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 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 Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number 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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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 1st bizy-coder 1,000 67 19ms 1 Oct 2024 1st pardouin 🇫🇷 1,000 67 21ms 1 Oct 2024 1st btnlq 1,000 67 21ms 1 Oct 2024 1st Seek64 🇩🇪 1,000 67 21ms 1 Oct 2024 1st m-tkach 🇺🇦 1,000 67 21ms 1 Oct 2024 1st Rubiksmath 1,000 67 21ms 7 Oct 2024 1st JayXon 🇺🇸 1,000 67 21ms 13 Oct 2024 1st khvdm 1,000 67 19ms 28 Feb 2025 9th hallvabo 🇳🇴 985 68 19ms 4 Jun 2025 10th kg583 🇺🇸 957 70 16ms 10 Oct 2024 10th sean-niemann 🇺🇸 957 70 24ms 8 Jan 2025 12th duckyluuk 🇳🇱 931 72 16ms 4 Oct 2024 12th ndren 931 72 17ms 14 Feb 2025 14th moustave 918 73 20ms 5 Nov 2024 14th emgordon154 918 73 16ms 18 Nov 2024 16th albanian-laundromat 905 74 16ms 12 days ago 17th anter69 🇭🇺 893 75 17ms 11 Oct 2024 18th lifthrasiir 🇰🇷 882 76 10ms 16 Nov 2024 18th CornerMercury 🇬🇧 882 76 16ms 25 Sep 2025 20th jatloe 870 77 10ms 1 Oct 2024 21st qpwoeirut 859 78 10ms 1 Oct 2025 22nd Babafaba 827 81 16ms 3 days ago 23rd SB-945 817 82 16ms 1 Oct 2024 23rd HumanoidCPU 817 82 64ms 7 Mar 2025 23rd fkantelberg 817 82 10ms 11 Jul 2025 23rd BrunoVisnadi 🇧🇷 817 82 10ms 21 Sep 2025 27th Bmrl7 807 83 9ms 3 Oct 2024 28th AlephSquirrel 798 84 19ms 1 Oct 2024 28th kops-cg 798 84 20ms 22 Feb 2025 28th xnor-gate 798 84 19ms 23 Feb 2025 28th plcc0 798 84 16ms 6 Apr 2025 28th KatieLG 🇬🇧 798 84 16ms 25 May 2025 33rd inventshah 788 85 21ms 4 Oct 2024 33rd Artemis21 🇬🇧 788 85 10ms 10 Jan 2025 33rd keelimeguy 🇺🇸 788 85 16ms 14 Jun 2025 36th wh3n3v3r 🇨🇿 761 88 12ms 18 Nov 2024 36th snoozingnewt 🇺🇸 761 88 10ms 12 days ago 38th nwellnhof 🇩🇪 744 90 18ms 1 Oct 2024 38th ovs-code 🇩🇪 744 90 15ms 3 Oct 2024 38th ryyyn 🇺🇸 744 90 19ms 26 Jul 2025 38th luuumine 🇫🇷 744 90 17ms 8 Oct 2025 42nd 5cw 🇺🇸 736 91 16ms 1 Oct 2024 42nd stefangimmillaro 736 91 20ms 13 Oct 2024 42nd dokutan 736 91 10ms 19 Oct 2024 42nd GrayJoKing 🇦🇺 736 91 18ms 2 Jul 2025 46th Shanethegamer 🇺🇸 728 92 17ms 3 Oct 2024 46th error256 728 92 19ms 7 Oct 2024 46th thatbirdguythatuknownot 728 92 16ms 14 Oct 2024 49th Bulmenisaurus 720 93 16ms 6 Oct 2024 49th lynn 720 93 16ms 8 Jan 2025 49th RaBa21 🇭🇺 720 93 16ms 19 Jul 2025 52nd DialFrost 🇸🇬 713 94 17ms 1 Oct 2024 53rd KasperKivimaeki 🇫🇮 698 96 41ms 1 Jul 2025 53rd MeWhenI 🇻🇦 698 96 16ms 30 Jul 2025 55th GolfingSuccess 🇬🇷 684 98 16ms 5 Oct 2024 55th firegene 🇮🇪 684 98 16ms 21 Oct 2024 55th JunkIce 684 98 10ms 3 Dec 2024 58th SirBogman 🇺🇸 677 99 16ms 8 Oct 2024 59th FlorianCassayre 🇫🇷 670 100 16ms 1 Oct 2024 59th bzijlema 🇳🇱 670 100 17ms 10 Oct 2024 59th bricknellj 670 100 19ms 4 Mar 2025 62nd btjones0 663 101 17ms 2 Dec 2024 63rd annaproxy 657 102 17ms 1 Oct 2024 63rd xyangst 657 102 11ms 1 Oct 2024 65th mossiegoat 650 103 11ms 21 Aug 2025 66th fourth-bit 638 105 15ms 1 Oct 2024 66th jared-hughes 638 105 17ms 3 Oct 2024 66th mattyhempstead 638 105 27ms 7 Oct 2024 69th davecame 632 106 16ms 1 Oct 2024 69th starfihs 632 106 10ms 2 Oct 2024 69th rschwa6308 🇺🇸 632 106 15ms 28 Oct 2024 69th snydej 632 106 16ms 21 Nov 2024 69th andrewjc2000 632 106 16ms 17 Jul 2025 69th travisdoesmath 632 106 16ms 7 Sep 2025 75th commandblockguy 🇺🇸 626 107 17ms 7 Oct 2024 1–75 of 202 Next Last