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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 481st sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 482nd stefangimmillaro 691 90 3,996ms 14 Nov 2024 483rd aksyristos 689 111 11ms 1 Sep 2024 483rd wh3n3v3r 🇨🇿 689 111 10ms 11 Nov 2024 483rd AstroOrbis 689 111 10ms 30 Jun 2025 486th Shanethegamer 🇺🇸 689 206 30ms 4 Sep 2024 487th JunkIce 688 92 477ms 3 Dec 2024 488th GolfingSuccess 🇬🇷 686 131 2ms 1 Sep 2024 489th kaascevich 685 116 1,645ms 15 Sep 2025 490th emgordon154 682 288 1,927ms 2 Oct 2024 491st DialFrost 🇸🇬 681 62 40ms 30 Jan 2025 492nd olleicua 🇺🇸 681 104 10ms 11 Sep 2024 492nd charliegaming 681 104 10ms 28 Nov 2024 494th DialFrost 🇸🇬 681 118 93ms 22 Jun 2025 495th MeWhenI 🇻🇦 679 117 113ms 2 Sep 2024 495th stefangimmillaro 679 117 101ms 2 Sep 2024 497th edsrzf 🇳🇿 678 92 7ms 10 Oct 2024 498th BlankSpruce 676 158 56ms 1 Sep 2024 499th madex 🇩🇪 676 177 212ms 17 Sep 2024 500th dcgjb 674 69 292ms 11 Sep 2024 501st alicethecatwhisperermeow 671 132 395ms 14 Sep 2024 502nd stefangimmillaro 670 63 35ms 2 Sep 2024 502nd SirBogman 🇺🇸 670 63 40ms 5 Sep 2024 504th madeforlosers 668 106 11ms 23 Oct 2024 505th chunes3 🇺🇸 668 112 64ms 1 Sep 2024 506th voytxt 🇨🇿 665 93 132ms 17 Apr 2025 507th dokutan 662 79 204ms 3 Sep 2024 508th Maznek 662 107 10ms 8 Oct 2024 508th dokutan 662 107 10ms 5 Jun 2025 510th DialFrost 🇸🇬 661 181 193ms 12 Apr 2025 510th error256 661 181 175ms 22 May 2025 512th LeoCh01 660 116 9ms 1 Sep 2024 513th GolfingSuccess 🇬🇷 660 162 407ms 1 Sep 2024 513th ovs-code 🇩🇪 660 162 2,413ms 1 Sep 2024 515th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 516th Shanethegamer 🇺🇸 656 135 422ms 1 Sep 2024 517th msbranicky 656 136 3ms 1 Sep 2024 518th msbranicky 655 95 3,204ms 8 Jan 2025 519th albanian-laundromat 655 189 44ms 14 Sep 2025 520th lukechampine 655 200 255ms 7 Jun 2025 520th jerrandolph 655 200 264ms 21 Sep 2025 522nd Shanethegamer 🇺🇸 651 95 141ms 8 Jan 2025 523rd TFeld00 🇩🇰 650 65 38ms 3 Sep 2024 524th AlephSquirrel 650 248 3ms 29 Sep 2024 525th ShiraJoseph 🇺🇸 649 109 10ms 22 Sep 2024 526th msbranicky 646 203 257ms 1 Sep 2024 527th Waffle3z 645 107 2ms 2 Oct 2024 528th stefangimmillaro 643 71 819ms 3 Sep 2024 529th mrxz 🇳🇱 643 110 12ms 22 Sep 2024 529th weliveinhell 🇭🇹 643 110 10ms 28 Sep 2024 531st Zhenyu-Bo 643 119 11ms 1 Aug 2025 532nd BlankSpruce 642 140 2ms 1 Sep 2024 533rd anter69 🇭🇺 640 66 39ms 25 Oct 2024 534th stefangimmillaro 640 151 437ms 6 Oct 2025 535th emgordon154 639 113 109ms 4 Dec 2025 536th aDwarfNamedUrist 639 138 119ms 4 Sep 2024 537th lhulinsky 638 120 11ms 23 Oct 2024 537th arjunarya1 638 120 10ms 11 Sep 2025 539th SirBogman 🇺🇸 637 73 308ms 23 Jul 2025 540th stefangimmillaro 636 188 199ms 4 Jun 2025 541st emgordon154 635 40 3ms 20 Nov 2025 542nd Shanethegamer 🇺🇸 634 72 861ms 1 Sep 2024 542nd anter69 🇭🇺 634 72 858ms 25 Oct 2024 544th weeble 634 77 8ms 24 days ago 545th Ripick 633 127 392ms 6 Sep 2024 546th KatieLG 🇬🇧 632 112 13ms 1 Sep 2024 546th CaedenHarper 🇨🇦 632 112 10ms 22 Aug 2025 548th dokutan 632 120 6ms 1 Sep 2024 548th Shanethegamer 🇺🇸 632 120 6ms 2 Sep 2024 550th olleicua 🇺🇸 630 67 41ms 6 Sep 2024 551st cthierfelder 🇲🇨 630 193 77ms 5 Sep 2025 552nd RedzGoose 🇦🇺 627 101 552ms 15 Oct 2024 553rd kevinnaviapaiva 627 122 12ms 16 Feb 2025 554th BalaM314 626 113 10ms 4 Feb 2025 555th SirBogman 🇺🇸 624 59 134ms 23 Jul 2025 556th kmathis22 623 155 356ms 14 Dec 2025 557th DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 558th eddvrs 622 123 11ms 29 Sep 2024 559th Shanethegamer 🇺🇸 621 68 39ms 1 Sep 2024 559th emgordon154 621 68 38ms 1 Sep 2024 First Prev 481–560 of 724 Next Last