PalindromemordnilaP in all languages in bytes. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st KingSkyrock 🇺🇸 779 91 9ms 14 Oct 2024 402nd MostParsingVex 779 156 65ms 10 days ago 403rd stefangimmillaro 778 114 396ms 4 Sep 2024 404th MeWhenI 🇻🇦 777 39 33ms 2 Sep 2024 405th the-zammers 775 114 117ms 1 Dec 2024 406th snoozingnewt 🇨🇦 774 82 455ms 22 Nov 2025 406th dokutan 774 82 499ms 27 Feb 2026 408th jatloe 774 99 11ms 4 Sep 2024 408th alexeldridge 774 99 14ms 14 Sep 2024 408th Just4FunCoder 774 99 10ms 14 Sep 2025 408th 0xjac 🇨🇭 774 99 11ms 24 Nov 2025 412th dokutan 773 104 203ms 1 Sep 2024 413th emgordon154 771 156 390ms 4 Mar 2025 414th jusaka 770 33 3ms 31 hours ago 415th error256 769 139 511ms 24 Sep 2024 416th edsrzf 🇳🇿 767 83 106ms 28 Feb 2026 417th Kacarott 🇦🇺 766 100 10ms 3 Sep 2024 417th Artemis21 🇬🇧 766 100 10ms 4 Jan 2025 419th lifthrasiir 🇰🇷 765 83 467ms 2 Dec 2024 419th albanian-laundromat 🇺🇸 765 83 519ms 4 Aug 2025 419th CaedenHarper 🇨🇦 765 83 540ms 9 Aug 2025 422nd CatsAreFluffy 763 64 52ms 4 Nov 2024 423rd error256 762 116 119ms 2 Sep 2024 424th vang1ong7ang 761 158 196ms 39 hours ago 425th madex 🇩🇪 758 101 11ms 1 Sep 2024 425th RedzGoose 🇦🇺 758 101 11ms 15 Oct 2024 425th JunkIce 758 101 11ms 25 Oct 2024 428th targrik 756 83 5ms 8 Feb 2025 429th Shanethegamer 🇺🇸 755 117 119ms 1 Sep 2024 430th sean-niemann 🇺🇸 755 118 3ms 16 Jan 2025 431st stefangimmillaro 754 94 11ms 4 Sep 2024 432nd sciencejiho 751 102 11ms 13 Sep 2024 432nd Papushkado 751 102 10ms 10 Nov 2025 432nd TheSecondComing123 751 102 14ms 4 Feb 2026 435th DialFrost 🇸🇬 751 225 1,452ms 20 Jan 2025 436th UnderKoen 🇳🇱 750 185 63ms 1 Dec 2025 437th kg583 🇺🇸 749 102 5ms 19 Dec 2025 438th error256 748 226 1,433ms 28 Mar 2025 439th Shanethegamer 🇺🇸 746 95 9ms 1 Sep 2024 439th HumanoidCPU 746 95 13ms 29 Oct 2024 441st Mikey-Beep 🇬🇧 745 119 404ms 2 Sep 2024 442nd julian-hoelz 744 103 11ms 16 Sep 2024 442nd StefanHabel 🇨🇦 744 103 93ms 22 Mar 2025 444th pardouin 🇫🇷 741 87 77ms 3 Sep 2024 444th Steffan153 🇫🇮 741 87 81ms 11 Feb 2026 446th xsot 🇸🇬 739 58 1,056ms 19 Dec 2025 447th stefangimmillaro 739 169 43ms 3 Sep 2024 448th Shanethegamer 🇺🇸 737 71 233ms 1 Sep 2024 448th MarcMush 🇫🇷 737 71 533ms 16 Sep 2024 450th ComputerKWasTaken 🇺🇸 736 104 11ms 2 Sep 2024 450th elgan65536 🇺🇸 736 104 11ms 23 Sep 2024 450th NickTheEASDude 🇺🇸 736 104 10ms 7 Oct 2025 453rd FlyingPenguin223 734 94 1ms 18 Sep 2024 454th DialFrost 🇸🇬 734 271 1,620ms 17 Jan 2026 455th GolfingSuccess 🇬🇷 733 30 53ms 1 Sep 2024 455th MeWhenI 🇻🇦 733 30 65ms 8 Jun 2025 455th CaedenHarper 🇨🇦 733 30 46ms 1 Dec 2025 458th error256 733 121 385ms 24 Sep 2024 459th snoozingnewt 🇨🇦 731 110 83ms 22 Nov 2025 460th targrik 730 97 10ms 8 Feb 2025 461st Shanethegamer 🇺🇸 729 122 6ms 4 Oct 2024 462nd Shanethegamer 🇺🇸 728 105 4ms 1 Sep 2024 463rd Shanethegamer 🇺🇸 728 128 473ms 1 Sep 2024 464th albanian-laundromat 🇺🇸 728 232 1,433ms 15 Oct 2025 465th emgordon154 726 63 1,252ms 18 Nov 2024 466th bitsandbeyond 🇳🇱 726 64 244ms 1 Dec 2025 467th Shanethegamer 🇺🇸 726 95 2ms 2 Sep 2024 468th CutSandstone 723 106 12ms 21 Dec 2024 469th janAkali 🇷🇺 722 112 375ms 12 Feb 2026 470th GrayJoKing 🇦🇺 720 86 146ms 2 Sep 2024 471st kg583 🇺🇸 719 106 6ms 26 Sep 2025 472nd dokutan 719 124 2ms 5 Sep 2024 473rd Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 474th galloj 🇨🇿 716 107 11ms 4 Sep 2024 474th FlorianCassayre 🇫🇷 716 107 11ms 9 Sep 2024 474th jared-hughes 716 107 12ms 10 Sep 2024 474th nstearns96 🇬🇧 716 107 11ms 13 Nov 2024 474th rchalamala 716 107 10ms 2 Jan 2025 474th brochmann 🇸🇪 716 107 10ms 16 Oct 2025 480th mykytamatiukha 716 168 221ms 15 Jan 2026 First Prev 401–480 of 775 Next Last