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 Knight 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 Knight 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 301st sean-niemann 🇺🇸 758 96 25 May 2025 302nd Shanethegamer 🇺🇸 758 132 2 Oct 2024 303rd emgordon154 757 63 18 Nov 2024 303rd SirBogman 🇺🇸 757 63 21 days ago 305th weliveinhell 🇭🇹 755 85 1 Oct 2024 305th SteRoy 755 85 13 May 2025 307th zacjl 754 110 10 Oct 2024 308th AlephSquirrel 753 76 1 Oct 2024 309th sean-niemann 🇺🇸 753 93 24 Oct 2024 310th GrayJoKing 🇦🇺 749 90 1 Oct 2024 311th stackofbears 748 52 14 Mar 2025 312th 0xjac 🇨🇭 748 158 17 Jun 2025 313th CLOStrophobic 🇮🇹 748 160 27 Feb 2025 314th rak1507 🇬🇧 747 38 30 Dec 2024 315th DialFrost 🇸🇬 747 75 10 Oct 2024 316th Maznek 747 86 4 Oct 2024 317th MeWhenI 🇻🇦 746 89 24 Oct 2024 318th Shanethegamer 🇺🇸 745 64 3 Oct 2024 318th Andriamanitra 🇫🇮 745 64 5 Oct 2024 320th stefangimmillaro 745 94 30 Oct 2024 321st albanian-laundromat 744 77 6 days ago 322nd MeWhenI 🇻🇦 744 106 2 Oct 2024 323rd sean-niemann 🇺🇸 743 93 24 Oct 2024 324th DialFrost 🇸🇬 742 106 13 Dec 2024 325th SirBogman 🇺🇸 741 63 18 days ago 326th sean-niemann 🇺🇸 739 116 24 Oct 2024 327th KrausRaus 🇺🇸 738 87 1 Oct 2024 327th GeorgeStechman 🇬🇧 738 87 24 Oct 2024 327th coreynash 738 87 13 Feb 2025 327th kirjavascript 738 87 19 days ago 331st Shanethegamer 🇺🇸 738 90 28 Oct 2024 332nd MeWhenI 🇻🇦 735 34 2 Oct 2024 333rd HumanoidCPU 734 78 7 Mar 2025 334th MeWhenI 🇻🇦 734 162 2 Oct 2024 335th stefangimmillaro 733 92 2 Oct 2024 335th Shanethegamer 🇺🇸 733 92 3 Oct 2024 337th Shanethegamer 🇺🇸 733 116 1 Oct 2024 338th h3ra993huskp 🇯🇵 733 159 25 Nov 2024 339th MeWhenI 🇻🇦 733 179 2 Oct 2024 340th wh3n3v3r 🇨🇿 732 88 18 Nov 2024 341st Shanethegamer 🇺🇸 729 96 3 Oct 2024 342nd Shanethegamer 🇺🇸 729 121 3 Oct 2024 343rd stefangimmillaro 728 114 13 Oct 2024 344th Shanethegamer 🇺🇸 727 100 24 May 2025 345th anter69 🇭🇺 726 78 1 Oct 2024 346th MeWhenI 🇻🇦 725 111 2 Oct 2024 347th Shanethegamer 🇺🇸 724 101 2 Oct 2024 348th Shanethegamer 🇺🇸 724 126 2 Oct 2024 349th dtbao20 🇻🇳 722 89 1 Oct 2024 349th madeforlosers 722 89 17 Oct 2024 349th junkondo-jp 722 89 14 Dec 2024 352nd Shanethegamer 🇺🇸 721 156 2 Oct 2024 353rd weeble 720 74 1 Jul 2025 354th Shanethegamer 🇺🇸 719 112 3 Oct 2024 355th MeWhenI 🇻🇦 718 78 2 Oct 2024 356th ovs-code 🇩🇪 716 81 17 Apr 2025 357th nwellnhof 🇩🇪 716 90 1 Oct 2024 357th ovs-code 🇩🇪 716 90 3 Oct 2024 357th ryyyn 🇺🇸 716 90 15 days ago 360th dokutan 715 116 19 Oct 2024 361st annaproxy 715 132 1 Oct 2024 362nd alexsave 714 90 28 Oct 2024 363rd rzv-me 710 95 5 Oct 2024 364th 5cw 🇺🇸 708 91 1 Oct 2024 364th stefangimmillaro 708 91 13 Oct 2024 364th dokutan 708 91 19 Oct 2024 364th CornerMercury 🇬🇧 708 91 14 Feb 2025 364th GrayJoKing 🇦🇺 708 91 2 Jul 2025 369th snyderek 🇺🇸 708 121 1 Oct 2024 370th Natanaelel 🇸🇪 707 55 1 Mar 2025 371st GrayJoKing 🇦🇺 707 82 1 Oct 2024 372nd MeWhenI 🇻🇦 704 73 3 Oct 2024 373rd MeWhenI 🇻🇦 704 115 5 Oct 2024 374th DialFrost 🇸🇬 704 132 8 Apr 2025 375th Shanethegamer 🇺🇸 703 118 2 Oct 2024 Prev 301–375 of 731 Next