Mortar turret can equip diverse strategy ammos to enhance defense usage, such as robot capsule and artillery-like shells.
Mods introducing new content into the game.
New ways to deal with enemies, be it attack or defense.
How hard would it be to give the robot shells a modified version of the Strafer's AI to target and avoid enemies? I think it would make the robots more interesting overall.
Avoid enemy is hard to implement, but perhaps just chase enemy is not that hard. I may look into it once I have time