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 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 Calendar 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 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 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 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 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 Calendar 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 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 449th guilhem-roy 🇫🇷 671 93 9ms 31 May 2025 452nd stefangimmillaro 669 63 32ms 2 Sep 2024 452nd SirBogman 🇺🇸 669 63 32ms 5 Sep 2024 454th dokutan 669 78 173ms 3 Sep 2024 455th alicethecatwhisperermeow 669 132 371ms 14 Sep 2024 456th madeforlosers 668 106 8ms 23 Oct 2024 457th chunes3 🇺🇸 668 112 62ms 1 Sep 2024 458th DialFrost 🇸🇬 666 76 14ms 1 Aug 2025 459th mousetail 🇳🇱 664 94 11ms 1 Sep 2024 459th ljweel 664 94 9ms 12 Sep 2024 461st Maznek 662 107 9ms 8 Oct 2024 462nd Shanethegamer 🇺🇸 661 91 139ms 5 Sep 2024 463rd kg583 🇺🇸 661 106 5ms 26 Sep 2025 464th DialFrost 🇸🇬 661 181 197ms 12 Apr 2025 464th error256 661 181 173ms 22 May 2025 466th GolfingSuccess 🇬🇷 660 162 363ms 1 Sep 2024 466th ovs-code 🇩🇪 660 162 2,175ms 1 Sep 2024 468th dokutan 659 64 33ms 23 Feb 2025 469th msbranicky 657 95 9ms 1 Sep 2024 469th Bulmenisaurus 657 95 11ms 4 Sep 2024 469th btjones0 657 95 9ms 13 Sep 2024 469th jfallon1997 657 95 9ms 26 Sep 2024 469th jacekwladzinski 657 95 9ms 7 Oct 2025 469th aalec 657 95 10ms 23 days ago 475th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 476th msbranicky 656 136 2ms 1 Sep 2024 477th msbranicky 655 95 1,996ms 8 Jan 2025 478th Shanethegamer 🇺🇸 655 135 377ms 1 Sep 2024 479th albanian-laundromat 655 189 42ms 14 Sep 2025 480th lukechampine 655 200 244ms 7 Jun 2025 480th jerrandolph 655 200 248ms 21 Sep 2025 482nd fgrosshans 🇫🇷 650 96 9ms 1 Sep 2024 482nd mm1013g 650 96 9ms 2 Sep 2024 482nd Mikey-Beep 🇬🇧 650 96 9ms 2 Sep 2024 482nd JudeTyrrell 650 96 9ms 22 Sep 2024 486th TFeld00 🇩🇰 649 65 32ms 3 Sep 2024 487th ShiraJoseph 🇺🇸 649 109 8ms 22 Sep 2024 488th voytxt 🇨🇿 647 93 132ms 17 Apr 2025 489th msbranicky 646 203 249ms 1 Sep 2024 490th error256 645 106 16ms 18 Apr 2025 491st Waffle3z 645 107 1ms 2 Oct 2024 492nd snoozingnewt 🇺🇸 644 186 8ms 1 Sep 2024 493rd stefangimmillaro 643 71 819ms 3 Sep 2024 494th scpchicken 🇵🇼 643 97 232ms 8 Sep 2024 494th Carlettos1 643 97 11ms 14 Sep 2024 496th mrxz 🇳🇱 643 110 9ms 22 Sep 2024 496th weliveinhell 🇭🇹 643 110 8ms 28 Sep 2024 498th BlankSpruce 641 140 2ms 1 Sep 2024 499th aDwarfNamedUrist 638 138 112ms 4 Sep 2024 500th stefangimmillaro 638 151 342ms 6 Oct 2025 501st SirBogman 🇺🇸 637 73 295ms 23 Jul 2025 502nd pickerj 637 98 10ms 13 Sep 2024 502nd dtbao20 🇻🇳 637 98 16ms 30 Sep 2024 502nd YAJUE114514 637 98 9ms 30 Jul 2025 505th stefangimmillaro 636 188 195ms 4 Jun 2025 506th emgordon154 635 40 3ms 11 days ago 507th Shanethegamer 🇺🇸 634 72 861ms 1 Sep 2024 507th anter69 🇭🇺 634 72 858ms 25 Oct 2024 509th Ripick 633 127 349ms 6 Sep 2024 510th CaedenHarper 🇨🇦 632 112 8ms 22 Aug 2025 511th alexeldridge 630 99 9ms 14 Sep 2024 511th Just4FunCoder 630 99 9ms 14 Sep 2025 511th 0xjac 🇨🇭 630 99 10ms 7 days ago 514th olleicua 🇺🇸 629 67 35ms 6 Sep 2024 515th BalaM314 626 113 9ms 4 Feb 2025 516th Kacarott 🇦🇺 624 100 9ms 3 Sep 2024 517th cthierfelder 🇲🇨 624 193 62ms 5 Sep 2025 518th emgordon154 623 115 105ms 2 days ago 519th SirBogman 🇺🇸 622 59 108ms 23 Jul 2025 520th DialFrost 🇸🇬 622 111 1ms 22 Nov 2024 521st KrausRaus 🇺🇸 621 114 10ms 1 Sep 2024 521st snoozingnewt 🇺🇸 621 114 8ms 12 Oct 2025 523rd Shanethegamer 🇺🇸 620 68 32ms 1 Sep 2024 523rd emgordon154 620 68 33ms 1 Sep 2024 523rd rvs314 620 68 34ms 24 Sep 2024 First Prev 451–525 of 695 Next Last