This study investigates the emergence of intellectual opportunism for game boosters in mobile social networks. It shows the supply and demand for upgrading game levels in mobile social networks. These supply and lucrative demand highlight a new temporary profession as game boosters. Game boosters facilitate framed newbie gamers who want to play at a higher game level without playing for a long time. This emergence of professionally game boosters is due to economic opportunism, promising their potential future incomes. Moreover, opportunistic mobile social networks (OMSNs) support the muscular appearance of the game booster profession. On the other hand, this study demonstrates that mobile social networks exploit hedonistic human needs by reflecting their behaviour and social relationships when building efficient and trustworthy business contracts. This study presents uniqueness supported by critical reasoning. First, it shows that the game booster phenomenon has emerged as a contemporary profession in society, promising future cash inflows above the average salaries of typical jobs. Second, this research demonstrates the sequential logic of economic opportunities, intellectual opportunism, and mobile social networks, constructing game boosters’ income generating. Nevertheless, this study acknowledges that the game booster profession has low integrity due to its members’ inconsistent and unprincipled virtues.