RF Online in the Philippines recently had serious issues with dupe hacks, prompting an unannounced rollback of the servers. PlayNoEvil writes that the operator of RF Online for the Philippines, Level Up Games, discovered a dupe exploit and tried to purge it from the servers as well as those who used it. However due to time constraints with unraveling the intricacies of the exploit, the company decided to roll back the game to a point before the exploit was used.
Level Up Games issued a statement on the problem: Based on DB evidence, numbers as well as feedback from the community, the GMs, the Vanguards and also from our field agents, there was an oversupply of in-game currency and gold - as high as 500 %. GMTristan of RF Online Philippines clarified the situation further on his blog: