Cube Hero - Protect the green

You have to protect the green cube with the flying ones.

Controls:
WASD - Move
Tab - Switch Cube
Mouse - Aim and Fire

You have to protect the green cube on the ground
If it hit something you lose
You have to use the correct color cube to destroy objects
The green cube will always follow the cube you are driving
Avoid and/or destroy the objects along the way to protect the green cube
Good Luck