Plants vs Brainrots Online is a 3D tower defense strategy game that combines fast-paced garden defense and intelligent income management. Players are thrust into a meme-filled battlefield where bizarre Brainrot adversaries are constantly marching towards their base. Your primary goal is to develop and strategically put plants to stop these waves while also creating a profitable system that promotes long-term progress.

At first, your garden has very little land and weak protection. You must purchase basic seeds and plant them in available lanes. When fully developed, plants immediately fight incoming Brainrots. As waves get more difficult to navigate, careful placement and stronger plants become critical for survival.
Defeated Brainrots are added to your inventory. You can either sell them immediately for cash or keep them on your base to earn passive income. Because base slots are limited, selecting high-value Brainrots and selling lesser ones is a critical component of effective growth.
Money obtained through fighting and passive income can be used to unlock more powerful seeds, garden lanes, and foundation plots. Stronger enemies appear over time, rewarding those who spend properly. The rebirth system restarts your run but adds permanent multipliers, enabling speedier building and bigger revenues in future sessions.
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