At the beginning, Kat is asked to go find the gravity cat. When the cat demonstrates its powers, it lifts Kat and a couple of bystanders into the air, then flings them. Kat is flung towards a building and safely lands, while the other two get flung roughly upwards into the sky...And we never see them land in any direction or come back down. At least, in the demo.
Actually, whoever is close enough when you find said cat get's lifted. If no one is nearby, it'll just be Kat.
It still makes me wonder—if the cat flings them upwards, what happens to them? I'm sure this is Offscreen Inertia happening to me here, but for all we know, within a few hours, they'll have left Earth's atmosphere.
Why is D'Nelica evil? What's in it for him? He seemed to have some bigger plan in all this then amusement. Unless maybe he's Alias.
It seemed to be nothing more than a guy who wanted power. The ending seems to hint that he might know something more about the situation, but to find out what we'll have to hope there's a second game someday.
The second game explains exactly what was going on with D'Nelica if you read between the lines a bit. The Stinger shows that D'Nelica was the one who found Alua's message crystal, which she made to warn the people of Hekseville that the end of the world was coming and that Eto could evacuate them. D'Nelica's entire scheme of setting himself up as a dictator was all in aid of making sure some of Hekseville's people would survive the upcoming apocalypse, either by evacuation or building a strong enough superweapon to counter what was coming. This revelation puts him into Well-Intentioned Extremist territory.