Original sentence: Currently the commercial version of the game costs 1,500 yen (12.40 USD) for 30 days.The game does offer a free trial period
Edited sentence: Formerly the commercial version of the game cost 1,500 yen (12.40 USD) for 30 days to play and offered a free trial period.However, on May 28th, 2009 Emil Chronicle Online went from being p2p(Pay to Play) to f2p(Free to Play) with cash shop