At the risk of being rude, the problem isn't lack of suppliers -- it's unrealistic expectations on the part of would-be sellers. Why would any company drop ship new release video games, which tend to be in such high demand that they go out of stock as fast as they can get them in? Why share the love with some guy from the Internet, when markup on games is so low to begin with?
A huge number of people come and go through this forum. Many,many, many of them think that they want to sell video games, and it's pretty much always the same rap: Must be new, must ship internationally (preferably free) low/no MOQ, must dropship blind (but no extra fee on that!) etc. etc. etc. The problem is not that the suppliers in the Salehoo directory aren't any good -- it's that the suppliers for which you are looking do not exist
Again, let me restate that I'm not trying to be rude here -- I just think that so much of the problem with finding sources for your first product often lies with the person trying to find the product, because people form an idea in their mind and then cling to it no matter how much evidence is presented that contradicts it.
You don't have to take my word for it. Pick any major video game publisher and contact them directly about retailing. They'll put you in touch with a distributor, who will then open your eyes to the MOQ and price realities.
"Failure is not when you fall down. Failure is when you don't get back up."