Collatz 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly 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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 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 Continued Fractions 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 120th jtaxen 814 70 22ms 1 Apr 2024 120th abc7-12 814 70 18ms 6 May 2024 120th ahmetdemirag 🇨🇾 814 70 19ms 9 Jun 2024 120th FranklinJiaChen 814 70 19ms 4 Jul 2024 120th 5cw 🇺🇸 814 70 18ms 13 Jul 2024 120th lgrandco 814 70 18ms 9 Oct 2024 120th snydej 814 70 19ms 21 Nov 2024 120th erikji 814 70 19ms 4 Feb 2025 120th CutSandstone 814 70 20ms 4 Feb 2025 120th xsot 🇸🇬 814 70 20ms 3 May 2025 120th smilesformiles3 814 70 22ms 14 Jun 2025 120th KasperKivimaeki 🇫🇮 814 70 19ms 30 Jun 2025 120th adaGrad1 814 70 20ms 10 Aug 2025 120th EthanJantz 814 70 18ms 10 Aug 2025 120th qpwoeirut 814 70 16ms 10 Aug 2025 120th intgrah 814 70 22ms 23 Sep 2025 120th ryyyn 🇺🇸 814 70 20ms 23 days ago 168th StefanHabel 🇨🇦 803 71 18ms 29 Nov 2022 168th nstearns96 🇬🇧 803 71 19ms 11 Jan 2023 168th lelbal 803 71 18ms 26 Aug 2025 168th HETHAT 🇩🇿 803 71 24ms 23 Sep 2025 168th 09cf 803 71 17ms 4 days ago 173rd scpchicken 🇵🇼 792 72 20ms 4 May 2022 173rd sultan 792 72 16ms 6 Jun 2022 173rd BlankSpruce 792 72 27ms 9 Sep 2022 173rd ValentinCassayre 792 72 20ms 8 Oct 2022 173rd mathb0y512 792 72 21ms 1 Dec 2022 173rd NoahBolohan 🇨🇦 792 72 23ms 28 Feb 2023 173rd Kacarott 🇦🇺 792 72 15ms 24 Mar 2023 173rd Fracture17 792 72 20ms 8 Apr 2023 173rd ayushdewan 792 72 24ms 7 May 2023 173rd cingulataluke 792 72 18ms 27 Aug 2023 173rd PeterTillema 🇳🇱 792 72 24ms 17 Oct 2023 173rd Glinte 792 72 23ms 11 Dec 2023 173rd nanatsu8 792 72 25ms 11 May 2024 173rd thej10n 792 72 20ms 12 Jun 2024 173rd tobeannouncd 792 72 16ms 25 Apr 2025 173rd YAJUE114514 792 72 17ms 15 Aug 2025 173rd blaztoma 🇱🇹 792 72 23ms 26 Sep 2025 190th AdamHe17 781 73 22ms 31 May 2022 190th AliceFord 781 73 21ms 2 Jun 2022 190th Natanaelel 🇸🇪 781 73 16ms 16 Jun 2022 190th marcin7Cd 781 73 19ms 27 Jun 2022 190th vhoulbreque 🇫🇷 781 73 21ms 18 Aug 2022 190th tkr-sh 🇰🇵 781 73 21ms 8 Sep 2022 190th jroscoe5 781 73 21ms 15 Sep 2022 190th OhmNomNom 781 73 24ms 7 Oct 2022 190th 0-4849 781 73 23ms 1 Nov 2022 190th M0PKOBKA 781 73 23ms 19 Dec 2022 190th calumacutt 781 73 26ms 19 Dec 2022 190th thehylian 781 73 27ms 2 Jan 2023 190th fynnkroeger 781 73 32ms 6 Jan 2023 190th hunt-g 781 73 22ms 4 Feb 2023 190th jmerle 🇳🇱 781 73 20ms 16 Feb 2023 190th TaserTheFox 🇺🇸 781 73 26ms 14 Mar 2023 190th pinguicula 781 73 20ms 6 Apr 2023 190th TheoKeller1 781 73 27ms 11 Jun 2023 190th Mikey-Beep 🇬🇧 781 73 20ms 31 Aug 2023 190th eiburns 781 73 23ms 9 Oct 2023 190th htareque 781 73 20ms 13 Oct 2023 190th wearsunscreen 781 73 21ms 18 Oct 2023 190th bzijlema 🇳🇱 781 73 20ms 25 Oct 2023 190th Grrisly 781 73 19ms 10 Nov 2023 190th m42km 781 73 20ms 11 Nov 2023 190th GeneralPoxter 781 73 19ms 7 Dec 2023 190th logvp 781 73 23ms 12 Jan 2024 190th JoaoFelipe3 781 73 21ms 13 Jan 2024 190th ehulinsky 🇺🇸 781 73 19ms 16 Feb 2024 190th Lewenhaupt 781 73 20ms 23 Feb 2024 190th stertooy 🇧🇪 781 73 19ms 9 Jun 2024 190th jipsong 🇩🇪 781 73 19ms 23 Jul 2024 190th mattyhempstead 781 73 20ms 6 Oct 2024 190th wh3n3v3r 🇨🇿 781 73 21ms 18 Nov 2024 190th klixel 🇨🇦 781 73 23ms 18 Nov 2024 190th tjwrenn 781 73 23ms 10 Dec 2024 First Prev 151–225 of 804 Next Last