Serious Sam 3: BFE
Developed by Croteam
About the game — TGN editorial note
Released in 2011, Serious Sam 3: BFE is a first-person shooter from Croatia-based indie studio Croteam, published by Devolver Digital and running on Serious Engine 3.5. A prequel to Serious Sam: The First Encounter, it is set in 22nd-century Egypt as Mental invades Earth. It offers 16-player online play plus a four-player split-screen co-op campaign, and it later arrived on OS X and Linux.