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 641st cbrt-x 586 151 121ms 11 Sep 2024 642nd dokutan 586 181 41ms 1 Sep 2024 643rd Mabeloid 🇳🇴 583 109 569ms 17 Sep 2024 644th snoozingnewt 🇨🇦 583 226 326ms 1 Sep 2024 645th muser-logiccpu 🇺🇦 581 119 2ms 23 Jul 2025 646th GeorgeStechman 🇬🇧 581 122 12ms 5 Nov 2024 646th gigaprofisi 🇺🇸 581 122 11ms 10 Aug 2025 648th dokutan 580 107 159ms 14 Feb 2026 649th JohandeRuiter 🇳🇱 578 156 2ms 2 Sep 2024 650th vhoulbreque 🇫🇷 577 146 182ms 11 Nov 2025 651st xyangst 576 123 10ms 15 Oct 2024 652nd emgordon154 575 133 14ms 16 Dec 2024 653rd dokutan 573 75 1,157ms 29 Aug 2025 654th dokutan 572 74 37ms 20 Feb 2025 655th dokutan 569 132 3ms 1 Sep 2024 656th TeodorDyakov 🇧🇬 567 159 2ms 6 Sep 2025 657th emgordon154 566 113 111ms 4 Dec 2025 658th TheZwierzLF 🇵🇱 565 75 35ms 27 Dec 2025 659th HumanoidCPU 564 110 146ms 22 Nov 2025 660th tomh1012 563 126 11ms 18 Sep 2025 661st smiksky 🇺🇸 563 136 10ms 16 Oct 2024 662nd MostParsingVex 563 160 27ms 30 Sep 2024 663rd RedzGoose 🇦🇺 560 145 108ms 9 Sep 2024 664th Stockoh 🇫🇷 559 137 10ms 17 Oct 2024 665th msbranicky 556 135 3ms 1 Sep 2024 666th brimstonetrader 555 138 11ms 17 Oct 2024 667th jusaka 550 40 46ms 4 days ago 668th dokutan 544 155 220ms 1 Sep 2024 669th jusaka 543 163 133ms 3 days ago 670th DialFrost 🇸🇬 542 76 1,023ms 1 Aug 2025 671st Shanethegamer 🇺🇸 542 206 32ms 4 Sep 2024 672nd KatieLG 🇬🇧 540 128 2ms 2 Oct 2025 673rd albanian-laundromat 🇺🇸 540 352 11ms 18 Sep 2025 674th Shanethegamer 🇺🇸 539 91 22ms 1 Sep 2024 675th mm1013g 539 142 10ms 2 Sep 2024 676th snoozingnewt 🇨🇦 536 79 37ms 12 Oct 2025 677th trijin 533 118 5ms 5 Oct 2024 678th Shanethegamer 🇺🇸 533 183 492ms 24 Sep 2025 679th AstroOrbis 527 145 7ms 25 Feb 2026 680th tomh1012 526 169 420ms 17 Sep 2025 681st pickerj 525 146 11ms 12 Sep 2024 682nd ravnskjaer 🇩🇰 524 186 469ms 15 Dec 2025 683rd jusaka 521 422 1,725ms 4 days ago 684th CaedenHarper 🇨🇦 519 188 493ms 3 Oct 2025 685th error256 516 134 2ms 24 Sep 2024 686th dokutan 513 174 11ms 28 Feb 2026 687th rboath 510 159 97ms 18 Dec 2024 688th dbut2 🇦🇺 505 261 337ms 3 Sep 2024 689th snoozingnewt 🇨🇦 503 141 11ms 12 Oct 2025 690th MeWhenI 🇻🇦 499 86 1,062ms 15 Sep 2025 691st LukeBridges 🇬🇧 499 142 11ms 3 Sep 2024 692nd snoozingnewt 🇨🇦 499 160 111ms 1 Sep 2024 693rd MeWhenI 🇻🇦 498 181 2ms 13 Jun 2025 694th rucin93 🇵🇱 494 152 3ms 12 days ago 695th HunterC14 494 155 12ms 21 Oct 2024 696th mateusz-sterczewski 492 86 36ms 15 Jan 2026 697th madex 🇩🇪 492 183 2ms 2 Sep 2024 698th codewrite 🇬🇧 491 181 427ms 30 Dec 2025 699th Naitzirch 🇳🇱 485 158 11ms 3 Jul 2025 700th alphafalfa 484 105 4ms 1 Nov 2024 701st KatieLG 🇬🇧 481 292 7ms 1 Sep 2024 702nd snoozingnewt 🇨🇦 480 185 450ms 4 Oct 2025 703rd rucin93 🇵🇱 480 251 245ms 5 Sep 2024 704th snoozingnewt 🇨🇦 477 189 2ms 9 Oct 2025 705th junkondo-jp 476 149 11ms 15 Dec 2024 706th jusaka 476 263 45ms 4 days ago 707th DialFrost 🇸🇬 471 207 501ms 24 Sep 2025 708th R4z0rX 466 152 11ms 1 Sep 2024 709th Apzyte-Gamer 464 165 11ms 28 Oct 2024 710th iczelia 🇩🇪 464 194 2ms 11 Oct 2025 711th JOrE20 457 268 28ms 11 Feb 2026 712th jusaka 457 357 4ms 3 days ago 713th scpchicken 🇵🇼 456 82 6ms 6 days ago 714th jusaka 456 214 400ms 4 days ago 715th Shanethegamer 🇺🇸 454 141 110ms 4 Dec 2025 716th two-bad 🇬🇧 454 156 11ms 4 Oct 2024 717th CyberTapir 453 169 10ms 1 Sep 2024 718th snoozingnewt 🇨🇦 453 186 8ms 1 Sep 2024 719th msbranicky 448 269 234ms 1 Sep 2024 720th Shanethegamer 🇺🇸 442 115 2ms 1 Sep 2024 First Prev 641–720 of 840 Next Last