Collatz in Ruby in chars. 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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 1st Lydxn 🇨🇦 1,000 49 4 May 2022 1st JayXon 🇺🇸 1,000 49 17 Oct 2022 1st GrayJoKing 🇦🇺 1,000 49 15 Nov 2022 4th canissimia 🇦🇶 980 50 5 May 2022 4th ovs-code 🇩🇪 980 50 7 May 2022 4th sisyphus-ppcg 🇦🇺 980 50 20 Feb 2023 4th Steffan153 🇫🇮 980 50 20 Jul 2024 4th sean-niemann 🇺🇸 980 50 9 Jun 2025 4th pardouin 🇫🇷 980 50 2 days ago 10th nwellnhof 🇩🇪 961 51 4 May 2022 10th primo-ppcg 🇹🇭 961 51 6 May 2022 10th radarek 🇵🇱 961 51 8 May 2022 10th janlelis 961 51 10 May 2022 10th Natanaelel 🇸🇪 961 51 2 Jun 2022 15th shinh 942 52 29 Jun 2022 15th MeWhenI 🇻🇦 942 52 25 Jul 2023 17th stefangimmillaro 925 53 2 Oct 2022 17th Haksell 🇦🇶 925 53 22 Feb 2023 19th Andriamanitra 🇫🇮 907 54 21 Jul 2022 19th jared-hughes 907 54 12 Sep 2022 19th OhmNomNom 907 54 7 Oct 2022 19th olleicua 🇺🇸 907 54 21 Jan 2024 19th LostSyntax21 🇬🇧 907 54 12 Mar 2025 19th AbrahamJLR 🇻🇪 907 54 4 Jun 2025 19th vishal-mohanty 907 54 8 hours ago 26th SirBogman 🇺🇸 891 55 5 May 2022 26th xiBread 🇺🇸 891 55 6 May 2022 26th 4hg 🇺🇸 891 55 24 Aug 2022 26th DialFrost 🇸🇬 891 55 1 Jan 2023 26th error256 891 55 4 May 2024 31st ChiefChippy2 875 56 4 May 2022 31st aksyristos 875 56 29 Jan 2023 31st anter69 🇭🇺 875 56 12 Feb 2024 31st 3dm4n 🇫🇮 875 56 11 Mar 2024 31st lgrandco 875 56 9 Oct 2024 31st tatzyr 🇯🇵 875 56 10 Dec 2024 37th Irratix 🇳🇱 860 57 29 Jun 2022 38th tkr-sh 🇫🇷 845 58 8 Sep 2022 38th annaproxy 845 58 15 Sep 2023 38th Shanethegamer 🇺🇸 845 58 25 Dec 2023 38th emgordon154 845 58 26 Jul 2024 42nd rniii 831 59 26 Mar 2024 42nd dokutan 831 59 19 Oct 2024 42nd ejini6969 831 59 13 Jun 2025 45th DaCuteRaccoon 817 60 5 May 2022 45th razetime 817 60 22 Aug 2022 45th janbehrens 🇩🇪 817 60 17 May 2023 48th fynnkroeger 803 61 6 Jan 2023 48th aaronze 🇦🇺 803 61 17 Sep 2023 50th purp 790 62 13 Aug 2022 51st RuyiLi 778 63 21 Feb 2024 52nd Waffle3z 766 64 6 May 2022 53rd KatieLG 🇬🇧 754 65 26 Dec 2023 54th Feniske 🇫🇷 742 66 8 Oct 2022 55th snoozingnewt 🇺🇸 721 68 11 Sep 2023 55th adoxography 721 68 2 Mar 2024 57th vrnprkh 700 70 30 Mar 2023 57th truisseaux 700 70 12 Apr 2024 59th pfysches-boop 690 71 6 Aug 2023 59th madeforlosers 690 71 7 Nov 2024 61st beergit 681 72 7 Aug 2024 62nd Ohh-n 671 73 16 days ago 63rd jamespeilunli 653 75 4 Jul 2022 64th hollma 605 81 20 Oct 2023 65th catflip 590 83 30 Nov 2023 66th msbranicky 576 85 10 Oct 2023 67th Betuaredead 527 93 5 Jan 2023 68th yobatm 500 98 3 days ago 69th sreedevk 🇺🇸 485 101 4 Dec 2022 70th HumanoidCPU 30 1,637 26 Dec 2024 71st JRaspass 🇬🇧 15 3,231 4 May 2022 71st KatieLG-Transpiler 🇬🇧 15 3,231 24 Jun 2022 71st retrohun 15 3,231 27 Dec 2022 71st Mabeloid 🇳🇴 15 3,231 17 Sep 2024 71st CaedenHarper 🇨🇦 15 3,231 8 days ago 1–75 of 75