Card Number Validation in Python 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 Topological Sort 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 1st bizy-coder 1,000 67 1 Oct 2024 1st pardouin 🇫🇷 1,000 67 1 Oct 2024 1st btnlq 1,000 67 1 Oct 2024 1st Seek64 🇩🇪 1,000 67 1 Oct 2024 1st m-tkach 🇺🇦 1,000 67 1 Oct 2024 1st Rubiksmath 1,000 67 7 Oct 2024 1st JayXon 🇺🇸 1,000 67 13 Oct 2024 1st khvdm 1,000 67 28 Feb 2025 9th hallvabo 🇳🇴 985 68 4 Jun 2025 10th kg583 🇺🇸 957 70 10 Oct 2024 10th sean-niemann 🇺🇸 957 70 8 Jan 2025 12th duckyluuk 🇳🇱 931 72 4 Oct 2024 12th ndren 931 72 14 Feb 2025 14th moustave 918 73 5 Nov 2024 14th emgordon154 918 73 18 Nov 2024 16th anter69 🇭🇺 893 75 11 Oct 2024 17th lifthrasiir 🇰🇷 882 76 16 Nov 2024 18th jatloe 870 77 1 Oct 2024 19th albanian-laundromat 827 81 26 days ago 20th SB-945 817 82 1 Oct 2024 20th HumanoidCPU 817 82 7 Mar 2025 20th fkantelberg 817 82 32 hours ago 23rd Bmrl7 807 83 3 Oct 2024 24th AlephSquirrel 798 84 1 Oct 2024 24th kops-cg 798 84 22 Feb 2025 24th xnor-gate 798 84 23 Feb 2025 24th plcc0 798 84 6 Apr 2025 24th KatieLG 🇬🇧 798 84 25 May 2025 29th inventshah 788 85 4 Oct 2024 29th Artemis21 🇬🇧 788 85 10 Jan 2025 29th keelimeguy 🇺🇸 788 85 14 Jun 2025 32nd wh3n3v3r 🇨🇿 761 88 18 Nov 2024 33rd nwellnhof 🇩🇪 744 90 1 Oct 2024 33rd ovs-code 🇩🇪 744 90 3 Oct 2024 35th 5cw 🇺🇸 736 91 1 Oct 2024 35th stefangimmillaro 736 91 13 Oct 2024 35th dokutan 736 91 19 Oct 2024 35th CornerMercury 🇬🇧 736 91 14 Feb 2025 35th GrayJoKing 🇦🇺 736 91 10 days ago 35th ryyyn 🇺🇸 736 91 5 days ago 41st Shanethegamer 🇺🇸 728 92 3 Oct 2024 41st error256 728 92 7 Oct 2024 41st thatbirdguythatuknownot 728 92 14 Oct 2024 44th Bulmenisaurus 720 93 6 Oct 2024 44th lynn 720 93 8 Jan 2025 46th DialFrost 🇸🇬 713 94 1 Oct 2024 47th snoozingnewt 🇺🇸 698 96 31 Mar 2025 47th KasperKivimaeki 🇫🇮 698 96 11 days ago 49th MeWhenI 🇻🇦 684 98 1 Oct 2024 49th GolfingSuccess 🇬🇷 684 98 5 Oct 2024 49th firegene 🇮🇪 684 98 21 Oct 2024 49th JunkIce 684 98 3 Dec 2024 53rd SirBogman 🇺🇸 677 99 8 Oct 2024 54th FlorianCassayre 🇫🇷 670 100 1 Oct 2024 54th bzijlema 🇳🇱 670 100 10 Oct 2024 54th bricknellj 670 100 4 Mar 2025 54th RaBa21 670 100 34 hours ago 58th btjones0 663 101 2 Dec 2024 59th annaproxy 657 102 1 Oct 2024 59th xyangst 657 102 1 Oct 2024 61st fourth-bit 638 105 1 Oct 2024 61st jared-hughes 638 105 3 Oct 2024 61st mattyhempstead 638 105 7 Oct 2024 64th davecame 632 106 1 Oct 2024 64th starfihs 632 106 2 Oct 2024 64th rschwa6308 🇺🇸 632 106 28 Oct 2024 64th snydej 632 106 21 Nov 2024 68th commandblockguy 🇺🇸 626 107 7 Oct 2024 68th zbreit 🇺🇸 626 107 29 Oct 2024 68th StardustGogeta 626 107 30 Oct 2024 68th ZakkkkAttackkkk 🇵🇭 626 107 8 Feb 2025 72nd neihousaigaai 620 108 4 Oct 2024 72nd StefanHabel 🇨🇦 620 108 23 Jan 2025 74th andrewjc2000 615 109 4 days ago 75th CaedenHarper 🇨🇦 609 110 9 Oct 2024 1–75 of 175 Next