> Those free-to-play phone games seem to survive ok while making players pre-load a balance before they can buy their in-game advantage items with it. Those ga

> Those free-to-play phone games seem to survive ok while making players pre-load a balance before they can buy their in-game advantage items with it. Those games largely depend on addicting people to intermittent rewards and harvesting a disproportionate amount of their revenue from relatively few 'whales'.