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 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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 450th jacklynnepenick 722 79 18ms 22 Jun 2022 450th james-downey 722 79 25ms 9 Jul 2022 450th andre-lameirinhas 🇵🇹 722 79 22ms 26 Jul 2022 450th hamsterskywalker 722 79 18ms 7 Sep 2022 450th Pena86 722 79 25ms 14 Sep 2022 450th hymanimy 722 79 24ms 24 Nov 2022 450th Demonarchet 722 79 19ms 18 Apr 2023 450th dtaylor0 722 79 20ms 23 May 2023 450th neonchickens 722 79 25ms 6 Oct 2023 450th MWI-polygolf 722 79 22ms 6 Dec 2023 450th eddvrs 722 79 21ms 22 Dec 2023 450th tknight00 722 79 26ms 7 Mar 2024 450th thienudomsrirungruang 722 79 48ms 3 May 2024 450th IsaacAlexBarden 722 79 22ms 6 Feb 2025 450th taesungh 722 79 22ms 7 Jun 2025 450th benvreeves 722 79 19ms 25 Jul 2025 450th saturzay 722 79 24ms 19 Aug 2025 468th j-Ewan 713 80 19ms 13 May 2022 468th osmith93 713 80 38ms 14 Jun 2022 468th hjcafaroUC 713 80 23ms 21 Jun 2022 468th dankleeman 713 80 23ms 8 Aug 2022 468th dillon-duncando 713 80 22ms 4 Oct 2022 468th DrPiranoid 713 80 23ms 11 Nov 2022 468th mdnestor 713 80 23ms 23 Dec 2022 468th Edjyzod 713 80 17ms 7 Mar 2023 468th henry-von-wichert 713 80 25ms 31 Mar 2023 468th Hortaros 713 80 21ms 16 Apr 2023 468th ankeetparikh 713 80 18ms 5 May 2023 468th Neonader 713 80 24ms 9 May 2023 468th nickgza 713 80 16ms 17 Aug 2023 468th MiranDaniel 🇨🇿 713 80 26ms 30 Aug 2023 468th Fanrco 713 80 18ms 31 Aug 2023 468th nyoshe 713 80 21ms 10 Oct 2023 468th AzroyAr 713 80 26ms 28 Dec 2023 468th Alex-Huggett 🇬🇧 713 80 58ms 13 Apr 2024 468th RobertHoeh 713 80 25ms 27 May 2024 468th LorenzoDeGaspari 713 80 25ms 27 May 2024 468th AstroOrbis 713 80 25ms 7 May 2025 468th vgamula 🇺🇦 713 80 22ms 16 Jul 2025 468th imoxyg 713 80 26ms 29 Aug 2025 468th Tristanchaang 713 80 20ms 6 days ago 492nd abba23 704 81 31ms 26 May 2022 492nd docd 704 81 19ms 8 Aug 2022 492nd Smetalo 704 81 28ms 25 Aug 2022 492nd glesnick 704 81 22ms 6 Sep 2022 492nd Yareeeema 704 81 23ms 3 Nov 2022 492nd RandGuy 704 81 25ms 23 Nov 2022 492nd GWStuart 704 81 26ms 19 Dec 2022 492nd wa1ker38552 704 81 19ms 22 May 2023 492nd LimaoC 704 81 23ms 11 Aug 2023 492nd robertovers 704 81 23ms 2 Oct 2023 492nd HanaEndUser 704 81 19ms 15 Feb 2024 492nd Loag 704 81 19ms 22 Sep 2024 492nd julian-hoelz 704 81 18ms 23 Sep 2024 492nd JesseNoEyes 🇺🇸 704 81 18ms 4 Oct 2024 492nd GoldStar184 704 81 23ms 27 Nov 2024 492nd ihatethefrench 704 81 22ms 5 Jan 2025 492nd csharpython 704 81 26ms 2 Aug 2025 509th Ailko 🇧🇪 695 82 27ms 12 May 2022 509th joshmoody24 695 82 27ms 12 May 2022 509th andrewgopher 695 82 18ms 25 Jun 2022 509th estomagordo 🇳🇱 695 82 23ms 26 Oct 2022 509th ThatAlo 695 82 29ms 14 Nov 2022 509th twocatsinatrenchcoat 695 82 17ms 29 Nov 2022 509th aid-f 695 82 24ms 21 Mar 2023 509th nooby31415 695 82 22ms 3 Nov 2023 509th henrydukepickle 695 82 18ms 8 Dec 2023 509th amollberg 🇸🇪 695 82 27ms 3 Jan 2024 509th mrmena 🇦🇺 695 82 26ms 19 Mar 2024 509th rifatx 695 82 22ms 16 Jul 2024 509th NicoH76 695 82 17ms 24 Apr 2025 509th 0dyse 695 82 25ms 29 Apr 2025 509th some-function 695 82 17ms 2 Jul 2025 509th jacekwladzinski 695 82 24ms 7 days ago 525th bonevbs 687 83 19ms 8 May 2022 First Prev 451–525 of 803 Next Last