This had to be one of the worse name i've seen for a game. Sounds like a medication you'd take before going to space. "Excuse me, miss? Would you happen to have a spare Gravulse? I seem to have forgotten mine at home." "Of course, here, have a gravulse and please enjoy your flight!"
the gravity thing does not work that great
NAHHHH PORTAL clone
https://media0.giphy.com/media/xUPGcgQFhiKXYQmiRi/giphy.gif
now I know what you gonna say :-)