While Red Alert tried to remain serious, it was still pretty cheesy. The Soviet ending was pretty ridiculous and funny "Nadia, this tea is truly excellent!" *dies on table* You can watch it on youtube http://www.youtube.com/watch?v=vN2zeRbu0x4
The difference is it seemed like they didn't know it was cheesy and silly. Now in Red Alert 3 it seems like everyone in the game is in on the joke.