Perfect World Entertainment has announced plans to turn Star Trek Online into a free-to-play MMO by the end of the year.

"And also Star Trek Online, after the acquisition, in fact Cryptic is working on the free-to-play model for Star Trek Online," Perfect World Entertainment's CEO Kelvin Lau explained in a recent earnings call.

"This is going to be launched by the end of this year as well. So I think free-to-play model we have a bigger potential in US market and also in China market."

Star Trek Online's developer Cryptic Studios recently teamed up with Alienware Arena to offer a giveaway of 60 days of game time to recipients.