Roberta played a significant role in shaping the company's culture, creating a family-like atmosphere that attracted and retained talent. This fostered a strong sense of loyalty and creativity among Sierra employees.

Roberta's creative vision heavily influenced Sierra's product line, ensuring that the company focused on high-quality adventure games with compelling stories and memorable characters. She oversaw the development of multiple successful franchises.

As Sierra grew, Roberta faced the challenges of managing a larger organization and adapting to the changing landscape of the computer game industry. Her decision to develop FMV games like 'Phantasmagoria' was a strategic attempt to stay relevant in the face of competition.