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 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 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 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 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 301st edsrzf 🇳🇿 755 123 3 Oct 2024 302nd AlephSquirrel 752 76 1 Oct 2024 303rd Shanethegamer 🇺🇸 752 118 2 Oct 2024 304th sean-niemann 🇺🇸 751 93 24 Oct 2024 305th GrayJoKing 🇦🇺 749 90 1 Oct 2024 306th 0xjac 🇨🇭 748 158 20 days ago 307th CLOStrophobic 🇮🇹 748 160 27 Feb 2025 308th rak1507 🇬🇧 747 38 30 Dec 2024 309th DialFrost 🇸🇬 747 75 10 Oct 2024 310th Maznek 746 86 4 Oct 2024 311th MeWhenI 🇻🇦 746 89 24 Oct 2024 312th edsrzf 🇳🇿 746 119 16 hours ago 313th stackofbears 745 52 14 Mar 2025 314th Shanethegamer 🇺🇸 745 64 3 Oct 2024 314th Andriamanitra 🇫🇮 745 64 5 Oct 2024 316th MeWhenI 🇻🇦 744 106 2 Oct 2024 317th sean-niemann 🇺🇸 743 93 24 Oct 2024 318th stefangimmillaro 743 94 30 Oct 2024 319th DialFrost 🇸🇬 742 106 13 Dec 2024 320th sean-niemann 🇺🇸 739 116 24 Oct 2024 321st Shanethegamer 🇺🇸 738 90 28 Oct 2024 322nd KrausRaus 🇺🇸 737 87 1 Oct 2024 322nd GeorgeStechman 🇬🇧 737 87 24 Oct 2024 322nd coreynash 737 87 13 Feb 2025 325th MeWhenI 🇻🇦 735 34 2 Oct 2024 326th edsrzf 🇳🇿 735 120 26 Apr 2025 327th MeWhenI 🇻🇦 734 162 2 Oct 2024 328th stefangimmillaro 733 92 2 Oct 2024 328th Shanethegamer 🇺🇸 733 92 3 Oct 2024 330th Shanethegamer 🇺🇸 733 116 1 Oct 2024 331st MeWhenI 🇻🇦 733 179 2 Oct 2024 332nd HumanoidCPU 732 78 7 Mar 2025 333rd wh3n3v3r 🇨🇿 732 88 18 Nov 2024 334th h3ra993huskp 🇯🇵 730 159 25 Nov 2024 335th SirBogman 🇺🇸 729 64 2 days ago 336th kirjavascript 729 88 15 Mar 2025 337th Shanethegamer 🇺🇸 729 121 3 Oct 2024 338th Shanethegamer 🇺🇸 727 100 24 May 2025 339th anter69 🇭🇺 726 78 1 Oct 2024 340th Shanethegamer 🇺🇸 726 96 3 Oct 2024 341st Shanethegamer 🇺🇸 724 126 2 Oct 2024 342nd SirBogman 🇺🇸 722 66 9 Oct 2024 343rd dtbao20 🇻🇳 721 89 1 Oct 2024 343rd madeforlosers 721 89 17 Oct 2024 343rd junkondo-jp 721 89 14 Dec 2024 346th MeWhenI 🇻🇦 721 111 2 Oct 2024 347th Shanethegamer 🇺🇸 721 156 2 Oct 2024 348th weeble 720 74 7 days ago 349th MeWhenI 🇻🇦 718 78 2 Oct 2024 350th ovs-code 🇩🇪 716 81 17 Apr 2025 351st nwellnhof 🇩🇪 715 90 1 Oct 2024 351st ovs-code 🇩🇪 715 90 3 Oct 2024 353rd annaproxy 715 132 1 Oct 2024 354th Shanethegamer 🇺🇸 714 112 3 Oct 2024 355th alexsave 713 90 28 Oct 2024 356th rzv-me 710 95 5 Oct 2024 357th 5cw 🇺🇸 708 91 1 Oct 2024 357th stefangimmillaro 708 91 13 Oct 2024 357th dokutan 708 91 19 Oct 2024 357th CornerMercury 🇬🇧 708 91 14 Feb 2025 357th GrayJoKing 🇦🇺 708 91 5 days ago 357th ryyyn 🇺🇸 708 91 3 hours ago 363rd snyderek 🇺🇸 708 121 1 Oct 2024 364th GrayJoKing 🇦🇺 707 82 1 Oct 2024 365th Natanaelel 🇸🇪 705 55 1 Mar 2025 366th MeWhenI 🇻🇦 704 73 3 Oct 2024 367th MeWhenI 🇻🇦 704 115 5 Oct 2024 368th DialFrost 🇸🇬 704 132 8 Apr 2025 369th emgordon154 702 76 7 Jun 2025 370th janlelis 701 68 1 Oct 2024 370th tatzyr 🇯🇵 701 68 23 Dec 2024 372nd cbrt-x 701 157 1 Oct 2024 373rd Shanethegamer 🇺🇸 700 92 3 Oct 2024 373rd error256 700 92 7 Oct 2024 373rd thatbirdguythatuknownot 700 92 14 Oct 2024 Prev 301–375 of 701 Next