Tremendous-1500

Tremendous-1500 is one of the biggest Universes. It's contained within MLTI-577, the biggest multiverse. The civilization that lives here are called the Tremendousians. The civilization has tried to expand the universe, but to no avail. The biggest thing IN this universe is the Leo-Taurus Hypercluster Supercomplex. There are only neutrons and quarks as subatomic particles.