United Kingdom, Feb. 13 -- Isabela Merced has a "very unhealthy obsession" with video games.

The 22-year-old actress admits she can easily stay up until 4am playing and even managed 25 hours of gameplay in one weekend when she was preparing for her role in the second season of game adaptation 'The Last Of Us'.

She told The Hollywood Reporter: "'The Last of Us' prep has not been done in my house. I was in a relationship where my ex had a console, and I would play video games until 4am every night.

"So I have a very unhealthy obsession with video games, and I told myself I wouldn't get a PS5.

"But when I heard this ominous call about how the [The Last of Us] creators wanted to meet with me, I was like': Okay, I have to play the game fir...