No Creepers, Skeletons, Spiders, etc...

Put the summary of the bug you're having here

What I expected to happen was...:
I started a Survival mode game and expected there to be monsters.

What actually happened was...:
There were no monsters... Ever...

Steps to Reproduce:
1. This issue reproduces every game.
2. Doesn't matter if I uninstall and reinstall the app.
3. Same results, every time..