Card Number Validation in all languages in chars. 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 Topological Sort 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 Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer 🦄 💎 🥇 🥈 🥉 1st JayXon 🇺🇸 0 18 25 0 0 2nd ovs-code 🇩🇪 0 5 5 5 1 3rd edsrzf 🇳🇿 0 3 3 3 4 4th GrayJoKing 🇦🇺 0 2 3 1 0 4th m-tkach 🇺🇦 0 2 3 1 0 6th sean-niemann 🇺🇸 0 1 3 5 2 7th saito-ta 🇯🇵 0 1 3 0 0 8th pardouin 🇫🇷 0 0 3 1 1 9th MeWhenI 🇻🇦 1 2 2 6 10 10th canissimia 🇦🇶 1 2 2 1 0 11th kg583 🇺🇸 0 2 2 0 2 12th primo-ppcg 🇹🇭 0 2 2 0 1 13th error256 0 1 2 2 1 14th DialFrost 🇸🇬 0 1 2 1 3 15th emplv 🇱🇻 0 1 2 1 0 16th nwellnhof 🇩🇪 0 0 2 3 2 17th rucin93 🇵🇱 0 0 2 0 0 18th IanUtley 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 23rd duckyluuk 🇳🇱 0 0 1 1 0 23rd inventshah 0 0 1 1 0 25th sisyphus-ppcg 🇦🇺 0 0 1 0 1 26th bitsandbeyond 🇳🇱 0 0 1 0 0 26th bizy-coder 0 0 1 0 0 26th btnlq 0 0 1 0 0 26th frankgraziano 0 0 1 0 0 26th khvdm 0 0 1 0 0 26th radarek 🇵🇱 0 0 1 0 0 26th Rubiksmath 0 0 1 0 0 26th Seek64 🇩🇪 0 0 1 0 0 34th Shanethegamer 🇺🇸 0 0 0 4 5 35th emgordon154 0 0 0 2 1 36th stefangimmillaro 0 0 0 1 5 37th AlephSquirrel 0 0 0 1 1 37th CLOStrophobic 🇮🇹 0 0 0 1 1 37th SirBogman 🇺🇸 0 0 0 1 1 40th 2bular 0 0 0 1 0 40th acotis 0 0 0 1 0 40th chunes3 🇺🇸 0 0 0 1 0 40th FlyingPenguin223 0 0 0 1 0 40th jared-hughes 0 0 0 1 0 40th Kacarott 🇦🇺 0 0 0 1 0 40th lynn 0 0 0 1 0 40th namelessiw 0 0 0 1 0 40th rhdqor213 0 0 0 1 0 40th zacjl 0 0 0 1 0 50th albanian-laundromat 0 0 0 0 1 50th annaproxy 0 0 0 0 1 50th antimon2 🇯🇵 0 0 0 0 1 50th ehulinsky 🇺🇸 0 0 0 0 1 50th GolfingSuccess 🇬🇷 0 0 0 0 1 50th JDiLenarda 🇫🇷 0 0 0 0 1 50th KasperKivimaeki 🇫🇮 0 0 0 0 1 50th mousetail 🇳🇱 0 0 0 0 1 50th Natanaelel 🇸🇪 0 0 0 0 1 50th retrohun 0 0 0 0 1 50th stackofbears 0 0 0 0 1 50th Yax42 🇫🇷 0 0 0 0 1 1–61 of 61