A modification for Plants vs. Zombies that introduces elements from different game versions or fan-made content, combining them into a singular experience. This often involves integrating plants, zombies, levels, or features that are not found in the original game or are taken from various iterations of the title. As an example, a single modification might include plants from Plants vs. Zombies 2, alongside zombies with unique abilities created by fans.
The creation and distribution of these alterations provide players with enhanced replayability and novelty. Such efforts extend the lifespan of the original game and cater to a community that actively seeks fresh challenges and content beyond the initial release. The history of these types of alterations is rooted in community creativity, with individuals and groups dedicating time to develop and share their unique visions for the game.