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 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 Multitap Input 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 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 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 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 Multitap Input 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 ovs-code 🇩🇪 660 162 2,413ms 1 Sep 2024 482nd msbranicky 657 95 11ms 1 Sep 2024 482nd Bulmenisaurus 657 95 12ms 4 Sep 2024 482nd btjones0 657 95 10ms 13 Sep 2024 482nd jfallon1997 657 95 10ms 26 Sep 2024 482nd jacekwladzinski 657 95 10ms 7 Oct 2025 482nd aalec 657 95 10ms 8 Nov 2025 488th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 489th Shanethegamer 🇺🇸 656 135 422ms 1 Sep 2024 490th msbranicky 656 136 3ms 1 Sep 2024 491st msbranicky 655 95 3,204ms 8 Jan 2025 492nd albanian-laundromat 655 189 44ms 14 Sep 2025 493rd lukechampine 655 200 255ms 7 Jun 2025 493rd jerrandolph 655 200 264ms 21 Sep 2025 495th TFeld00 🇩🇰 650 65 38ms 3 Sep 2024 496th fgrosshans 🇫🇷 650 96 10ms 1 Sep 2024 496th mm1013g 650 96 11ms 2 Sep 2024 496th Mikey-Beep 🇬🇧 650 96 10ms 2 Sep 2024 496th JudeTyrrell 650 96 10ms 22 Sep 2024 500th AlephSquirrel 650 248 3ms 29 Sep 2024 501st ShiraJoseph 🇺🇸 649 109 10ms 22 Sep 2024 502nd voytxt 🇨🇿 647 93 132ms 17 Apr 2025 503rd msbranicky 646 203 257ms 1 Sep 2024 504th error256 645 106 13ms 18 Apr 2025 505th Waffle3z 645 107 2ms 2 Oct 2024 506th stefangimmillaro 643 71 819ms 3 Sep 2024 507th scpchicken 🇵🇼 643 97 248ms 8 Sep 2024 507th Carlettos1 643 97 12ms 14 Sep 2024 509th mrxz 🇳🇱 643 110 12ms 22 Sep 2024 509th weliveinhell 🇭🇹 643 110 10ms 28 Sep 2024 511th BlankSpruce 642 140 2ms 1 Sep 2024 512th stefangimmillaro 640 151 437ms 6 Oct 2025 513th emgordon154 639 113 109ms 4 Dec 2025 514th aDwarfNamedUrist 639 138 119ms 4 Sep 2024 515th SirBogman 🇺🇸 637 73 308ms 23 Jul 2025 516th pickerj 637 98 11ms 13 Sep 2024 516th dtbao20 🇻🇳 637 98 16ms 30 Sep 2024 516th YAJUE114514 637 98 10ms 30 Jul 2025 519th stefangimmillaro 636 188 199ms 4 Jun 2025 520th emgordon154 635 40 3ms 20 Nov 2025 521st Shanethegamer 🇺🇸 634 72 861ms 1 Sep 2024 521st anter69 🇭🇺 634 72 858ms 25 Oct 2024 523rd weeble 634 77 8ms 21 days ago 524th Ripick 633 127 392ms 6 Sep 2024 525th CaedenHarper 🇨🇦 632 112 10ms 22 Aug 2025 526th olleicua 🇺🇸 630 67 41ms 6 Sep 2024 527th alexeldridge 630 99 10ms 14 Sep 2024 527th Just4FunCoder 630 99 10ms 14 Sep 2025 527th 0xjac 🇨🇭 630 99 10ms 24 Nov 2025 530th cthierfelder 🇲🇨 630 193 77ms 5 Sep 2025 531st BalaM314 626 113 10ms 4 Feb 2025 532nd SirBogman 🇺🇸 624 59 134ms 23 Jul 2025 533rd Kacarott 🇦🇺 624 100 10ms 3 Sep 2024 534th kmathis22 623 155 356ms 27 days ago 535th DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 536th Shanethegamer 🇺🇸 621 68 39ms 1 Sep 2024 536th emgordon154 621 68 38ms 1 Sep 2024 536th rvs314 621 68 41ms 24 Sep 2024 539th KrausRaus 🇺🇸 621 114 13ms 1 Sep 2024 539th snoozingnewt 🇨🇦 621 114 11ms 12 Oct 2025 541st madex 🇩🇪 618 101 14ms 1 Sep 2024 541st RedzGoose 🇦🇺 618 101 10ms 15 Oct 2024 541st Flekay 🇩🇪 618 101 11ms 10 Jul 2025 544th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 545th Andrey-Plotnikov 615 115 10ms 30 Sep 2025 546th aliakseikalosha 615 144 373ms 5 Sep 2024 547th sciencejiho 612 102 10ms 13 Sep 2024 547th Papushkado 612 102 9ms 10 Nov 2025 549th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 550th Shanethegamer 🇺🇸 610 102 3,211ms 25 Oct 2024 550th dokutan 610 102 3,474ms 26 Oct 2024 552nd BambooleanLogic 🇸🇪 610 116 11ms 19 Nov 2024 552nd acollett89 610 116 11ms 4 Aug 2025 554th msbranicky 608 86 225ms 16 Sep 2024 555th julian-hoelz 606 103 10ms 16 Sep 2024 555th StefanHabel 🇨🇦 606 103 97ms 22 Mar 2025 557th MeWhenI 🇻🇦 605 86 683ms 15 Sep 2025 558th Arkadios200 602 132 96ms 11 Oct 2025 559th dokutan 602 147 399ms 3 Nov 2024 560th dokutan 601 76 815ms 3 Sep 2024 First Prev 481–560 of 720 Next Last