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 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 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 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 Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 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 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 151st MeWhenI 🇻🇦 854 92 24 Dec 2024 152nd stefangimmillaro 854 139 3 Oct 2024 152nd edsrzf 🇳🇿 854 139 23 Jul 2025 154th ovs-code 🇩🇪 853 46 4 Oct 2024 154th nwellnhof 🇩🇪 853 46 7 Oct 2024 156th JayXon 🇺🇸 853 95 4 Oct 2024 157th sean-niemann 🇺🇸 852 56 8 Aug 2025 158th edsrzf 🇳🇿 850 86 24 Jul 2025 159th MostParsingVex 850 100 1 Oct 2024 160th DialFrost 🇸🇬 847 94 1 Oct 2024 160th ndren 847 94 14 Feb 2025 162nd emgordon154 846 67 18 Nov 2024 163rd IanUtley 844 113 2 Oct 2024 164th KasperKivimaeki 🇫🇮 842 141 4 days ago 165th edsrzf 🇳🇿 841 150 27 Feb 2025 166th error256 840 94 7 Oct 2024 167th CLOStrophobic 🇮🇹 840 119 24 Feb 2025 168th sean-niemann 🇺🇸 840 121 30 Nov 2024 169th lynn 840 131 8 Jan 2025 170th error256 839 106 8 Oct 2024 171st primo-ppcg 🇹🇭 839 128 27 Apr 2025 172nd moustave 838 95 4 Nov 2024 172nd emgordon154 838 95 18 Nov 2024 174th xsot 🇸🇬 837 57 6 May 2025 175th JayXon 🇺🇸 837 109 5 Oct 2024 176th emplv 🇱🇻 836 142 2 Oct 2024 176th sean-niemann 🇺🇸 836 142 2 Oct 2024 178th GrayJoKing 🇦🇺 835 47 1 Oct 2024 179th Shanethegamer 🇺🇸 835 77 1 Oct 2024 179th edsrzf 🇳🇿 835 77 10 May 2025 179th biocommando 🇫🇮 835 77 13 Jun 2025 182nd nwellnhof 🇩🇪 835 84 2 Oct 2024 182nd ovs-code 🇩🇪 835 84 2 Nov 2024 182nd inventshah 835 84 31 Mar 2025 185th sean-niemann 🇺🇸 835 114 2 Oct 2024 186th stefangimmillaro 833 68 2 Oct 2024 187th sean-niemann 🇺🇸 832 81 20 Dec 2024 188th emplv 🇱🇻 830 77 28 Mar 2025 189th stefangimmillaro 830 80 12 Nov 2024 190th stefangimmillaro 830 112 4 Oct 2024 191st MeWhenI 🇻🇦 830 143 2 Oct 2024 192nd KasperKivimaeki 🇫🇮 829 96 1 Jul 2025 192nd MeWhenI 🇻🇦 829 96 30 Jul 2025 194th MeWhenI 🇻🇦 826 130 3 Oct 2024 195th dcgjb 825 78 6 May 2025 196th saito-ta 🇯🇵 825 85 1 Oct 2024 197th m-tkach 🇺🇦 825 144 8 Oct 2024 198th ovs-code 🇩🇪 825 200 19 Apr 2025 199th retrohun 824 71 10 Jan 2025 200th MeWhenI 🇻🇦 824 85 5 Oct 2024 201st m-tkach 🇺🇦 823 58 8 Oct 2024 202nd Kacarott 🇦🇺 823 73 1 Oct 2024 202nd chunes3 🇺🇸 823 73 2 Oct 2024 204th edsrzf 🇳🇿 823 108 26 Jul 2025 205th JayXon 🇺🇸 823 155 3 Oct 2024 206th DialFrost 🇸🇬 822 82 23 Jun 2025 207th edsrzf 🇳🇿 821 118 27 Jul 2025 208th ovs-code 🇩🇪 820 65 30 Oct 2024 209th emplv 🇱🇻 820 145 24 Oct 2024 210th sean-niemann 🇺🇸 818 48 9 Aug 2025 211th stefangimmillaro 818 99 3 Oct 2024 212th MeWhenI 🇻🇦 817 104 2 Oct 2024 213th canissimia 🇦🇶 817 130 4 Oct 2024 214th lifthrasiir 🇰🇷 815 197 19 Dec 2024 215th m-tkach 🇺🇦 814 138 3 Oct 2024 216th MeWhenI 🇻🇦 813 85 4 Oct 2024 217th Shanethegamer 🇺🇸 812 69 2 Oct 2024 218th sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 219th GolfingSuccess 🇬🇷 812 98 5 Oct 2024 219th firegene 🇮🇪 812 98 21 Oct 2024 221st primo-ppcg 🇹🇭 811 232 13 Aug 2025 222nd Shanethegamer 🇺🇸 810 70 9 Apr 2025 223rd ovs-code 🇩🇪 810 106 1 Oct 2024 223rd inventshah 810 106 1 Oct 2024 225th Natanaelel 🇸🇪 809 59 7 Feb 2025 First Prev 151–225 of 778 Next Last