Orcish Colony Spam
By - Sass-e-nach
The orcs use the Siberian frontier mechanic that Russia had from the base game.
I believe the button is at the top right of the colony tab
A very nerfed version of siberian frontier that takes a decade to complete, to be specific.
Does it also cost more dip?
Looks like it.
Aaah, right. I see what you mean now. In truth I never even realised that mechanic existed since playing in Russia has never appealed to me. I probably should have been using it about 30 years ago in my game, but it's not a major biggie.
It should be noted you can use a combination of Siberian frontier and colony chaining to get the monstrous conquest CB on small nations early on to blob quickly before any of them really get established and Great Dookan has a "free instant manpower" religious power boost you can use to sustain constant conquests.
Basically: take as much territory as AE allows, use Siberian frontiers strategically early on to get CBs, vassalize orcs or goblins, eat civilized races and don't worry about falling behind in diplomatic tech too much(besides keeping up just enough to avoid corruption), its going to be a long time before you need to worry about trade or a navy.