You can find the full setup files preserved on the Internet Archive, which is a great resource for "abandonware" enthusiasts looking for the original experience.
While the game is considered a "vintage" classic, you can still find ways to play today:
One of the best parts about Big Kahuna Reef 2 is that it runs on almost any machine. According to WildTangent Games and UpdateStar , the minimum specs are: Windows XP, Vista, or newer. Processor: 700MHz to 1.0GHz. RAM: 128MB to 256MB. Graphics: DirectX-compatible video card. big-kahuna-reef-2-pc-game-free-download-full-version
Big Kahuna Reef 2: Chain Reaction - Free Online Games - GameFools
Whether you’re a fan of relaxing puzzles or intense explosive chain reactions, Big Kahuna Reef 2 remains a top-tier choice for casual PC gaming. Dive in and start building your underwater paradise today! You can find the full setup files preserved
Sites like GameHouse and Softonic offer trial versions so you can test the "Chain Reaction" mechanics before committing.
This isn't just another puzzle game. It features over designed by creators from around the world. As you clear tiles, you’ll unlock exotic fish and even dive alongside Humpback Whales in a quest for the legendary Mask of the Tiki. Key features include: Processor: 700MHz to 1
Platforms like GameFools often list the full version for a few dollars, or include it in their on-demand subscription services. PC System Requirements