Ultimate Doom Builder Tutorial: Part 4: Using Verticality

In this series, I create a new Doom 2 map from scratch, in order to teach how to use Ultimate Doom Builder. This video expands our starting area by using verticality

0:00 Intro Clip
0:09 Introduction
0:35 Verticality Is Needed
1:11 Adding A Ledge
2:33 Working On The "Alley"
7:16 A Canopy For The Ledge
8:00 Creating Some Support Pillars
8:27 Deleting Sectors
8:41 Finishing The Support Pillars
9:05 Tweaking Sky Heights
9:53 Making a Crate to Fill Empty Space
10:42 How To Rotate Sectors/Linedefs