Under (De)construction

Under (De)construction:
Made for the Scratch Game Jam #11.
Survive for as long as possible.
This game might receive updates

Controls:
Move the camera by wasd
left mouse button to place a building
scroll wheel (or up arrow and down arrow) to switch between buildings,
right mouse button to deconstruct a building

The numbers at the top of the screen:
The number that is shown in percentage is your efficiency, keep it at 100% and you should be fine
The other two numbers are your energy and computing power.

Known bugs:
The overdrive (100%+ efficiency) bug. No, I won't tell you how to trigger it.

Also:
Sorry, but you can't skip the cutscene.
Small change: changed the default building set from grey to purple as it was supposed to be.
Music from Action Music Collection Pack 2 published by ansimuz.