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 emgordon154 563 113 111ms 4 Dec 2025 642nd tomh1012 562 126 10ms 18 Sep 2025 643rd MostParsingVex 562 160 33ms 30 Sep 2024 644th RedzGoose 🇦🇺 557 145 126ms 9 Sep 2024 645th msbranicky 552 135 3ms 1 Sep 2024 646th HumanoidCPU 547 110 151ms 22 Nov 2025 647th Yewzir 🇧🇪 543 115 11ms 1 Dec 2025 648th Shanethegamer 🇺🇸 541 107 83ms 1 Sep 2024 649th DialFrost 🇸🇬 539 76 1,023ms 1 Aug 2025 650th LeoCh01 539 116 10ms 1 Sep 2024 651st KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 652nd dokutan 539 155 220ms 1 Sep 2024 653rd Shanethegamer 🇺🇸 538 91 22ms 1 Sep 2024 654th snoozingnewt 🇨🇦 536 79 37ms 12 Oct 2025 655th Shanethegamer 🇺🇸 536 206 32ms 4 Sep 2024 656th Mabeloid 🇳🇴 534 109 569ms 17 Sep 2024 657th albanian-laundromat 🇺🇸 533 352 11ms 18 Sep 2025 658th trijin 532 118 4ms 5 Oct 2024 659th Shanethegamer 🇺🇸 532 183 492ms 24 Sep 2025 660th emgordon154 529 133 14ms 16 Dec 2024 661st Zhenyu-Bo 525 119 10ms 1 Aug 2025 661st tomh1012 525 119 10ms 2 Mar 2026 663rd tomh1012 525 169 405ms 17 Sep 2025 664th ravnskjaer 🇩🇰 523 186 469ms 15 Dec 2025 665th lhulinsky 521 120 13ms 23 Oct 2024 665th arjunarya1 521 120 10ms 11 Sep 2025 667th CaedenHarper 🇨🇦 518 188 493ms 3 Oct 2025 668th error256 515 134 2ms 24 Sep 2024 669th kevinnaviapaiva 512 122 10ms 16 Feb 2025 670th eddvrs 508 123 10ms 29 Sep 2024 671st dokutan 507 174 10ms 28 Feb 2026 672nd Yewzir 🇧🇪 506 115 436ms 1 Dec 2025 673rd yokasuretsu 504 124 10ms 10 Jul 2025 673rd hamilton-bonds 504 124 10ms 24 Jul 2025 675th dbut2 🇦🇺 504 261 337ms 3 Sep 2024 676th LukeBridges 🇬🇧 499 142 13ms 3 Sep 2024 677th MeWhenI 🇻🇦 498 86 1,062ms 15 Sep 2025 678th snoozingnewt 🇨🇦 497 160 108ms 1 Sep 2024 679th MeWhenI 🇻🇦 497 181 2ms 13 Jun 2025 680th nhausspiegel 496 126 13ms 13 Sep 2024 681st mateusz-sterczewski 492 86 36ms 15 Jan 2026 682nd matsagad 492 127 10ms 16 Jan 2025 683rd rucin93 🇵🇱 491 152 3ms 40 hours ago 684th madex 🇩🇪 491 183 2ms 2 Sep 2024 685th codewrite 🇬🇧 490 181 430ms 30 Dec 2025 686th xyangst 488 128 11ms 12 Oct 2024 686th 123mjb 488 128 10ms 19 Nov 2025 688th AstroOrbis 485 145 7ms 25 Feb 2026 689th snoozingnewt 🇨🇦 483 120 118ms 14 Oct 2025 690th alphafalfa 480 105 4ms 1 Nov 2024 691st rucin93 🇵🇱 480 251 243ms 5 Sep 2024 692nd snoozingnewt 🇨🇦 479 185 407ms 4 Oct 2025 693rd snoozingnewt 🇨🇦 476 189 2ms 9 Oct 2025 694th junkondo-jp 475 149 9ms 15 Dec 2024 695th KatieLG 🇬🇧 475 292 7ms 1 Sep 2024 696th rboath 470 159 97ms 18 Dec 2024 697th DialFrost 🇸🇬 470 207 501ms 24 Sep 2025 698th R4z0rX 466 152 9ms 1 Sep 2024 699th iczelia 🇩🇪 463 194 2ms 11 Oct 2025 700th Stockoh 🇫🇷 456 137 10ms 17 Oct 2024 701st two-bad 🇬🇧 454 156 10ms 4 Oct 2024 702nd brimstonetrader 453 138 11ms 17 Oct 2024 703rd JOrE20 453 268 28ms 11 Feb 2026 704th Shanethegamer 🇺🇸 451 141 110ms 4 Dec 2025 705th snoozingnewt 🇨🇦 449 186 8ms 1 Sep 2024 706th msbranicky 448 269 242ms 1 Sep 2024 707th IISResetMe 439 106 438ms 3 Jan 2026 708th Shanethegamer 🇺🇸 438 115 2ms 1 Sep 2024 709th Yax42 🇫🇷 435 224 471ms 5 Oct 2025 710th ehulinsky 🇺🇸 432 122 3ms 3 Apr 2025 711th aksyristos 419 101 37ms 17 Nov 2024 712th amazingalek 🇳🇴 411 216 450ms 26 Jan 2026 713th MeWhenI 🇻🇦 411 260 77ms 13 Jun 2025 714th Jacob385 406 240 393ms 4 Sep 2024 715th HunterC14 403 155 12ms 21 Oct 2024 716th bac0id 402 266 2,913ms 10 Jan 2025 717th zakariamouhid 398 178 11ms 14 Sep 2024 718th galloj 🇨🇿 396 101 10ms 4 Sep 2024 719th Naitzirch 🇳🇱 395 158 11ms 3 Jul 2025 720th Apzyte-Gamer 379 165 11ms 28 Oct 2024 First Prev 641–720 of 774 Next Last