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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula 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 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 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 151st JayXon 🇺🇸 837 109 5 Oct 2024 152nd xsot 🇸🇬 836 57 6 May 2025 153rd Shanethegamer 🇺🇸 836 67 3 Oct 2024 153rd antimon2 🇯🇵 836 67 9 Oct 2024 155th IanUtley 835 113 2 Oct 2024 156th sean-niemann 🇺🇸 835 114 2 Oct 2024 157th Shanethegamer 🇺🇸 834 77 1 Oct 2024 157th edsrzf 🇳🇿 834 77 10 May 2025 157th biocommando 🇫🇮 834 77 13 Jun 2025 160th GrayJoKing 🇦🇺 833 47 1 Oct 2024 161st stefangimmillaro 833 68 2 Oct 2024 162nd nwellnhof 🇩🇪 833 84 2 Oct 2024 162nd ovs-code 🇩🇪 833 84 2 Nov 2024 162nd inventshah 833 84 31 Mar 2025 165th sean-niemann 🇺🇸 832 81 20 Dec 2024 166th error256 832 106 8 Oct 2024 167th emplv 🇱🇻 832 142 2 Oct 2024 167th sean-niemann 🇺🇸 832 142 2 Oct 2024 169th stefangimmillaro 830 80 12 Nov 2024 170th stefangimmillaro 830 112 4 Oct 2024 171st emgordon154 829 69 18 Nov 2024 172nd MeWhenI 🇻🇦 826 130 3 Oct 2024 173rd MeWhenI 🇻🇦 826 143 2 Oct 2024 174th m-tkach 🇺🇦 825 144 8 Oct 2024 175th ovs-code 🇩🇪 825 200 19 Apr 2025 176th retrohun 824 71 10 Jan 2025 177th MeWhenI 🇻🇦 824 85 5 Oct 2024 178th Kacarott 🇦🇺 823 73 1 Oct 2024 178th chunes3 🇺🇸 823 73 2 Oct 2024 180th ovs-code 🇩🇪 823 78 2 Oct 2024 180th dcgjb 823 78 6 May 2025 182nd saito-ta 🇯🇵 823 85 1 Oct 2024 183rd m-tkach 🇺🇦 822 58 8 Oct 2024 184th edsrzf 🇳🇿 821 118 7 days ago 185th MeWhenI 🇻🇦 821 142 2 Oct 2024 186th ovs-code 🇩🇪 820 65 30 Oct 2024 187th emplv 🇱🇻 820 145 24 Oct 2024 188th MeWhenI 🇻🇦 817 104 2 Oct 2024 189th edsrzf 🇳🇿 817 108 8 days ago 190th rucin93 🇵🇱 816 71 17 Dec 2024 191st stefangimmillaro 815 143 3 Oct 2024 191st sean-niemann 🇺🇸 815 143 24 Oct 2024 193rd lifthrasiir 🇰🇷 815 197 19 Dec 2024 194th m-tkach 🇺🇦 814 138 3 Oct 2024 195th MeWhenI 🇻🇦 813 85 4 Oct 2024 196th stefangimmillaro 813 99 3 Oct 2024 197th sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 198th primo-ppcg 🇹🇭 811 235 23 Jun 2025 199th Shanethegamer 🇺🇸 810 70 9 Apr 2025 200th error256 810 144 2 Oct 2024 201st anter69 🇭🇺 808 59 11 Oct 2024 201st Natanaelel 🇸🇪 808 59 7 Feb 2025 203rd ovs-code 🇩🇪 808 106 1 Oct 2024 203rd inventshah 808 106 1 Oct 2024 205th stefangimmillaro 807 126 3 Oct 2024 206th GolfingSuccess 🇬🇷 806 31 5 Oct 2024 207th kg583 🇺🇸 806 124 20 Oct 2024 207th AlephSquirrel 806 124 21 Oct 2024 209th lifthrasiir 🇰🇷 805 71 2 Dec 2024 210th emgordon154 805 72 2 Oct 2024 211th emgordon154 805 205 7 Mar 2025 212th Apataras 804 145 25 Jun 2025 212th edsrzf 🇳🇿 804 145 8 days ago 214th trinityy-7 803 80 11 days ago 215th DialFrost 🇸🇬 802 106 23 Mar 2025 216th ovs-code 🇩🇪 801 75 1 Oct 2024 217th MeWhenI 🇻🇦 801 127 5 Oct 2024 218th stefangimmillaro 801 134 3 Oct 2024 219th xsot 🇸🇬 800 125 20 Oct 2024 220th canissimia 🇦🇶 798 130 4 Oct 2024 221st edsrzf 🇳🇿 798 150 27 Feb 2025 222nd Shanethegamer 🇺🇸 797 138 3 Oct 2024 223rd albanian-laundromat 796 81 16 Jun 2025 224th MeWhenI 🇻🇦 795 88 2 Oct 2024 225th stefangimmillaro 795 89 4 Oct 2024 Prev 151–225 of 727 Next