Blaster Master

About Blaster Master
One of the games created for the Nintendo Entertainment System, this videogame combined the sidescrolling antics of a vehicle with the overhead sections of gameplay of the pilot as he entered dangerous areas of the underground land he had fallen into.

The story itself seems to detail the hero, Jason, following his pet frog as it hops out to a box marked radioactive. The frog, apparently drinking from the box, then grows to a large size. The ground the box was settled on collapses, and the frog falls into the hole while Jason follows it.

That is when the boy discovers the vehicle which you play most of the game in.

Vehicle Additions
Throughout the course of the game, there will be areas that you will be unable to access with your current capabilities. You can find items to enhance your vehicle to get past these obstacles. To do so, you will be required to get Jason out of his vehicle and search the doors within the game world. One of these doors will eventually lead you to a boss. After Jason defeats this boss, he will obtain one of the following items:

Hyper Beam - Increases the strength of the vehicle's shots. Discovered after defeating the boss of Area 1.

Crusher Beam - Further increases the strength of the vehicle's shots, and allows it to shoot down some walls. Obtained after defeating the boss of Area 2.

Hover Jets - Allows the vehicle to hover for a short period of time. You are allowed to move it horizontally while hovering. Obtained after defeating the boss of Area 3.

Key - Opens the gate leading to Area 5. Jason must be outside his vehicle in order to use this item. Obtained after defeating the boss of Area 4.

Dive Unit - Increases the vehicle's speed in water, allowing it to move freely. Obtained after defeating the boss of Area 5.

Wall Unit 1 - Allows the vehicle to cling to walls. Obtained after defeating the boss of Area 6.

Wall Unit 2 - In addition to the abilities granted by Wall Unit 1, the vehicle can now travel upside-down across ceilings, as well. This is the last addition obtained in the game, given to you after defeating the boss of Area 7.