KnockDown: A 3D FPS Game

Made with Pocket Code. 

(ALERT: This game is a prototype and uses 3D Effect because it was made in a 2D Game Engine., if there is any tip to improve the game, i would appreciate)

(This game takes place in a parallel universe)

In 1940, Hungary invented the nuclear bomb and dropped it in Texas, caused chaos in the United States, nuclear bombs evolved for 5 years until the power went to the level of blowing up a country  whole, you are from 2018, with a time machine that is in your bunker and works by means of a steam generator, you have entered the time machine and need to protect the United States from the Mark 2 Nuclear Bomb.

Enemies:

-JetPack Marines

-Terrestrial Marines