By simply completing a matching gift form (on - line or paper), you may be able to double, or even triple, the impact of your gift! (humaneheroes.org)
Additional champions will be able to be rented with «favor» — a special in - game currency earned by completing matches or by purchasing them with real world money. (brokenjoysticks.net)
As players complete matches, they can spend free or premium currency on mystery crates containing new weapons or gear for their soldier, or they can purchase these gear and weapon items individually. (adweek.com)