Gamers from across the globe are in Boston this weekend for PAX East, an annual gaming festival.

Thousands are expected to attend the event at the Boston Convention and Expo Center, which sold out months ago.

Here are some photos from the convention center as the event got underway:

Crowds wait to get into the Boston Convention Center for PAX East on Friday. The annual event was expected to draw thousands. (Joe Difazio for WBUR)

Many fans were dressed up as their favorite video game, comic book and movie characters, like these ghostbusters. (Joe Difazio for WBUR)

(Joe Difazio for WBUR)

(Joe Difazio for WBUR)

(Joe Difazio for WBUR)

People set up an exhibit at the Boston Convention and Expo Center Thursday ahead of PAX East. (Elise Amendola/AP)