+Fire

In +Fire, the player move his ship and shoot left, right, up, and down among an array of blocks, avoiding incoming fire and dispatching enemies. The playing area consists of 42 blocks (7 rows by 6 columns), through which there are six vertical alleys, five horizontal alleys, and 30 intersections. The player can move and fire in any direction, but can only stop in intersections. Within four blocks near the middle of the playing area are four stars, bonus items. Capturing the bonus items grants 10...