1.000 ETH?
I always felt that these Ethereum games are more evil than good, I don't see them offer anything more than bragging rights. You just buy things with the hope that maybe someone chooses to buy it from you later.
If this system is made on top of an already good game I think it'll be amazing, but this system can't be a good game on it's own, and some people will just fall a victim to it. (it's similar to gambling in that regard.)