A high-damage laser tank with heavy armour. Can be automated with AAI Programmable Vehicles mod.
Mods introducing new content into the game.
Transportation of the player, be it vehicles or teleporters.
New ways to deal with enemies, be it attack or defense.
dude, add a line of code in entity.lua: immune_to_tree_impacts = true,
because a collision with each tree causes annoying robots who try to fix it, but can not catch up