Shrinking Arena

A simple game with simple visuals. Hard difficulty.

You appear in a shrinking arena with deadly blobs appearing out of thin air.
Use support struts to prevent the arena shrinking for a short time.
Shoot the blobs to survive a little longer.
Survive as long as you can.

Controls:
WASD = movement.
Left Mouse Button = shoot.
Right Mouse Button = place one end of a support strut.

Placing struts: 
Place the first end by pointing the mouse in the direction you want and right clicking the mouse. Then move the mouse to another position and right click again to place the other end. This completes the strut.
A maximum of 2 struts can be placed at the same time.