Great prices for these games - all time lowest on the PlayStation Store
From the website: Serious Sam:
Step into the shoes of the legendary action hero Sam "Serious" Stone and experience one of the most explosive shooter game series of all time as you save the world from a merciless alien invasion. Visit the ruins of ancient Egypt and roam through the vivid arenas of South America fighting seemingly never-ending hordes of enemies using an extremely destructive arsenal including shotguns, heavy lasers, rocket launchers, a huge cannon, and an iconic minigun.
Tired of playing alone? Go to war against Mental's horde with up to 16 players online or 4 players in local co-op, blasting your way through the campaign or the stand-alone survival mode. Finally, put your skills to the test against other players in classic multiplayer modes including Deathmatch, Team Deathmatch, and more.
Serious Sam Collection includes all content from Serious Sam HD: The First Encounter, Serious Sam HD: The Second Encounter and Serious Sam 3: BFE, including The Legend of the Beast and Jewel of the Nile expansions.
From the website: Vampyr:
CURSED BE THE CHOICE…
London, 1918. You are newly-turned Vampyr Dr. Jonathan Reid. As a doctor, you must find a cure to save the city’s flu-ravaged citizens. As a Vampyr, you are cursed to feed on those you vowed to heal.
Will you embrace the monster within? Survive and fight against Vampyr hunters, undead skals, and other supernatural creatures. Use your unholy powers to manipulate and delve into the lives of those around you, to decide who will be your next victim. Struggle to live with your decisions… your actions will save or doom London.
• BE THE VAMPYR – Fight and manipulate with supernatural abilities
• FEED TO SURVIVE – Be the savior and the stalker
• SHAPE LONDON – A web of interconnected citizens reacts to your decisions