Nexusrunner

In Nexus Runner your mission is to save as many spaceships as possible, by
steering the nexusshield in a way, that ships could safely enter. But your most
critical mission is to protect the nexus from incoming asteroids.
If an asteroid hits the nexus the game is over.

Instructions:
Let as many spaceships through the shield into the nexus and
block all asteroids.
Controls:
Spacebar = Change the shield rotation
You can pause or mute the game with mouse clicks.