This is as long as the extra fees do not provide paying players with different gameplay benefits, but selling purely cosmetic perks and items is allowed. (mcvuk.com)
Players are given the choice between one of eight expedition sponsors who are coupled with individual leaders and unique gameplay benefits. (dagersystem.com)
The overall rhythm of gameplay benefits from this feature, as you must decide how to balance the risk of exposure in going after a hand - to - hand kill against the welcome ability to thin out the always numerous enemies in one fell swoop. (simhq.com)