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 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 Chars Time Submitted 641st MostParsingVex 564 160 27ms 30 Sep 2024 642nd aksyristos 563 111 13ms 1 Sep 2024 642nd AstroOrbis 563 111 10ms 30 Jun 2025 644th tomh1012 563 126 11ms 18 Sep 2025 645th RedzGoose 🇦🇺 563 145 126ms 9 Sep 2024 646th flekAI 558 127 10ms 3 days ago 647th msbranicky 556 135 3ms 1 Sep 2024 648th jusaka 550 40 46ms 23 hours ago 649th HumanoidCPU 548 110 151ms 22 Nov 2025 650th dokutan 548 155 220ms 1 Sep 2024 651st Shanethegamer 🇺🇸 546 107 83ms 1 Sep 2024 652nd Yewzir 🇧🇪 543 115 11ms 1 Dec 2025 653rd DialFrost 🇸🇬 542 76 1,023ms 1 Aug 2025 654th Shanethegamer 🇺🇸 542 206 32ms 4 Sep 2024 655th KatieLG 🇬🇧 541 128 2ms 2 Oct 2025 656th Shanethegamer 🇺🇸 539 91 22ms 1 Sep 2024 657th LeoCh01 539 116 10ms 1 Sep 2024 658th snoozingnewt 🇨🇦 536 79 37ms 12 Oct 2025 659th Mabeloid 🇳🇴 535 109 569ms 17 Sep 2024 660th trijin 534 118 5ms 5 Oct 2024 661st Shanethegamer 🇺🇸 534 183 492ms 24 Sep 2025 662nd albanian-laundromat 🇺🇸 533 352 11ms 18 Sep 2025 663rd emgordon154 532 133 14ms 16 Dec 2024 664th tomh1012 527 169 420ms 17 Sep 2025 665th Zhenyu-Bo 525 119 10ms 1 Aug 2025 665th tomh1012 525 119 10ms 2 Mar 2026 667th ravnskjaer 🇩🇰 525 186 469ms 15 Dec 2025 668th lhulinsky 521 120 13ms 23 Oct 2024 668th arjunarya1 521 120 10ms 11 Sep 2025 670th CaedenHarper 🇨🇦 520 188 493ms 3 Oct 2025 671st error256 517 134 2ms 24 Sep 2024 672nd dokutan 513 174 10ms 28 Feb 2026 673rd kevinnaviapaiva 512 122 10ms 16 Feb 2025 674th jusaka 512 422 1,725ms 16 hours ago 675th eddvrs 508 123 10ms 29 Sep 2024 676th Yewzir 🇧🇪 507 115 436ms 1 Dec 2025 677th dbut2 🇦🇺 507 261 337ms 3 Sep 2024 678th yokasuretsu 504 124 10ms 10 Jul 2025 678th hamilton-bonds 504 124 10ms 24 Jul 2025 680th MeWhenI 🇻🇦 500 86 1,062ms 15 Sep 2025 681st snoozingnewt 🇨🇦 500 160 108ms 1 Sep 2024 682nd LukeBridges 🇬🇧 499 142 11ms 3 Sep 2024 683rd MeWhenI 🇻🇦 499 181 2ms 13 Jun 2025 684th nhausspiegel 496 126 13ms 13 Sep 2024 685th rucin93 🇵🇱 494 152 3ms 8 days ago 686th mateusz-sterczewski 493 86 36ms 15 Jan 2026 687th madex 🇩🇪 493 183 2ms 2 Sep 2024 688th matsagad 492 127 10ms 16 Jan 2025 689th codewrite 🇬🇧 492 181 427ms 30 Dec 2025 690th flekAI 490 241 1,445ms 3 days ago 691st xyangst 488 128 11ms 12 Oct 2024 691st 123mjb 488 128 10ms 19 Nov 2025 693rd AstroOrbis 488 145 7ms 25 Feb 2026 694th snoozingnewt 🇨🇦 487 120 118ms 14 Oct 2025 695th snoozingnewt 🇨🇦 481 185 450ms 4 Oct 2025 696th KatieLG 🇬🇧 481 292 7ms 1 Sep 2024 697th alphafalfa 480 105 4ms 1 Nov 2024 698th rucin93 🇵🇱 480 251 243ms 5 Sep 2024 699th snoozingnewt 🇨🇦 478 189 2ms 9 Oct 2025 700th rboath 477 159 97ms 18 Dec 2024 701st junkondo-jp 476 149 11ms 15 Dec 2024 702nd jusaka 476 263 45ms 13 hours ago 703rd DialFrost 🇸🇬 472 207 501ms 24 Sep 2025 704th R4z0rX 467 152 11ms 1 Sep 2024 705th iczelia 🇩🇪 465 194 2ms 11 Oct 2025 706th JOrE20 460 268 28ms 11 Feb 2026 707th scpchicken 🇵🇼 457 82 6ms 2 days ago 708th Stockoh 🇫🇷 456 137 10ms 17 Oct 2024 709th snoozingnewt 🇨🇦 456 186 8ms 1 Sep 2024 710th jusaka 456 214 400ms 20 hours ago 711th two-bad 🇬🇧 455 156 11ms 4 Oct 2024 712th Shanethegamer 🇺🇸 454 141 110ms 4 Dec 2025 713th brimstonetrader 453 138 11ms 17 Oct 2024 714th msbranicky 448 269 242ms 1 Sep 2024 715th flekAI 442 273 183ms 3 days ago 716th IISResetMe 439 106 406ms 3 Jan 2026 717th Shanethegamer 🇺🇸 438 115 2ms 1 Sep 2024 718th Yax42 🇫🇷 436 224 471ms 5 Oct 2025 719th ehulinsky 🇺🇸 432 122 3ms 3 Apr 2025 720th aksyristos 420 101 37ms 17 Nov 2024 First Prev 641–720 of 855 Next Last