 59 120ms 23 Jul 2025 550th Kacarott 🇦🇺 624 100 10ms 3 Sep 2024 551st Shanethegamer 🇺🇸 622 68 36ms 1 Sep 2024 551st emgordon154 622 68 39ms 1 Sep 2024 551st rvs314 622 68 38ms 24 Sep 2024 554th DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 555th albanian-laundromat 621 69 1,006ms 12 Sep 2025 556th KrausRaus 🇺🇸 621 114 13ms 1 Sep 2024 556th snoozingnewt 🇨🇦 621 114 11ms 12 Oct 2025 558th madex 🇩🇪 618 101 10ms 1 Sep 2024 558th RedzGoose 🇦🇺 618 101 10ms 15 Oct 2024 560th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 First Prev 481–560 of 744 Next Last