PalindromemordnilaP in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 601st CaedenHarper 🇨🇦 512 188 531ms 19 days ago 602nd rboath 506 159 127ms 18 Dec 2024 603rd h3ra993huskp 🇯🇵 504 191 417ms 27 Dec 2024 604th madex 🇩🇪 502 84 39ms 1 Sep 2024 605th snoozingnewt 🇺🇸 502 141 9ms 10 days ago 606th dbut2 🇦🇺 502 261 290ms 3 Sep 2024 607th LukeBridges 🇬🇧 498 142 11ms 3 Sep 2024 608th MeWhenI 🇻🇦 496 181 2ms 13 Jun 2025 609th snoozingnewt 🇺🇸 495 160 112ms 1 Sep 2024 610th Shanethegamer 🇺🇸 493 115 2ms 1 Sep 2024 611th HunterC14 493 155 10ms 21 Oct 2024 612th madex 🇩🇪 490 183 2ms 2 Sep 2024 613th Naitzirch 🇳🇱 484 158 9ms 3 Jul 2025 614th snoozingnewt 🇺🇸 478 185 360ms 18 days ago 615th junkondo-jp 475 149 8ms 15 Dec 2024 616th snoozingnewt 🇺🇸 475 189 2ms 14 days ago 617th rucin93 🇵🇱 475 251 261ms 5 Sep 2024 618th KatieLG 🇬🇧 475 292 8ms 1 Sep 2024 619th janAkali 🇷🇺 470 171 413ms 17 May 2025 620th R4z0rX 465 152 9ms 1 Sep 2024 621st DialFrost 🇸🇬 465 207 460ms 24 Sep 2025 622nd Apzyte-Gamer 463 165 12ms 28 Oct 2024 623rd iczelia 🇩🇪 462 194 2ms 11 days ago 624th two-bad 🇬🇧 454 156 10ms 4 Oct 2024 625th snoozingnewt 🇺🇸 454 177 93ms 14 hours ago 626th CyberTapir 452 169 11ms 1 Sep 2024 627th ravnskjaer 🇩🇰 450 214 433ms 11 Sep 2024 628th msbranicky 443 269 234ms 1 Sep 2024 629th rollershutter 434 176 11ms 18 Nov 2024 630th ehulinsky 🇺🇸 430 122 4ms 3 Apr 2025 631st Yax42 🇫🇷 430 224 434ms 17 days ago 632nd aksyristos 418 101 35ms 17 Nov 2024 633rd MeWhenI 🇻🇦 412 260 81ms 13 Jun 2025 634th bac0id 403 266 2,605ms 10 Jan 2025 635th Jacob385 401 240 448ms 4 Sep 2024 636th zakariamouhid 397 178 10ms 14 Sep 2024 637th galloj 🇨🇿 396 101 8ms 4 Sep 2024 638th dokutan 395 155 246ms 1 Sep 2024 639th mathisfun271 392 195 11ms 3 Oct 2024 640th varhammer 🇷🇺 389 235 9ms 3 days ago 641st Giantnoodlemonster 365 246 2ms 27 Sep 2024 642nd IISResetMe 364 127 407ms 17 Nov 2024 643rd MeWhenI 🇻🇦 363 135 7ms 26 Sep 2024 644th Mikey-Beep 🇬🇧 354 193 19ms 13 Aug 2025 645th AidanWalter 346 221 10ms 3 Jan 2025 646th snoozingnewt 🇺🇸 329 186 8ms 1 Sep 2024 647th timhaj 🇸🇮 320 239 11ms 19 Sep 2024 648th snoozingnewt 🇺🇸 307 209 375ms 1 Sep 2024 649th nephila-nacrea 🇬🇧 283 132 4ms 4 Sep 2024 650th KatieLG 🇬🇧 262 459 1,332ms 15 Sep 2024 651st bidger 261 369 425ms 20 Sep 2024 652nd KatieLG 🇬🇧 259 460 216ms 15 Sep 2024 653rd snoozingnewt 🇺🇸 241 444 1,076ms 16 days ago 654th KatieLG 🇬🇧 200 401 159ms 15 Sep 2024 655th KatieLG 🇬🇧 191 398 8ms 15 Sep 2024 656th KatieLG 🇬🇧 171 768 284ms 15 Sep 2024 657th KatieLG 🇬🇧 112 466 4ms 15 Sep 2024 658th Msleizak 🇫🇷 109 424 254ms 7 Feb 2025 659th KatieLG 🇬🇧 103 937 356ms 15 Sep 2024 660th KatieLG 🇬🇧 86 1,032 451ms 15 Sep 2024 661st dokutan 64 1,663 86ms 23 Apr 2025 662nd dokutan 54 1,663 2ms 23 Apr 2025 663rd darrenks 0 10 65ms 19 Apr 2025 663rd lyphyser 0 10 67ms 25 May 2025 665th 2bular 0 11 67ms 23 Mar 2025 665th Natanaelel 🇸🇪 0 11 66ms 25 Mar 2025 665th plcc0 0 11 68ms 5 May 2025 668th kg583 🇺🇸 0 14 212ms 12 Apr 2025 669th lyxal 🇦🇺 0 19 552ms 17 May 2025 670th plcc0 0 20 523ms 20 Mar 2025 671st GolfingSuccess 🇬🇷 0 28 129ms 13 Aug 2025 672nd AlephSquirrel 0 49 4ms 1 Jul 2025 673rd KatieLG 🇬🇧 0 50 4ms 9 Feb 2025 673rd Shanethegamer 🇺🇸 0 50 4ms 29 May 2025 675th ovs-code 🇩🇪 0 71 16ms 8 Jun 2025 First Prev 601–675 of 679 Next Last