This is the 5th part of Bike Mania. Here are links to the previous parts:
This is one of those games where you need to pass obstacles on a bike accelerating and breaking with the up and down arrows and maintaining the balance with the left and right arrows.
Nowadays there are hundreds of games like this, but Bike Mania was among the first ones of the kind. In this 5th part you have military type obstacles like tanks and helicopters.