An anticipated sequel, Epoch 2 ($3) from Uppercut Games offers more Terminator apocalypse-inspired robot battles. The third-person shooter will likely appeal mostly to fans of the first Epoch, but it may not expand the audience much more than that. New weapons and features have been added, most notably including moving backgrounds and varied types of simultaneous attackers to fight against, all within an Unreal Engine 3-generated environment. But…