Warp Gate
Warp Gates are objects that create a type of enemy when none of that enemy is present in the level. It works like a Box Generator, but it creates enemies instead of boxes.
Warp Gates are only features in the Platinum Edition of Return To Wonderland.
Warp Gates can create:
Warp Gates can also be hex-edited to be able to make Shadow Stinkers.
For Z-Bots, Kaboom!s and UFOs, there are two types of Warp Gates, one for the enemies that turn left, and another for enemies who turn right.