command and conquer
A series of real time strategy first created by Westwood Studios (later games are created by EA, after they acquired Westwood and dissolved it in 2003). Along with Dune C&C codified the RTS genre. The games are well know for large tanks, live action cutsences, solid story (until later games), and great music.
Contains 3 sub series:
Tiberium series (C&C, C&C2 Tiberian Sun, C&C3 Tiberium Wars, C&C4 Tiberium Twilight): Green alien space rock landed on Earth and start mutating the landscape, 2 factions (GDI & Nod) fight over these green alien rocks.
Red Alert series (RA, RA2, RA3): Albert Einstein time travels to the past to erase Hitler from timeline, ends up with a stronger USSR invading Europe...
Generals series: the War of Terror in RTS format! The only series complete made by EALA and lacking live action cutsences(expect Generals Zero Hour).