Parallel

The Universe is in Danger, you were hired by nasa to save us all. Once every 522 Million years, 4 of the  multiple universes that exist stay connected to each other. It takes a piece of matter to go through all 4 so that they can continue their cycle of infinite expansion,otherwise another big bang will happen in each of them. Your mission is simple, you need to find all the portals and visit the other universes while they stay connected, to save us all.