Last Defense by AAR is a space shooter made for the Sega Genesis/ Sega Mega Drive. The game is available in multiple languages, including English, Spanish and Castilian.
The reptilians have attacked the planet Earth, to extinct the human race. They no longer find them useful and consider them a dangerous race for the rest of the world. Your mission is to prevent the invading reptilian ships from reaching the Earth. You need to destroy their ships before it is too late.