Originally posted by Lecherous Lychee:

You can add a wide deep moat around your build.

This is the only maintenance free way to defend against this.

It's really kind of unfortunate for a game with such a fun building aspect to have mechanics and AI that make any sort of common sense defensive building more a liability than an asset.

Between the drunken sailor pathing, mobs knocking walls down faster than I can kill them with the best bow in the game, and not being able to shot downwards means I've resorted to 1.5 unit high 3 unit thick curtain [s]walls[/s] platforms that can hold things back long enough to kill the big AOE building killer mobs and for food to take effect so I can go run them away from my building and pick them off with bows.

Bunkers and earthworks. The mobs just hit structures like modern artillery and bombing.

Should probably change the name of the title. They are extremely authoritarian about having a positive tone around here. Toe the party line or the pigs that are more equal than others will put you in your place.