Rumors suggest that Fallout 76 will be a multiplayer game, but the trailer did not confirm this. He also officially confirmed that this is going to be developer's "biggest one yet".
Fallout 76 is a prequel that will take place in West Virginia and will be four times larger than all the other games in the series. This is an untamed Wastleand that players will explore. Bethesda did not disappoint so far.
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec.