How do the raider attacks scale?

[Brids17]

So after taking a long break from the game, I recently came back after two or three updates to see how they game has progressed. Finding more content than before, I've started playing again but I've run into a wall. A wall of raiders that is. I can only get so far and then the game throws a huge pile of raiders at me and I get wasted. I tend to favour a slow play style and perhaps this is the reason for my failures, as I do tend to spend more time on making my base look good and less time figuring out if I can actually defend it properly.

If it's time based, then I guess I need to just speed things up and get some kind of defences up quickly but I've played similar games where it depended on the number of people you had, which kind of let me go at my own pace. Anyway, any information is greatly appreciated. If you guys have any tips on defences or have a link to an existing thread about it, that would be helpful as well. =)

[daft73]

There is a formula..Tynan talks about pace..