Mike Albaugh says:
There was a game called "Qwak" before
Cerny's one. It was hard-wired (No processor)
and was basically a light-pen duck-hunting game. I gave one of the old
Qwak's to my then-girlfriend's cousin, back in 1980 or so. He has
since sold it and I haven't seen her since 1986 so don't ask :-)