By popular demand, this is a complete list of all weapons used during the course of the levels. All Dark Forces weapons fire by pressing the CTRL Key. Some weapons have a secondary fire, used by hitting the Z key. As you know, the Rebellion is low on resources, so you will have to scrounge some from the Empire. Compared with the Imperial weapons, this is slow.
Impact diminishes over distance.
However, some people find it useful. You have seen these being used on Star Wars, you know what they can do and cannot do. Faster than a blaster pistol but a bit random. A grenade type weapon with two modes. The first explodes on impact.