When you need to call down the thunder to deal with those pesky biters, launch a rocket with an ion cannon into orbit and show the bugs who's boss.
Mods introducing new content into the game.
New ways to deal with enemies, be it attack or defense.
I am getting the folling massage when trying to load a train tutorial
http://imgur.com/a/mpmSN
Fixed for the next version: https://github.com/Suprcheese/Orbital-Ion-Cannon/commit/e284064a22cadb9128007a2b17a423d04ada4cf8
Thanks for the report.