Realm 4

Beginner Towers:

 * 1)  ToBB - Tower of Basic Blocks
 * 2)  ToMS - Tower of Minimal Sadness
 * 3)  SoCT - Spire of Casual Traversing

Frustrating Towers:

 * 1)  ToE - Tower of Elevation
 * 2)  ToPC - Tower of Perplexing Challenges

Advanced Towers:

 * 1)  ToST - Tower of Sick Tricks
 * 2)  ToSE - Tower of Sharp Edges

Mentally Dangerous Towers:

 * 1)  ToSLR - Tower of Shift Lock Required
 * 2)  ToFaS - Tower of Falling and Sitting

Hidden Tower:

 * 1)  ToTIN - Tower of Truss Infested Nightmares

Citadel:

 * 1)  CoIT - Citadel of Inconsistent Tightropes