Video game design is a career in the video game industry. To qualify Someone has to have a degree in video game design or computer science. It benefits the individual to have at least two published games to there name. Some functions may pursue specialized certificates, such as Scrum Certification for managers or a Program Manager Professional (PMP) certification but those are not always required.
Depending on the persentage of the project is done as well as time left before a deadline there are days that they work from 9am to 6pm. They do have vacations though it mostly depends on the contry and firm that the designer works in for amount of vacation time.
Pay for video game design mostly depends on experience and what areas they specialize in, also the company that they work in. For programers and engineers the average pay is about $93,251 per year while designers get around $73,864 per year.
The video game design career is pretty competitive, that's why it's best to get experence through internships and working on games that will be published.