Chubzdoomer | (Doom Builder) Building Stairs Tutorial @Chubzdoomer | Uploaded January 2023 | Updated October 2024, 9 hours ago.
Building stairs (i.e. stairs that automatically build up or down) can be pretty tricky to implement. This tutorial aims to clear up any confusion by breaking down the four different types of building stairs and showing how to properly construct each one.

00:00 Intro
01:28 The Four Types of Building Stairs
02:36 DOOM Stairs
10:01 BOOM (Generic) Stairs
13:05 Hexen Stairs
18:34 Hexen Sync Stairs
23:48 Conclusion

ZDoom Wiki Page:
zdoom.org/wiki/Building_stairs