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 721st rollershutter 435 176 11ms 18 Nov 2024 722nd ehulinsky 🇺🇸 432 122 3ms 3 Apr 2025 723rd Yewzir 🇧🇪 428 179 12ms 1 Dec 2025 724th aksyristos 420 101 37ms 17 Nov 2024 725th MeWhenI 🇻🇦 413 260 77ms 13 Jun 2025 726th amazingalek 🇳🇴 412 216 494ms 26 Jan 2026 727th Jacob385 407 240 393ms 4 Sep 2024 728th bac0id 404 266 2,913ms 10 Jan 2025 729th jusaka 403 222 10ms 2 hours ago 730th zakariamouhid 398 178 11ms 14 Sep 2024 731st galloj 🇨🇿 396 101 10ms 4 Sep 2024 732nd varhammer 381 235 9ms 20 Oct 2025 733rd flekAI 378 114 799ms 3 days ago 734th Yewzir 🇧🇪 371 171 642ms 1 Dec 2025 735th nemoyatpeace 368 208 10ms 16 Jan 2026 736th Giantnoodlemonster 367 246 2ms 27 Sep 2024 737th jusaka 364 233 10ms 2 hours ago 738th MeWhenI 🇻🇦 363 135 7ms 26 Sep 2024 739th Mikey-Beep 🇬🇧 354 193 15ms 13 Aug 2025 740th flekAI 354 374 292ms 2 days ago 741st flekAI 353 149 213ms 2 days ago 742nd AidanWalter 347 221 11ms 3 Jan 2025 743rd flekAI 342 184 5ms 3 days ago 744th jusaka 338 227 8ms 4 hours ago 745th flekAI 336 243 198ms 2 days ago 746th flekAI 330 289 245ms 3 days ago 747th flekAI 329 233 9ms 2 days ago 748th flekAI 328 249 108ms 3 days ago 749th Imsmelkov 328 298 448ms 22 Jan 2026 750th jusaka 324 193 2,290ms 5 hours ago 751st timhaj 🇸🇮 320 239 11ms 19 Sep 2024 752nd dokutan 313 261 128ms 27 Feb 2026 753rd flekAI 312 147 1,244ms 2 days ago 753rd jusaka 312 147 1,390ms 4 hours ago 755th snoozingnewt 🇨🇦 311 209 116ms 1 Sep 2024 756th flekAI 308 317 363ms 3 days ago 757th flekAI 308 349 74ms 3 days ago 758th jusaka 307 290 461ms 4 hours ago 759th dokutan 298 396 1,493ms 27 Feb 2026 760th flekAI 297 125 114ms 3 days ago 761st flekAI 291 280 94ms 3 days ago 762nd flekAI 290 307 492ms 3 days ago 763rd jusaka 287 183 229ms 4 hours ago 764th jusaka 286 316 3ms 5 hours ago 765th nephila-nacrea 🇬🇧 284 132 4ms 4 Sep 2024 766th jusaka 280 291 89ms 5 hours ago 767th flekAI 280 463 44ms 2 days ago 768th jusaka 277 280 4ms 118 mins ago 769th jusaka 275 481 354ms 5 hours ago 770th flekAI 271 295 733ms 3 days ago 771st flekAI 271 301 393ms 3 days ago 772nd flekAI 270 456 30ms 2 days ago 773rd flekAI 266 141 3ms 3 days ago 774th bidger 265 369 410ms 20 Sep 2024 775th flekAI 263 343 3ms 3 days ago 776th KatieLG 🇬🇧 262 460 207ms 15 Sep 2024 777th jusaka 260 250 99ms 5 hours ago 778th jusaka 259 243 5ms 5 hours ago 779th jusaka 258 190 11ms 72 mins ago 780th dokutan 257 380 381ms 27 Feb 2026 781st KatieLG 🇬🇧 257 459 1,404ms 15 Sep 2024 782nd jusaka 254 375 194ms 3 hours ago 783rd flekAI 249 311 4ms 2 days ago 784th jusaka 249 683 1,466ms 3 hours ago 785th jusaka 246 500 35ms 3 hours ago 786th snoozingnewt 🇨🇦 242 444 1,494ms 6 Oct 2025 787th jusaka 237 179 37ms 6 hours ago 788th flekAI 236 294 2ms 3 days ago 789th jusaka 231 354 221ms 3 hours ago 790th jusaka 229 356 373ms 4 hours ago 791st dokutan 228 579 320ms 27 Feb 2026 792nd flekAI 226 288 119ms 3 days ago 793rd dokutan 223 283 5ms 27 Feb 2026 794th flekAI 223 381 10ms 2 days ago 795th jusaka 219 366 100ms 5 hours ago 796th jusaka 216 547 1,311ms 4 hours ago 797th jusaka 214 332 10ms 6 hours ago 798th dokutan 212 449 174ms 27 Feb 2026 799th jusaka 209 390 100ms 5 hours ago 800th KatieLG 🇬🇧 204 401 198ms 15 Sep 2024 First Prev 721–800 of 849 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