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 Dragon Curve 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 Dragon Curve 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 400th dtbao20 🇻🇳 782 98 22ms 30 Sep 2024 400th YAJUE114514 782 98 10ms 30 Jul 2025 400th luuumine 🇫🇷 782 98 11ms 15 Oct 2025 400th netfri25 🇮🇱 782 98 10ms 22 Feb 2026 400th rotemkm 782 98 11ms 22 Feb 2026 406th KingSkyrock 🇺🇸 779 91 10ms 14 Oct 2024 407th dokutan 779 104 203ms 1 Sep 2024 408th stefangimmillaro 779 114 468ms 4 Sep 2024 409th MeWhenI 🇻🇦 778 39 33ms 2 Sep 2024 410th the-zammers 777 114 117ms 1 Dec 2024 411th snoozingnewt 🇨🇦 775 82 434ms 22 Nov 2025 411th dokutan 775 82 499ms 27 Feb 2026 413th jatloe 774 99 11ms 4 Sep 2024 413th alexeldridge 774 99 14ms 14 Sep 2024 413th Just4FunCoder 774 99 10ms 14 Sep 2025 413th 0xjac 🇨🇭 774 99 11ms 24 Nov 2025 417th emgordon154 773 156 375ms 4 Mar 2025 418th edsrzf 🇳🇿 771 83 106ms 28 Feb 2026 418th snoozingnewt 🇨🇦 771 83 98ms 4 days ago 420th error256 771 139 501ms 24 Sep 2024 421st Matter1024 🇮🇳 770 123 439ms 14 days ago 422nd CatsAreFluffy 769 64 52ms 4 Nov 2024 423rd Kacarott 🇦🇺 766 100 10ms 3 Sep 2024 423rd Artemis21 🇬🇧 766 100 10ms 4 Jan 2025 425th lifthrasiir 🇰🇷 765 83 467ms 2 Dec 2024 425th albanian-laundromat 🇺🇸 765 83 519ms 4 Aug 2025 425th CaedenHarper 🇨🇦 765 83 540ms 9 Aug 2025 428th error256 763 116 119ms 2 Sep 2024 429th vang1ong7ang 763 158 206ms 17 days ago 430th sean-niemann 🇺🇸 761 118 3ms 16 Jan 2025 431st stefangimmillaro 760 169 43ms 3 Sep 2024 432nd madex 🇩🇪 759 101 11ms 1 Sep 2024 432nd RedzGoose 🇦🇺 759 101 11ms 15 Oct 2024 432nd JunkIce 759 101 11ms 25 Oct 2024 432nd someCoder-a11y 759 101 10ms 8 days ago 436th UnderKoen 🇳🇱 759 185 63ms 1 Dec 2025 437th targrik 758 83 5ms 8 Feb 2025 438th Shanethegamer 🇺🇸 757 117 119ms 1 Sep 2024 439th DialFrost 🇸🇬 756 225 1,214ms 20 Jan 2025 440th kg583 🇺🇸 755 102 5ms 19 Dec 2025 441st stefangimmillaro 754 94 11ms 4 Sep 2024 442nd error256 753 226 1,206ms 28 Mar 2025 443rd sciencejiho 751 102 11ms 13 Sep 2024 443rd Papushkado 751 102 10ms 10 Nov 2025 443rd TheSecondComing123 751 102 14ms 4 Feb 2026 446th Mikey-Beep 🇬🇧 747 119 436ms 2 Sep 2024 447th Shanethegamer 🇺🇸 746 95 11ms 1 Sep 2024 447th HumanoidCPU 746 95 10ms 29 Oct 2024 449th pardouin 🇫🇷 745 87 77ms 3 Sep 2024 449th Steffan153 🇫🇮 745 87 81ms 11 Feb 2026 451st julian-hoelz 744 103 11ms 16 Sep 2024 451st StefanHabel 🇨🇦 744 103 93ms 22 Mar 2025 453rd xsot 🇸🇬 740 58 1,198ms 19 Dec 2025 454th Shanethegamer 🇺🇸 740 128 473ms 1 Sep 2024 455th Shanethegamer 🇺🇸 738 71 296ms 1 Sep 2024 455th MarcMush 🇫🇷 738 71 546ms 16 Sep 2024 457th ComputerKWasTaken 🇺🇸 737 104 11ms 2 Sep 2024 457th elgan65536 🇺🇸 737 104 11ms 23 Sep 2024 457th NickTheEASDude 🇺🇸 737 104 10ms 7 Oct 2025 460th snoozingnewt 🇨🇦 737 110 83ms 22 Nov 2025 461st FlyingPenguin223 736 94 1ms 18 Sep 2024 462nd error256 734 121 448ms 24 Sep 2024 463rd GolfingSuccess 🇬🇷 733 30 56ms 1 Sep 2024 463rd MeWhenI 🇻🇦 733 30 63ms 8 Jun 2025 463rd CaedenHarper 🇨🇦 733 30 47ms 1 Dec 2025 466th Shanethegamer 🇺🇸 733 105 4ms 1 Sep 2024 467th Shanethegamer 🇺🇸 733 122 6ms 4 Oct 2024 468th albanian-laundromat 🇺🇸 733 232 1,223ms 15 Oct 2025 469th targrik 731 97 12ms 8 Feb 2025 470th bitsandbeyond 🇳🇱 729 64 292ms 1 Dec 2025 471st emgordon154 728 63 1,638ms 18 Nov 2024 472nd Shanethegamer 🇺🇸 728 95 2ms 2 Sep 2024 473rd janAkali 🇷🇺 725 112 371ms 12 Feb 2026 474th dokutan 724 124 2ms 5 Sep 2024 475th CutSandstone 723 106 12ms 21 Dec 2024 476th jusaka 722 167 206ms 8 days ago 477th GrayJoKing 🇦🇺 721 86 127ms 2 Sep 2024 478th kg583 🇺🇸 721 106 6ms 26 Sep 2025 479th mykytamatiukha 718 168 239ms 15 Jan 2026 480th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 First Prev 401–480 of 845 Next Last