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 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 25 0 0 2nd edsrzf 🇳🇿 0 5 6 1 4 3rd ovs-code 🇩🇪 0 5 5 5 1 4th sean-niemann 🇺🇸 0 1 4 5 3 5th m-tkach 🇺🇦 0 2 3 1 0 6th saito-ta 🇯🇵 0 1 3 0 0 7th pardouin 🇫🇷 0 0 3 1 1 8th MeWhenI 🇻🇦 0 2 2 5 8 9th canissimia 🇦🇶 0 2 2 1 0 10th primo-ppcg 🇹🇭 0 2 2 0 1 11th DialFrost 🇸🇬 0 1 2 1 4 12th error256 0 1 2 1 1 12th GrayJoKing 🇦🇺 0 1 2 1 1 14th emplv 🇱🇻 0 1 2 1 0 15th nwellnhof 🇩🇪 0 0 2 3 0 16th rucin93 🇵🇱 0 0 2 0 0 17th IanUtley 0 1 1 0 0 17th lifthrasiir 🇰🇷 0 1 1 0 0 17th MostParsingVex 0 1 1 0 0 17th mousetail 🇳🇱 0 1 1 0 0 17th UnderKoen 🇳🇱 0 1 1 0 0 17th 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 AdrienHache 🇫🇷 0 0 1 0 0 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 35th Shanethegamer 🇺🇸 0 0 0 4 5 36th kg583 🇺🇸 0 0 0 2 2 37th emgordon154 0 0 0 2 1 38th stefangimmillaro 0 0 0 1 6 39th AlephSquirrel 0 0 0 1 1 39th CLOStrophobic 🇮🇹 0 0 0 1 1 39th SirBogman 🇺🇸 0 0 0 1 1 42nd 2bular 0 0 0 1 0 42nd acotis 0 0 0 1 0 42nd chunes3 🇺🇸 0 0 0 1 0 42nd dokutan 0 0 0 1 0 42nd iczelia 🇩🇪 0 0 0 1 0 42nd jared-hughes 0 0 0 1 0 42nd Kacarott 🇦🇺 0 0 0 1 0 42nd lynn 0 0 0 1 0 42nd rhdqor213 0 0 0 1 0 42nd zacjl 0 0 0 1 0 52nd albanian-laundromat 0 0 0 0 1 52nd annaproxy 0 0 0 0 1 52nd antimon2 🇯🇵 0 0 0 0 1 52nd ehulinsky 🇺🇸 0 0 0 0 1 52nd FlyingPenguin223 0 0 0 0 1 52nd GolfingSuccess 🇬🇷 0 0 0 0 1 52nd JDiLenarda 🇫🇷 0 0 0 0 1 52nd jwhear 🇺🇸 0 0 0 0 1 52nd KasperKivimaeki 🇫🇮 0 0 0 0 1 52nd namelessiw 0 0 0 0 1 52nd Natanaelel 🇸🇪 0 0 0 0 1 52nd retrohun 0 0 0 0 1 52nd stackofbears 0 0 0 0 1 1–64 of 64