River Blast!

River Blast! is a vertically scrolling action game inspired by River Raid. The player fly a jet up a river in an attempt to destroy numerous enemy objects and warfare units. The river is heavily guarded with cannons, ships, choppers, aircraft and tanks trying to stop everything that moves. The plane is armed with a double cannon with unlimited ammo. No refueling is required. New aircraft is acquired after gaining 10.000 points. The game allows up to two simultaneous players at a time.