It was a grind, still is a grind. But overall the SCMMs were what made me keep on playing to keep credits high for the new mechs to come. It was a good idea to scrap the rare after rares that MQ kept producing. It in itself, became like some sort of museum game where it's all about collecting rares.
Eventually of course, as much as we all tried, the game fell out due to, I think, lack of variety. It was built from simple and humble beginnings, but that soon ran out after a certain level, as things became a grind, and not much was improving - mostly due to huge lack of developers.
But it has a great potential to be on par with DF and AQ.