I would add that location is just as important as a killer CV/portfolio, especially if you're just starting out. For myself living in the UK I have found it really tough, even to land a testing job.
Basically I was living in the north of the UK, Leeds/Bradford. I had an interview with Rockstar Leeds but the role wasn't the right fit for me. All other applications I was making outside the city I lived in were not resulting in interviews, despite returning from working abroad with design experience on a highly successful franchise.
My wife and I started to use my parents address in London, and eventually that worked. I got my foot back in the door of the industry at Sega and my wife got a job also. The UK has fewer opportunities than it did in the so called golden years. Industries change, whether its mobile or f2p, and I got caught out as a young designer thinking I would be able to get a job back in the UK. So my final advice from a lesson learnt is don't assume once you get into this industry, that it means you're 'in'. It has taken me a while to figure out how to return, and a lot of time and support from my family.