Possibly the most useful paradigm to understand individual drive is the psychological concept offlow, which was derived from numerous observations of how people feel while performing differenttypes of activity (Csikszentmihalyi, 1990; Nakamura & Csikszentmihalyi, 2002). “Flow” refers tothe pleasurable state experienced when the activity, while intensely focused, proceeds in aseemingly effortless, flowing manner—because every action immediately elicits the next action,without any hesitation, worry or self-consciousness. In such a state, continuing the activity becomesthe only real concern, while everything else is pushed to the back of the mind. That is exactly thekind of focus and commitment that we expect from a good mobilization system. The gratifying,addictive quality of computer games is commonly explained by their capacity to produce flow(Cowley, Charles, Black, & Hickey, 2008).The basic conditions needed to generate flow are:• the activity has clear goals;• every action produces an immediate feedback.• the degree of difficulty or challenge of the task remains in balance with the level of skill