Mental’s hordes are ravaging the world and the only hope is the Earth Defense Force led by Sam “Serious” Stone.

• Enjoy high powered weapons like the double-barreled shotgun, minigun, chainsaw launcher and so much more. All the weapons can be upgraded to be more powerful.
• Kill off the iconic cast of alien invaders like the Headless Kamikaze, Beheaded Rocketeer, Kleer, Scapjack and more. There are new aliens to fight off as well like the Zealot and more.
• Get to play with friends with the 4-player online co-op mode!

Reviews

If you like blasting hordes of aliens in the face while listening to witty one-liners, this is an absolute must-have.

GameSpew  

Serious Sam 4 learns from what didn’t work in Serious Sam 3 and should be on the radar of not just series fans but for anyone who enjoys a good, well-made FPS.

Screen Rant