Card Number Validation in all languages in chars. 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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 151st sean-niemann 🇺🇸 840 121 30 Nov 2024 152nd lynn 840 131 8 Jan 2025 153rd error256 839 94 7 Oct 2024 154th kg583 🇺🇸 839 95 2 Aug 2025 155th primo-ppcg 🇹🇭 839 128 27 Apr 2025 156th jatloe 838 77 1 Oct 2024 157th xsot 🇸🇬 837 57 6 May 2025 158th JayXon 🇺🇸 837 109 5 Oct 2024 159th Shanethegamer 🇺🇸 836 67 3 Oct 2024 159th antimon2 🇯🇵 836 67 9 Oct 2024 161st GrayJoKing 🇦🇺 835 47 1 Oct 2024 162nd Shanethegamer 🇺🇸 835 77 1 Oct 2024 162nd edsrzf 🇳🇿 835 77 10 May 2025 162nd biocommando 🇫🇮 835 77 13 Jun 2025 165th sean-niemann 🇺🇸 835 114 2 Oct 2024 166th stefangimmillaro 833 68 2 Oct 2024 167th nwellnhof 🇩🇪 833 84 2 Oct 2024 167th ovs-code 🇩🇪 833 84 2 Nov 2024 167th inventshah 833 84 31 Mar 2025 170th sean-niemann 🇺🇸 832 81 20 Dec 2024 171st error256 832 106 8 Oct 2024 172nd emplv 🇱🇻 832 142 2 Oct 2024 172nd sean-niemann 🇺🇸 832 142 2 Oct 2024 174th emgordon154 831 69 18 Nov 2024 175th stefangimmillaro 830 80 12 Nov 2024 176th stefangimmillaro 830 112 4 Oct 2024 177th MeWhenI 🇻🇦 826 130 3 Oct 2024 178th MeWhenI 🇻🇦 826 143 2 Oct 2024 179th m-tkach 🇺🇦 825 144 8 Oct 2024 180th ovs-code 🇩🇪 825 200 19 Apr 2025 181st retrohun 824 71 10 Jan 2025 182nd dcgjb 824 78 6 May 2025 183rd MeWhenI 🇻🇦 824 85 5 Oct 2024 184th m-tkach 🇺🇦 823 58 8 Oct 2024 185th Kacarott 🇦🇺 823 73 1 Oct 2024 185th chunes3 🇺🇸 823 73 2 Oct 2024 187th ovs-code 🇩🇪 823 78 2 Oct 2024 188th saito-ta 🇯🇵 823 85 1 Oct 2024 189th JayXon 🇺🇸 823 155 3 Oct 2024 190th edsrzf 🇳🇿 821 118 27 Jul 2025 191st ovs-code 🇩🇪 820 65 30 Oct 2024 192nd emplv 🇱🇻 820 145 24 Oct 2024 193rd sean-niemann 🇺🇸 818 48 9 Aug 2025 194th stefangimmillaro 818 99 3 Oct 2024 195th MeWhenI 🇻🇦 817 104 2 Oct 2024 196th edsrzf 🇳🇿 817 108 26 Jul 2025 197th rucin93 🇵🇱 816 71 17 Dec 2024 198th lifthrasiir 🇰🇷 815 197 19 Dec 2024 199th m-tkach 🇺🇦 814 138 3 Oct 2024 200th kg583 🇺🇸 814 142 14 Feb 2025 201st MeWhenI 🇻🇦 813 85 4 Oct 2024 202nd sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 203rd primo-ppcg 🇹🇭 811 232 13 Aug 2025 204th Shanethegamer 🇺🇸 810 70 9 Apr 2025 205th anter69 🇭🇺 809 59 11 Oct 2024 205th Natanaelel 🇸🇪 809 59 7 Feb 2025 207th ovs-code 🇩🇪 808 106 1 Oct 2024 207th inventshah 808 106 1 Oct 2024 209th lifthrasiir 🇰🇷 807 71 2 Dec 2024 210th stefangimmillaro 807 126 3 Oct 2024 211th GolfingSuccess 🇬🇷 806 31 5 Oct 2024 212th kg583 🇺🇸 806 124 20 Oct 2024 212th AlephSquirrel 806 124 21 Oct 2024 214th emgordon154 805 72 2 Oct 2024 215th emgordon154 805 205 7 Mar 2025 216th trinityy-7 804 80 23 Jul 2025 217th MeWhenI 🇻🇦 804 183 2 Oct 2024 218th DialFrost 🇸🇬 802 106 23 Mar 2025 219th ovs-code 🇩🇪 802 119 1 Oct 2024 220th ovs-code 🇩🇪 801 75 1 Oct 2024 221st MeWhenI 🇻🇦 801 127 5 Oct 2024 222nd stefangimmillaro 801 134 3 Oct 2024 223rd xsot 🇸🇬 800 125 20 Oct 2024 224th canissimia 🇦🇶 798 130 4 Oct 2024 225th stefangimmillaro 797 89 4 Oct 2024 Prev 151–225 of 756 Next