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 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 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 Mandelbrot 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 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 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 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 Mandelbrot 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 225th xsot 🇸🇬 793 85 7 Oct 2024 227th ovs-code 🇩🇪 793 119 1 Oct 2024 228th stefangimmillaro 793 134 3 Oct 2024 229th AlephSquirrel 793 146 22 days ago 230th Shanethegamer 🇺🇸 793 208 14 Apr 2025 230th DialFrost 🇸🇬 793 208 18 Apr 2025 232nd edsrzf 🇳🇿 791 76 1 Oct 2024 233rd tayloia 🇬🇧 791 81 3 Oct 2024 233rd targrik 791 81 8 Feb 2025 235th DialFrost 🇸🇬 791 84 26 Oct 2024 236th Shanethegamer 🇺🇸 791 128 3 Oct 2024 237th jared-hughes 791 203 20 Dec 2024 238th saito-ta 🇯🇵 790 74 1 Oct 2024 239th emgordon154 790 166 2 Oct 2024 240th DialFrost 🇸🇬 789 131 11 Dec 2024 241st MeWhenI 🇻🇦 787 90 2 Oct 2024 242nd SB-945 785 82 1 Oct 2024 242nd HumanoidCPU 785 82 7 Mar 2025 244th Shanethegamer 🇺🇸 785 88 4 Oct 2024 245th Natanaelel 🇸🇪 784 48 1 Oct 2024 246th MeWhenI 🇻🇦 784 183 2 Oct 2024 247th Shanethegamer 🇺🇸 783 132 2 Oct 2024 248th Shanethegamer 🇺🇸 783 148 3 Oct 2024 249th edsrzf 🇳🇿 783 150 2 Oct 2024 250th MeWhenI 🇻🇦 782 109 2 Oct 2024 251st stefangimmillaro 781 61 1 Oct 2024 252nd KingSkyrock 🇺🇸 781 82 14 Oct 2024 253rd Shanethegamer 🇺🇸 778 91 3 Oct 2024 254th DialFrost 🇸🇬 778 149 21 Nov 2024 255th emgordon154 778 151 17 Jan 2025 256th Bmrl7 775 83 3 Oct 2024 257th stefangimmillaro 775 114 13 Oct 2024 258th adriweb 🇫🇷 773 102 5 Oct 2024 259th m-tkach 🇺🇦 773 131 4 Oct 2024 260th Shanethegamer 🇺🇸 773 152 3 Oct 2024 261st bizy-coder 772 74 1 Oct 2024 261st m-tkach 🇺🇦 772 74 3 Oct 2024 263rd uttumuttu 🇫🇮 772 83 1 Oct 2024 263rd KatieLG 🇬🇧 772 83 1 Oct 2024 263rd Larento 772 83 4 Nov 2024 263rd Andrey-Plotnikov 772 83 13 Jan 2025 267th sean-niemann 🇺🇸 771 105 1 Oct 2024 268th retrohun 769 63 2 Oct 2024 269th MeWhenI 🇻🇦 769 122 5 Oct 2024 270th Natanaelel 🇸🇪 769 143 20 Apr 2025 271st sisyphus-ppcg 🇦🇺 768 62 3 Oct 2024 272nd lifthrasiir 🇰🇷 767 37 27 Nov 2024 273rd edsrzf 🇳🇿 767 151 2 Oct 2024 274th AlephSquirrel 766 84 1 Oct 2024 274th kops-cg 766 84 22 Feb 2025 274th xnor-gate 766 84 23 Feb 2025 274th albanian-laundromat 766 84 29 Mar 2025 274th plcc0 766 84 6 Apr 2025 274th KatieLG 🇬🇧 766 84 11 days ago 280th targrik 766 88 7 Feb 2025 281st DialFrost 🇸🇬 766 91 1 Oct 2024 282nd Shanethegamer 🇺🇸 766 124 4 Oct 2024 283rd Waffle3z 765 103 2 Oct 2024 284th didion0 🇺🇸 762 84 10 Jan 2025 285th emplv 🇱🇻 761 76 29 Oct 2024 286th GrayJoKing 🇦🇺 761 79 1 Oct 2024 287th ovs-code 🇩🇪 760 122 25 Apr 2025 288th MeWhenI 🇻🇦 758 89 2 Oct 2024 289th sean-niemann 🇺🇸 758 96 12 days ago 290th inventshah 757 85 4 Oct 2024 290th Artemis21 🇬🇧 757 85 10 Jan 2025 292nd emgordon154 756 63 18 Nov 2024 293rd Shanethegamer 🇺🇸 755 101 2 Oct 2024 294th edsrzf 🇳🇿 754 123 3 Oct 2024 295th weliveinhell 🇭🇹 753 85 1 Oct 2024 295th SteRoy 753 85 23 days ago 297th AlephSquirrel 752 76 1 Oct 2024 298th sean-niemann 🇺🇸 751 93 24 Oct 2024 299th GrayJoKing 🇦🇺 749 90 1 Oct 2024 300th Shanethegamer 🇺🇸 749 118 2 Oct 2024 Prev 226–300 of 668 Next