Earth Defense Force is an SNES port of the 1991 arcade game of the same name. The title screen places a small "Super" before the title, but the box and cartridge just call it Earth Defense Force, same as the arcade version. I've never played the original, but apparently it has less weapons, a two-player option (sadly lacking here), and some different levels. Earth Defense Force differs from your typical side-scrolling shooter in that you choose your weapon and speed without having to pick up items. The ship, the XA-1, has three different speeds you can toggle between by pressing X (though I always use the highest speed). Before each stage, you select one of eight weapons. You can choose whichever you think is the most fun or useful. Two of the weapons stand out as superior: Homing and the Search Laser. Homing homes in on the enemy (duh). Search Laser achieves the same effect because with it your satellite ships automatically turn toward the enemy. You see, the XA-1 carrie...