PalindromemordnilaP in all languages in chars. 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 Chars Time 601st rucin93 🇵🇱 475 251 5 Sep 2024 602nd KatieLG 🇬🇧 475 292 1 Sep 2024 603rd janAkali 🇷🇺 470 171 17 May 2025 604th R4z0rX 465 152 1 Sep 2024 605th DialFrost 🇸🇬 465 207 17 days ago 606th iczelia 🇩🇪 462 194 12 hours ago 607th Stockoh 🇫🇷 455 137 17 Oct 2024 608th two-bad 🇬🇧 453 156 4 Oct 2024 609th brimstonetrader 452 138 17 Oct 2024 610th ravnskjaer 🇩🇰 450 214 11 Sep 2024 611th msbranicky 443 269 1 Sep 2024 612th snoozingnewt 🇺🇸 442 180 1 Sep 2024 613th ehulinsky 🇺🇸 430 122 3 Apr 2025 614th Yax42 🇫🇷 430 224 6 days ago 615th aksyristos 418 101 17 Nov 2024 616th LostSyntax21 🇬🇧 418 149 2 Sep 2024 617th MeWhenI 🇻🇦 412 260 13 Jun 2025 618th bac0id 403 266 10 Jan 2025 619th HunterC14 402 155 21 Oct 2024 620th Jacob385 401 240 4 Sep 2024 621st zakariamouhid 397 178 14 Sep 2024 622nd galloj 🇨🇿 396 101 4 Sep 2024 623rd dokutan 395 155 1 Sep 2024 624th Naitzirch 🇳🇱 394 158 3 Jul 2025 625th Apzyte-Gamer 378 165 28 Oct 2024 626th CyberTapir 369 169 1 Sep 2024 627th Giantnoodlemonster 365 246 27 Sep 2024 628th IISResetMe 364 127 17 Nov 2024 629th MeWhenI 🇻🇦 363 135 26 Sep 2024 630th rollershutter 354 176 18 Nov 2024 631st Mikey-Beep 🇬🇧 354 193 13 Aug 2025 632nd snoozingnewt 🇺🇸 329 186 1 Sep 2024 633rd mathisfun271 320 195 3 Oct 2024 634th nephila-nacrea 🇬🇧 283 132 4 Sep 2024 635th AidanWalter 282 221 3 Jan 2025 636th snoozingnewt 🇺🇸 276 209 1 Sep 2024 637th KatieLG 🇬🇧 262 459 15 Sep 2024 638th timhaj 🇸🇮 261 239 19 Sep 2024 639th bidger 261 369 20 Sep 2024 640th KatieLG 🇬🇧 259 460 15 Sep 2024 641st snoozingnewt 🇺🇸 241 444 5 days ago 642nd KatieLG 🇬🇧 200 401 15 Sep 2024 643rd KatieLG 🇬🇧 176 398 15 Sep 2024 644th KatieLG 🇬🇧 171 768 15 Sep 2024 645th KatieLG 🇬🇧 112 466 15 Sep 2024 646th Msleizak 🇫🇷 109 424 7 Feb 2025 647th KatieLG 🇬🇧 103 937 15 Sep 2024 648th KatieLG 🇬🇧 85 1,032 15 Sep 2024 649th dokutan 64 1,663 23 Apr 2025 650th dokutan 54 1,663 23 Apr 2025 651st darrenks 0 10 19 Apr 2025 651st lyphyser 0 10 25 May 2025 653rd 2bular 0 11 23 Mar 2025 653rd Natanaelel 🇸🇪 0 11 25 Mar 2025 653rd plcc0 0 11 5 May 2025 656th kg583 🇺🇸 0 12 14 May 2025 657th lyxal 🇦🇺 0 14 17 May 2025 658th plcc0 0 17 20 Mar 2025 659th GolfingSuccess 🇬🇷 0 28 13 Aug 2025 660th KatieLG 🇬🇧 0 29 9 Feb 2025 660th Shanethegamer 🇺🇸 0 29 29 May 2025 662nd AlephSquirrel 0 30 1 Jul 2025 663rd ovs-code 🇩🇪 0 39 8 Jun 2025 664th GolfingSuccess 🇬🇷 0 75 5 Aug 2025 665th dokutan 0 86 28 Jun 2025 666th sean-niemann 🇺🇸 0 90 27 Apr 2025 667th edsrzf 🇳🇿 0 135 26 Jun 2025 First Prev 601–667 of 667
