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 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig All Bytes Chars Scoring All Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer 🥇 💎 🥈 🥉 1st JayXon 🇺🇸 24 (20) 0 0 2nd ovs-code 🇩🇪 5 (5) 2 4 3rd MeWhenI 🇻🇦 4 (4) 7 8 4th m-tkach 🇺🇦 3 (2) 2 0 5th saito-ta 🇯🇵 3 (2) 0 1 6th GrayJoKing 🇦🇺 3 (1) 1 0 7th AlephSquirrel 3 (1) 0 0 8th canissimia 🇦🇶 2 (2) 1 0 9th sean-niemann 🇺🇸 2 (1) 5 2 10th error256 2 (1) 3 0 11th emplv 🇱🇻 2 (1) 1 0 12th duckyluuk 🇳🇱 2 (1) 0 0 12th kg583 🇺🇸 2 (1) 0 0 14th nwellnhof 🇩🇪 2 (0) 6 1 15th rucin93 🇵🇱 2 (0) 1 0 16th btnlq 2 (0) 0 0 17th Shanethegamer 🇺🇸 1 (1) 4 7 18th zacjl 1 (1) 1 0 19th xsot 🇸🇬 1 (1) 0 2 20th AdrienHache 1 (1) 0 1 20th inventshah 1 (1) 0 1 22nd IanUtley 1 (1) 0 0 22nd MostParsingVex 1 (1) 0 0 22nd UnderKoen 🇳🇱 1 (1) 0 0 25th pardouin 🇫🇷 1 (0) 2 0 26th bizy-coder 1 (0) 1 0 26th sisyphus-ppcg 🇦🇺 1 (0) 1 0 28th bitsandbeyond 🇳🇱 1 (0) 0 0 28th Rubiksmath 1 (0) 0 0 28th Seek64 🇩🇪 1 (0) 0 0 31st stefangimmillaro 0 (0) 3 3 32nd edsrzf 🇳🇿 0 (0) 2 3 33rd DialFrost 🇸🇬 0 (0) 2 1 34th 2bular 0 (0) 1 0 34th chunes3 🇺🇸 0 (0) 1 0 34th emgordon154 0 (0) 1 0 34th FlyingPenguin223 0 (0) 1 0 34th Kacarott 🇦🇺 0 (0) 1 0 34th KasperKivimaeki 🇫🇮 0 (0) 1 0 34th lyphyser 0 (0) 1 0 34th radarek 🇵🇱 0 (0) 1 0 34th rhdqor213 0 (0) 1 0 34th stackofbears 0 (0) 1 0 44th Natanaelel 🇸🇪 0 (0) 0 2 45th acotis 0 (0) 0 1 45th annaproxy 0 (0) 0 1 45th CatsAreFluffy 0 (0) 0 1 45th cbrt-x 0 (0) 0 1 45th JDiLenarda 🇫🇷 0 (0) 0 1 45th KatieLG 🇬🇧 0 (0) 0 1 45th mousetail 🇳🇱 0 (0) 0 1 45th retrohun 0 (0) 0 1 1–52 of 52