Star Trek Online will be going free-to-play on January 17, 2012, Perfect World Entertainment has announced.

Perfect World Entertainment first announced the change-over to the free-to-play model in an earnings call, stating the studio was in the process on working on the new model.

The January launch is slightly later than initially stated by CEO Kelvin Lau who said the change would happen by the end of the year.

Star Trek Online originally launched in 2010 as a subscription-based MMO featuring microtransactional content.