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 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 Calendar 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 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 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 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 Calendar 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 Chars Time Submitted 449th edsrzf 🇳🇿 678 92 5ms 10 Oct 2024 452nd BlankSpruce 676 158 86ms 1 Sep 2024 453rd madex 🇩🇪 676 177 212ms 17 Sep 2024 454th dokutan 675 156 42ms 1 Sep 2024 455th dcgjb 674 69 292ms 11 Sep 2024 456th dokutan 671 78 192ms 3 Sep 2024 457th adamnielson42 🇺🇸 671 93 9ms 7 Oct 2024 457th smiksky 🇺🇸 671 93 10ms 16 Oct 2024 457th guilhem-roy 🇫🇷 671 93 14ms 31 May 2025 460th stefangimmillaro 669 63 52ms 2 Sep 2024 460th SirBogman 🇺🇸 669 63 37ms 5 Sep 2024 462nd alicethecatwhisperermeow 669 132 395ms 14 Sep 2024 463rd madeforlosers 668 106 8ms 23 Oct 2024 464th chunes3 🇺🇸 668 112 68ms 1 Sep 2024 465th DialFrost 🇸🇬 666 76 16ms 1 Aug 2025 466th AlephSquirrel 666 248 3ms 29 Sep 2024 467th mousetail 🇳🇱 664 94 13ms 1 Sep 2024 467th ljweel 664 94 10ms 12 Sep 2024 469th Maznek 662 107 9ms 8 Oct 2024 470th Shanethegamer 🇺🇸 661 91 141ms 5 Sep 2024 471st kg583 🇺🇸 661 106 6ms 26 Sep 2025 472nd DialFrost 🇸🇬 661 181 193ms 12 Apr 2025 472nd error256 661 181 175ms 22 May 2025 474th GolfingSuccess 🇬🇷 660 162 538ms 1 Sep 2024 474th ovs-code 🇩🇪 660 162 2,853ms 1 Sep 2024 476th dokutan 659 64 51ms 23 Feb 2025 477th msbranicky 657 95 11ms 1 Sep 2024 477th Bulmenisaurus 657 95 12ms 4 Sep 2024 477th btjones0 657 95 10ms 13 Sep 2024 477th jfallon1997 657 95 10ms 26 Sep 2024 477th jacekwladzinski 657 95 10ms 7 Oct 2025 477th aalec 657 95 10ms 8 Nov 2025 483rd NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 484th msbranicky 656 136 3ms 1 Sep 2024 485th msbranicky 655 95 3,872ms 8 Jan 2025 486th Shanethegamer 🇺🇸 655 135 422ms 1 Sep 2024 487th albanian-laundromat 655 189 44ms 14 Sep 2025 488th lukechampine 655 200 255ms 7 Jun 2025 488th jerrandolph 655 200 264ms 21 Sep 2025 490th fgrosshans 🇫🇷 650 96 10ms 1 Sep 2024 490th mm1013g 650 96 11ms 2 Sep 2024 490th Mikey-Beep 🇬🇧 650 96 10ms 2 Sep 2024 490th JudeTyrrell 650 96 10ms 22 Sep 2024 494th TFeld00 🇩🇰 649 65 53ms 3 Sep 2024 495th ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 496th voytxt 🇨🇿 647 93 134ms 17 Apr 2025 497th msbranicky 646 203 257ms 1 Sep 2024 498th error256 645 106 13ms 18 Apr 2025 499th Waffle3z 645 107 2ms 2 Oct 2024 500th stefangimmillaro 643 71 819ms 3 Sep 2024 501st scpchicken 🇵🇼 643 97 248ms 8 Sep 2024 501st Carlettos1 643 97 12ms 14 Sep 2024 503rd mrxz 🇳🇱 643 110 9ms 22 Sep 2024 503rd weliveinhell 🇭🇹 643 110 9ms 28 Sep 2024 505th BlankSpruce 642 140 2ms 1 Sep 2024 506th stefangimmillaro 640 151 437ms 6 Oct 2025 507th emgordon154 639 113 112ms 13 days ago 508th aDwarfNamedUrist 638 138 119ms 4 Sep 2024 509th SirBogman 🇺🇸 637 73 308ms 23 Jul 2025 510th pickerj 637 98 11ms 13 Sep 2024 510th dtbao20 🇻🇳 637 98 16ms 30 Sep 2024 510th YAJUE114514 637 98 10ms 30 Jul 2025 513th stefangimmillaro 636 188 199ms 4 Jun 2025 514th emgordon154 635 40 3ms 27 days ago 515th Shanethegamer 🇺🇸 634 72 861ms 1 Sep 2024 515th anter69 🇭🇺 634 72 858ms 25 Oct 2024 517th Ripick 633 127 392ms 6 Sep 2024 518th CaedenHarper 🇨🇦 632 112 10ms 22 Aug 2025 519th alexeldridge 630 99 10ms 14 Sep 2024 519th Just4FunCoder 630 99 10ms 14 Sep 2025 519th 0xjac 🇨🇭 630 99 10ms 23 days ago 522nd olleicua 🇺🇸 629 67 44ms 6 Sep 2024 523rd BalaM314 626 113 8ms 4 Feb 2025 524th Kacarott 🇦🇺 624 100 10ms 3 Sep 2024 525th cthierfelder 🇲🇨 624 193 77ms 5 Sep 2025 First Prev 451–525 of 707 Next Last