Card Number Validation in all languages in bytes. Ranked by golds, then diamonds, then silvers, then bronzes. 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 Mandelbrot 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 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 All Bytes Chars Scoring All 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 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 Mandelbrot 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 # Golfer 🦄 💎 🥇 🥈 🥉 1st JayXon 🇺🇸 0 19 24 1 0 2nd ovs-code 🇩🇪 0 6 6 4 1 3rd sean-niemann 🇺🇸 0 1 4 5 1 4th GrayJoKing 🇦🇺 0 2 3 1 0 5th saito-ta 🇯🇵 0 1 3 0 0 6th rucin93 🇵🇱 0 0 3 0 0 7th MeWhenI 🇻🇦 1 2 2 7 10 8th m-tkach 🇺🇦 0 2 2 3 0 9th edsrzf 🇳🇿 0 2 2 1 3 10th canissimia 🇦🇶 1 2 2 1 0 11th primo-ppcg 🇹🇭 0 2 2 0 1 12th error256 0 1 2 3 0 13th emplv 🇱🇻 0 1 2 1 0 14th nwellnhof 🇩🇪 0 0 2 5 0 15th AlephSquirrel 1 1 1 1 1 16th CLOStrophobic 🇮🇹 0 1 1 1 0 16th zacjl 0 1 1 1 0 18th AdrienHache 🇫🇷 0 1 1 0 0 18th IanUtley 0 1 1 0 0 18th khvdm 0 1 1 0 0 18th lifthrasiir 🇰🇷 0 1 1 0 0 18th MostParsingVex 0 1 1 0 0 18th UnderKoen 🇳🇱 0 1 1 0 0 18th xsot 🇸🇬 0 1 1 0 0 25th DialFrost 🇸🇬 0 0 1 2 3 26th pardouin 🇫🇷 0 0 1 2 0 27th duckyluuk 🇳🇱 0 0 1 1 0 27th inventshah 0 0 1 1 0 29th sisyphus-ppcg 🇦🇺 0 0 1 0 1 30th bitsandbeyond 🇳🇱 0 0 1 0 0 30th frankgraziano 0 0 1 0 0 32nd Shanethegamer 🇺🇸 0 0 0 4 5 33rd emgordon154 0 0 0 2 1 34th bizy-coder 0 0 0 2 0 35th stefangimmillaro 0 0 0 1 5 36th kg583 🇺🇸 0 0 0 1 1 37th 2bular 0 0 0 1 0 37th acotis 0 0 0 1 0 37th btnlq 0 0 0 1 0 37th chunes3 🇺🇸 0 0 0 1 0 37th FlyingPenguin223 0 0 0 1 0 37th jared-hughes 0 0 0 1 0 37th Kacarott 🇦🇺 0 0 0 1 0 37th KasperKivimaeki 🇫🇮 0 0 0 1 0 37th kops-cg 0 0 0 1 0 37th lynn 0 0 0 1 0 37th lyphyser 0 0 0 1 0 37th radarek 🇵🇱 0 0 0 1 0 37th rhdqor213 0 0 0 1 0 37th Rubiksmath 0 0 0 1 0 37th Seek64 🇩🇪 0 0 0 1 0 37th stackofbears 0 0 0 1 0 37th xnor-gate 0 0 0 1 0 37th Yax42 🇫🇷 0 0 0 1 0 55th Natanaelel 🇸🇪 0 0 0 0 2 56th annaproxy 0 0 0 0 1 56th CatsAreFluffy 0 0 0 0 1 56th ehulinsky 🇺🇸 0 0 0 0 1 56th GolfingSuccess 🇬🇷 0 0 0 0 1 56th JDiLenarda 🇫🇷 0 0 0 0 1 56th mousetail 🇳🇱 0 0 0 0 1 56th retrohun 0 0 0 0 1 1–62 of 62