guide

Mutant Plants Base Defense base upgrades

Upgrading the base is part of the official survival loop, but costs, numerical effects, limits, and an optimal order are not currently documented.

The documented upgrade goal

The current official description directly tells players to upgrade the base and survive as long as they can.

Base upgrades sit alongside deploying stronger merged plants against continuing waves, establishing a real decision area without a numerical build.

Current sources does not provide upgrade costs, stat changes, limits, formulas, or test cases for a best-order details.

Sources & notes · updated Aug 20, 2026

Merge requirements, resulting values, base upgrade costs, numerical effects, and an optimal order are not established.