Ah, yes, good old tanks. This must have been one of the most popular games on this console, at least where we're from, and it had legendary status. The game was originally called Battle City and released in 1985. It's a multidirectional shooter where you roll around in a tank, and your mission is to defend your base and take out all your enemies. There are two ways to lose — either you run out of lives, or your base gets absolutely demolished.
As for enemies, you've got four types, which are als