Fun Fact: Had a glitch where you could drive off the road and become invincible…as long as you stayed off the road.
The arcade version of Spy Hunter was all about positioning and finesse. The NES home version did a faithful job of replicating those mechanics, which were much harder to negotiate with the rectangular NES controller than with the steering wheel in the arcade.
One had to be on top of their game to make it far enough along the road to reach the boat house and change into the speedboat. Pulling that off consistently was excellent bragging rights among your gamer friends.