The Imperial walkers are actually one of the earliest examples of mecha (humongous mecha, even) in Western visual arts.
But for a game, that's cool. Oh yeah!
Transcript
Sergeant Major Trey Callum: Uh, Echo Base, you're not gonna believe this, but we got some kinda funny-lookin' land transports out here.
Leia: No bombers?
Sergeant Major Trey Callum: Yah. They're like giant... camel droids. Walkin' at us.
Leia: Are they mocking us?
Toryn Farr: {softly} Phew. They don't sound so dangerous.
Sergeant Major Trey Callum: Well, they got a whole lotta guns.
R2-D2: Ooh, I want one. I want one so bad.
Leia: Destroy them all!