Sweep Saver

You are a downed signal with one working antenna. Rescue is 120 seconds out.

Your radar cone is the only thing between you and the dark. Rotate it — drag, or
hold an arrow key — and everything the sweep touches is dealt with. Red contacts
that reach you through open air tear a piece off the cone, and a cone worn down
to nothing is a signal lost.

Green contacts do the opposite: catch one in the sweep and the cone widens, and
the board clears. So the cone you are defending with is also the thing you are
rebuilding, and every rotation is a bet about which side of the radar needs you
more.

Contacts come in waves, and the waves keep coming after the rescue mark. The
clock never stops climbing — 120 seconds is where the story ends and the score
starts.

Controls: drag anywhere to aim the radar cone, or hold the left/right arrow
keys. On a phone, the two arrow keys sit in the bottom-right corner.