flatland

suspected renegade

Reason why you should leave your room. 
Sometimes. 

The Vampyre of Time and Memory

uninvited

foam party

just as well

but "if only" is a wish too late.

interference

 phenomenon in which two waves superpose to form a resultant wave of greater or lower amplitude.

mind over matter

2015 - with tons of Dire Straits. Ready, set, go.