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 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 Chars Time 226th stefangimmillaro 801 134 3 Oct 2024 227th xsot 🇸🇬 800 125 20 Oct 2024 228th error256 799 116 14 days ago 229th canissimia 🇦🇶 798 130 4 Oct 2024 230th albanian-laundromat 797 81 16 Jun 2025 231st MeWhenI 🇻🇦 797 88 2 Oct 2024 232nd stefangimmillaro 797 89 4 Oct 2024 233rd Shanethegamer 🇺🇸 797 138 3 Oct 2024 234th tayloia 🇬🇧 794 81 3 Oct 2024 234th targrik 794 81 8 Feb 2025 236th stefangimmillaro 794 87 4 Oct 2024 237th duckyluuk 🇳🇱 794 99 17 Dec 2024 238th Shanethegamer 🇺🇸 794 102 4 Oct 2024 239th Shanethegamer 🇺🇸 794 128 3 Oct 2024 240th DialFrost 🇸🇬 793 85 1 Oct 2024 240th xsot 🇸🇬 793 85 7 Oct 2024 242nd Shanethegamer 🇺🇸 793 208 14 Apr 2025 242nd DialFrost 🇸🇬 793 208 18 Apr 2025 244th edsrzf 🇳🇿 792 117 15 days ago 245th edsrzf 🇳🇿 791 76 1 Oct 2024 246th DialFrost 🇸🇬 791 84 26 Oct 2024 247th sean-niemann 🇺🇸 791 92 8 days ago 248th jared-hughes 791 203 20 Dec 2024 249th saito-ta 🇯🇵 790 74 1 Oct 2024 250th Natanaelel 🇸🇪 788 48 1 Oct 2024 251st MeWhenI 🇻🇦 788 90 2 Oct 2024 252nd MeWhenI 🇻🇦 788 109 2 Oct 2024 253rd SB-945 787 82 1 Oct 2024 253rd HumanoidCPU 787 82 7 Mar 2025 253rd fkantelberg 787 82 11 Jul 2025 253rd BrunoVisnadi 🇧🇷 787 82 18 days ago 257th emgordon154 786 151 17 Jan 2025 258th Shanethegamer 🇺🇸 785 88 4 Oct 2024 259th KingSkyrock 🇺🇸 784 82 14 Oct 2024 260th stefangimmillaro 782 61 1 Oct 2024 261st edsrzf 🇳🇿 781 119 23 Jul 2025 262nd Shanethegamer 🇺🇸 781 152 3 Oct 2024 262nd targrik 781 152 7 Jul 2025 264th MeWhenI 🇻🇦 780 122 5 Oct 2024 265th Shanethegamer 🇺🇸 779 91 3 Oct 2024 266th namelessiw 779 119 2 hours ago 267th SirBogman 🇺🇸 778 50 8 Jul 2025 268th Bmrl7 778 83 3 Oct 2024 269th SirBogman 🇺🇸 778 138 11 Jul 2025 270th sean-niemann 🇺🇸 776 107 3 Oct 2024 271st m-tkach 🇺🇦 776 131 4 Oct 2024 272nd bizy-coder 775 74 1 Oct 2024 272nd m-tkach 🇺🇦 775 74 3 Oct 2024 274th uttumuttu 🇫🇮 775 83 1 Oct 2024 274th KatieLG 🇬🇧 775 83 1 Oct 2024 274th Larento 775 83 4 Nov 2024 274th Andrey-Plotnikov 775 83 13 Jan 2025 274th nathanadams 🇳🇿 775 83 3 days ago 279th adriweb 🇫🇷 775 102 5 Oct 2024 280th DialFrost 🇸🇬 773 76 30 Aug 2025 281st Shanethegamer 🇺🇸 773 120 15 days ago 282nd sean-niemann 🇺🇸 771 105 1 Oct 2024 283rd sisyphus-ppcg 🇦🇺 769 62 3 Oct 2024 284th retrohun 769 63 2 Oct 2024 285th DialFrost 🇸🇬 769 91 1 Oct 2024 286th Natanaelel 🇸🇪 769 143 20 Apr 2025 287th AlephSquirrel 768 84 1 Oct 2024 287th kops-cg 768 84 22 Feb 2025 287th xnor-gate 768 84 23 Feb 2025 287th plcc0 768 84 6 Apr 2025 287th KatieLG 🇬🇧 768 84 25 May 2025 292nd emgordon154 768 166 2 Oct 2024 293rd lifthrasiir 🇰🇷 767 37 27 Nov 2024 294th Waffle3z 767 103 2 Oct 2024 295th didion0 🇺🇸 766 84 10 Jan 2025 296th targrik 766 88 7 Feb 2025 297th DialFrost 🇸🇬 766 121 15 days ago 298th emplv 🇱🇻 763 76 29 Oct 2024 299th DialFrost 🇸🇬 763 131 11 Dec 2024 300th GolfingSuccess 🇬🇷 762 70 6 Jun 2025 First Prev 226–300 of 770 Next Last