Story:

The planet is called Earth and it is overpopulated. The people are not happy with the fact that the world is too small for them to have a good life.

They are looking for a new planet to live on and they choose the planet called Eldorado, because it is the best option. The problem is that the atmosphere of the planet is poisonous to the human race.

The best option to solve the problem is to find a way to filter the air. But the people don't have the technology to do it.

So, the only solution is to defeat the people who are trying to take over the planet.

Gameplay:

The battle mech "BE-A Walker" is a fighting machine. The people have created it to fight the people on the planet.

The gameplay is quite simple. The objective is to defeat the enemy. The way to do it is to use the different weapons of the machine.

The main weapon is the beam gun. It can be used to fire at the enemies.