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 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 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 Transpose Sentence Trinomial Triangle 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 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 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 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer 🦄 💎 🥇 🥈 🥉 1st JayXon 🇺🇸 0 17 24 1 0 2nd ovs-code 🇩🇪 0 6 6 4 1 3rd edsrzf 🇳🇿 0 4 6 1 4 4th sean-niemann 🇺🇸 0 1 5 5 2 5th error256 0 1 3 1 1 6th saito-ta 🇯🇵 0 1 3 0 0 7th rucin93 🇵🇱 0 0 3 0 0 8th MeWhenI 🇻🇦 0 2 2 5 9 9th m-tkach 🇺🇦 0 2 2 3 0 10th canissimia 🇦🇶 0 2 2 1 0 11th primo-ppcg 🇹🇭 0 2 2 0 1 12th GrayJoKing 🇦🇺 0 1 2 1 1 13th emplv 🇱🇻 0 1 2 1 0 14th AdrienHache 🇫🇷 0 1 2 0 0 15th nwellnhof 🇩🇪 0 0 2 3 1 16th IanUtley 0 1 1 0 0 16th khvdm 0 1 1 0 0 16th lifthrasiir 🇰🇷 0 1 1 0 0 16th MostParsingVex 0 1 1 0 0 16th mousetail 🇳🇱 0 1 1 0 0 16th UnderKoen 🇳🇱 0 1 1 0 0 16th xsot 🇸🇬 0 1 1 0 0 23rd DialFrost 🇸🇬 0 0 1 2 4 24th pardouin 🇫🇷 0 0 1 2 0 25th duckyluuk 🇳🇱 0 0 1 1 0 25th inventshah 0 0 1 1 0 27th sisyphus-ppcg 🇦🇺 0 0 1 0 1 28th bitsandbeyond 🇳🇱 0 0 1 0 0 28th frankgraziano 0 0 1 0 0 28th radarek 🇵🇱 0 0 1 0 0 31st Shanethegamer 🇺🇸 0 0 0 4 5 32nd AlephSquirrel 0 0 0 2 1 32nd emgordon154 0 0 0 2 1 34th bizy-coder 0 0 0 2 0 34th CLOStrophobic 🇮🇹 0 0 0 2 0 36th stefangimmillaro 0 0 0 1 6 37th kg583 🇺🇸 0 0 0 1 1 37th SirBogman 🇺🇸 0 0 0 1 1 37th zacjl 0 0 0 1 1 40th 2bular 0 0 0 1 0 40th acotis 0 0 0 1 0 40th btnlq 0 0 0 1 0 40th chunes3 🇺🇸 0 0 0 1 0 40th dokutan 0 0 0 1 0 40th iczelia 🇩🇪 0 0 0 1 0 40th jared-hughes 0 0 0 1 0 40th Kacarott 🇦🇺 0 0 0 1 0 40th KasperKivimaeki 🇫🇮 0 0 0 1 0 40th kops-cg 0 0 0 1 0 40th lynn 0 0 0 1 0 40th lyphyser 0 0 0 1 0 40th rhdqor213 0 0 0 1 0 40th Rubiksmath 0 0 0 1 0 40th Seek64 🇩🇪 0 0 0 1 0 40th xnor-gate 0 0 0 1 0 56th albanian-laundromat 0 0 0 0 1 56th annaproxy 0 0 0 0 1 56th CatsAreFluffy 0 0 0 0 1 56th ehulinsky 🇺🇸 0 0 0 0 1 56th FlyingPenguin223 0 0 0 0 1 56th GolfingSuccess 🇬🇷 0 0 0 0 1 56th JDiLenarda 🇫🇷 0 0 0 0 1 56th jwhear 🇺🇸 0 0 0 0 1 56th namelessiw 0 0 0 0 1 56th Natanaelel 🇸🇪 0 0 0 0 1 56th retrohun 0 0 0 0 1 56th stackofbears 0 0 0 0 1 1–67 of 67