Weapon upgrades#994

Find secret POIs in underground caves. Get secret tech from those POIs. Use this tech to upgrade weapons into advanced versions with better stats.

Revolver into mauser type pistol, with bigger clip size, faster fire rate and dmg.
Double barrel into pump shotgun.
SMG into assault rifle
Gattling + hand mortar into automatic grenade launcher
Tesla gun into Tesla tower that fits top of Drillship and stuns any COG that gets too close, for ur towers to shoot them easily.