植物们联合起来，合并成更高等级的植物射手，抵抗僵尸入侵。

植物塔防大作战-策略防御游戏 is a free iPhone game that brings together plants in a battle against invading zombies. The objective of the game is to strategically place and merge plants to create more powerful plant shooters to fend off the zombie invasion. With each level, the difficulty increases, challenging players to come up with effective strategies to protect their territory.

The game offers a variety of plants with unique abilities that can be upgraded as they merge. Players can strategically position these plants along the path of the zombies to maximize their effectiveness. The gameplay is intuitive and easy to understand, making it accessible to players of all ages.

Overall, 植物塔防大作战-策略防御游戏 is an entertaining and addictive strategy defense game that will keep players engaged as they strive to protect their land from the relentless zombie horde.