Cash Invaders

Cash Invaders is a shoot’em up for MS-DOS based on Space Invaders. It has 100 levels, 9 bonus levels, raytraced graphics and power-ups.  You control the ship at the bottom of the screen, use keyboard or joystick to move left and right. Shoot the aliens and then catch the coins to earn money. There is a variety of aliens, weaker on early levels, stronger on later levels.