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 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 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 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 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial 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 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring 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 Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal 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 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 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 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 151st moustave 844 95 4 Nov 2024 151st emgordon154 844 95 18 Nov 2024 153rd stefangimmillaro 841 112 4 Oct 2024 154th edsrzf 🇳🇿 841 150 27 Feb 2025 155th lynn 840 131 8 Jan 2025 156th error256 839 94 7 Oct 2024 157th JayXon 🇺🇸 837 109 5 Oct 2024 158th sean-niemann 🇺🇸 836 121 30 Nov 2024 159th SirBogman 🇺🇸 835 34 2 Oct 2024 160th xsot 🇸🇬 835 57 48 mins ago 161st IanUtley 835 113 2 Oct 2024 162nd GrayJoKing 🇦🇺 833 47 1 Oct 2024 163rd stefangimmillaro 833 68 2 Oct 2024 164th AdrienHache 🇫🇷 833 85 1 Oct 2024 165th kg583 🇺🇸 833 124 20 Oct 2024 165th AlephSquirrel 833 124 21 Oct 2024 167th sean-niemann 🇺🇸 832 81 20 Dec 2024 168th nwellnhof 🇩🇪 832 84 2 Oct 2024 168th ovs-code 🇩🇪 832 84 2 Nov 2024 168th inventshah 832 84 31 Mar 2025 171st error256 832 106 8 Oct 2024 172nd Shanethegamer 🇺🇸 831 77 1 Oct 2024 173rd stefangimmillaro 830 80 12 Nov 2024 174th primo-ppcg 🇹🇭 830 128 8 days ago 175th ovs-code 🇩🇪 828 65 30 Oct 2024 176th emplv 🇱🇻 828 77 28 Mar 2025 177th xsot 🇸🇬 827 125 20 Oct 2024 178th emplv 🇱🇻 827 142 2 Oct 2024 178th sean-niemann 🇺🇸 827 142 2 Oct 2024 180th sean-niemann 🇺🇸 826 107 3 Oct 2024 181st m-tkach 🇺🇦 825 144 8 Oct 2024 182nd ovs-code 🇩🇪 825 200 17 days ago 183rd retrohun 824 71 10 Jan 2025 184th Kacarott 🇦🇺 823 73 1 Oct 2024 184th chunes3 🇺🇸 823 73 2 Oct 2024 186th sean-niemann 🇺🇸 823 114 2 Oct 2024 187th saito-ta 🇯🇵 822 85 1 Oct 2024 188th nwellnhof 🇩🇪 822 104 2 Oct 2024 189th MeWhenI 🇻🇦 822 143 2 Oct 2024 190th m-tkach 🇺🇦 821 58 8 Oct 2024 191st edsrzf 🇳🇿 820 78 1 Mar 2025 192nd MeWhenI 🇻🇦 820 85 5 Oct 2024 193rd emplv 🇱🇻 820 145 24 Oct 2024 194th MeWhenI 🇻🇦 818 98 1 Oct 2024 194th GolfingSuccess 🇬🇷 818 98 5 Oct 2024 194th firegene 🇮🇪 818 98 21 Oct 2024 197th error256 818 116 7 Oct 2024 198th MeWhenI 🇻🇦 817 104 2 Oct 2024 199th MeWhenI 🇻🇦 817 130 3 Oct 2024 200th MeWhenI 🇻🇦 816 142 2 Oct 2024 201st lifthrasiir 🇰🇷 815 197 19 Dec 2024 202nd m-tkach 🇺🇦 814 138 3 Oct 2024 203rd MeWhenI 🇻🇦 813 85 4 Oct 2024 204th Shanethegamer 🇺🇸 812 69 2 Oct 2024 205th sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 205th DialFrost 🇸🇬 812 83 8 Oct 2024 207th JohandeRuiter 🇳🇱 812 86 17 Jan 2025 208th MeWhenI 🇻🇦 811 109 2 Oct 2024 209th primo-ppcg 🇹🇭 811 235 20 days ago 210th Shanethegamer 🇺🇸 810 70 26 days ago 211th SirBogman 🇺🇸 810 99 8 Oct 2024 212th stefangimmillaro 810 143 3 Oct 2024 212th sean-niemann 🇺🇸 810 143 24 Oct 2024 214th stefangimmillaro 808 99 3 Oct 2024 215th Natanaelel 🇸🇪 807 59 7 Feb 2025 216th GolfingSuccess 🇬🇷 806 31 5 Oct 2024 217th ovs-code 🇩🇪 806 106 1 Oct 2024 217th inventshah 806 106 1 Oct 2024 219th edsrzf 🇳🇿 805 118 27 Feb 2025 220th error256 805 144 2 Oct 2024 221st emgordon154 805 205 7 Mar 2025 222nd edsrzf 🇳🇿 804 98 5 Nov 2024 223rd mousetail 🇳🇱 803 67 12 Oct 2024 224th stefangimmillaro 803 126 3 Oct 2024 225th anter69 🇭🇺 802 100 1 Oct 2024 Prev 151–225 of 661 Next