Different
types of enemy drones and an upgrade tree all attempt to spice up the drone based combat, giving you access to a fast firing cannon and rocket system that powers up as you dodge attacks but also loses power for every hit you take, meaning that you rather strangely get access to a powerful attack system that can turn the tide of a battle when you least need it.
Not exact matches
From my point
of view, one
of the biggest changes is that the game now contains a lot
of new
types of enemies: from elite soldier, flying
drones and various mutants to unique bosses.
The alien
enemy types are some
of the most interesting, with flying
drones attacking from the sky and transport ships that drop insects down onto the battlefield.