Adobe Flash played a crucial role in the success of Plants vs. Zombies. The technology allowed the game developers to create a rich, interactive experience that could be accessed directly from web browsers.

The Plants vs. Zombies web version, built using Adobe Flash, was a pivotal moment in gaming history. The game's success demonstrated the potential of browser-based gaming and helped to popularize the tower defense genre. Although Flash is no longer the dominant technology it once was, its impact on the gaming industry and web development cannot be overstated.

However, as technology advanced and HTML5 became the standard for web development, Adobe Flash began to show its age. The technology's limitations, including security concerns and performance issues, eventually led to its decline.

Flash enabled the game to run smoothly across a wide range of platforms and devices, without the need for native installations. This allowed PopCap Games to reach a massive audience, with players able to access the game from anywhere, at any time.

The legacy of Plants vs. Zombies also extends to the gaming industry as a whole. The game's influence can be seen in countless tower defense titles, and its impact on browser-based gaming helped to shape the casual gaming landscape.

As for Adobe Flash, its legacy is more complex. Although the technology is no longer supported, it played a significant role in shaping the web and gaming industries. Flash's contributions to interactive content, animation, and game development cannot be overstated, and its influence can still be seen in modern web technologies.

Although the Flash web version of Plants vs. Zombies is no longer available, the game remains a beloved classic. The game's success paved the way for sequels, spin-offs, and merchandise, cementing its place as one of the most iconic games of the 2000s.