Additional "Mass Effect 4" details have been revealed as more gameplay features was revealed in an online survey that includes information about the Khet outposts and the Mako via DSOgaming.

According to the website, entering Khet outposts will be a great way to gain experience as hordes of enemies will net gamers a good amount of experience points.

"As you explore planets throughout the Helius Cluster, you will encounter Khet Outposts. These outposts are optional combat experiences where you enter the outpost and fight off waves of enemies. Destroy Khet outposts to earn XP, rewards and thwart their growing power in the region. Your allies will reward you with praise and increased narrative options as you fight to remove the Khet presence from the region," the website revealed.

Also, "Mass Effect 4" will feature some racing action as the Mako will be the unit gamers will use to navigate planets. It can also be upgraded and customized in many ways according to the survey.

"Explore the surfaces of 100s of planets in the Helius Cluster in your versatile land vehicle, the Mako. Whether you are looking for a place to set up a colony, searching for a Remnant vault or attacking a Khet Outpost, you will enjoy getting there in your Mako. Equip and upgrade your Mako in dozens of ways, like adding turbo boosters, upgrading your shield generator or adding a Hostile Detector to your radar to create the ultimate planetary exploration vehicle. Finally, get your Mako looking the way you want with a custom paintjob," the source wrote.

With regards to the "Mass Effect 4" release date, Bioware might make an announcement during E3 2015 slated at June 16-18.