Card Number Validation 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 374th junkondo-jp 720 89 14 Dec 2024 377th MeWhenI 🇻🇦 718 78 2 Oct 2024 378th voytxt 🇨🇿 716 89 17 Apr 2025 379th mousetail 🇳🇱 715 111 6 Oct 2024 380th annaproxy 715 132 1 Oct 2024 381st Shanethegamer 🇺🇸 714 112 3 Oct 2024 382nd alexsave 712 90 28 Oct 2024 383rd anter69 🇭🇺 711 67 1 Oct 2024 384th rzv-me 710 95 5 Oct 2024 385th OllieBoyne 🇬🇧 708 112 17 Oct 2024 385th WillConker 708 112 22 Oct 2024 385th maxgodfrey2004 🇨🇦 708 112 4 Jan 2025 388th snyderek 🇺🇸 706 121 1 Oct 2024 389th Natanaelel 🇸🇪 705 55 1 Mar 2025 390th MeWhenI 🇻🇦 704 73 3 Oct 2024 391st MeWhenI 🇻🇦 704 115 5 Oct 2024 392nd DialFrost 🇸🇬 704 132 8 Apr 2025 393rd SB-945 702 113 1 Oct 2024 393rd Artemis21 🇬🇧 702 113 23 Jan 2025 395th cbrt-x 701 157 1 Oct 2024 396th janlelis 700 68 1 Oct 2024 397th mousetail 🇳🇱 699 133 3 Oct 2024 398th Alex-x90 🇺🇸 698 100 1 Oct 2024 399th emgordon154 697 76 2 days ago 400th LukeBridges 🇬🇧 696 92 3 Oct 2024 401st HumanoidCPU 696 114 7 Mar 2025 402nd BlankSpruce 695 123 1 Oct 2024 403rd Shanethegamer 🇺🇸 693 41 4 Oct 2024 404th emgordon154 693 134 25 Feb 2025 405th emgordon154 692 101 25 Nov 2024 406th tobeannouncd 692 159 13 Dec 2024 407th jipsong 🇩🇪 690 115 27 days ago 408th Salutations45 689 93 17 Nov 2024 408th strattonwhisler 689 93 26 Mar 2025 410th Alex-x90 🇺🇸 689 124 1 Oct 2024 411th pardouin 🇫🇷 687 57 3 Oct 2024 412th emgordon154 687 111 12 Jan 2025 413th NickTheEASDude 🇺🇸 686 115 17 Dec 2024 414th MeWhenI 🇻🇦 684 68 2 Oct 2024 415th Bmrl7 684 116 3 Oct 2024 415th rowechenzhong 684 116 17 Oct 2024 417th error256 681 104 14 Oct 2024 418th CatsAreFluffy 680 53 27 Dec 2024 419th madex 🇩🇪 678 103 2 Oct 2024 420th dtbao20 🇻🇳 678 117 1 Oct 2024 420th Pyroan 678 117 22 Feb 2025 420th andrewjc2000 678 117 6 May 2025 423rd plcc0 676 37 6 Apr 2025 424th the-zammers 675 163 1 Dec 2024 425th Shanethegamer 🇺🇸 674 65 1 Oct 2024 426th MeWhenI 🇻🇦 673 108 2 Oct 2024 427th BlankSpruce 672 104 1 Oct 2024 428th elgan65536 672 118 2 Oct 2024 428th logvp 672 118 6 Oct 2024 428th ahmetdemirag 🇨🇾 672 118 6 Feb 2025 428th albanian-laundromat 672 118 14 Mar 2025 428th plcc0 672 118 6 Apr 2025 428th KatieLG 🇬🇧 672 118 20 Apr 2025 434th aDwarfNamedUrist 671 164 16 Oct 2024 435th error256 668 101 24 Oct 2024 436th tailorspy 668 128 4 Oct 2024 437th jtaxen 667 119 21 Oct 2024 437th psbpsbp 667 119 19 Dec 2024 437th klixel 🇨🇦 667 119 9 Apr 2025 440th jwhear 🇺🇸 666 197 1 Oct 2024 441st TaserTheFox 🇺🇸 661 120 8 Oct 2024 441st yokasuretsu 661 120 26 Jan 2025 441st Troon 661 120 17 Feb 2025 444th two-bad 🇬🇧 660 97 2 Oct 2024 445th rniii 659 106 2 Oct 2024 445th gastropner 659 106 11 Feb 2025 447th 4hg 🇺🇸 657 59 5 Oct 2024 448th dbut2 🇦🇺 656 179 31 Oct 2024 449th Ripick 655 135 23 Mar 2025 450th xyangst 654 98 15 Oct 2024 Prev 376–450 of 676 Next