Originally posted by Horemvore:

Enemies can attack up and down, all depends what their attack is set at, Horz or Vert.... (Most are Horz)

Thanks for clearing that up. I saw a video where someone had an underground base and they said most enemies can't attack like that so it'd slow them down or something. Wasn't sure if that was updated, inaccurate, I misunderstood something, or whatever.