While the primary objective remains fixed and clear, the variety of unit options that allows players to choose the means of accomplishing goals continually opens the game up to new opportunities. And while some units function more successfully than others, with submarines serving as a low point, the inherent advantage of offering the choice allows players to switch to a variety of fighter planes, bombers, and battleships to keep the experience from stagnating. Developers can never go wrong in offering choice, and while the objectives are fixed and straight forward, allowing the player to decide where to invest their focus validates the continuing evolution of this series.
