Monorail lines built around a base allow Gun Platforms to move around as needed. Without a Monorail, a Gun Platform is a static unit that needs to be protected; with Monorail, the Gun Platform can advance and retreat to cause a real nuisance to an invading enemy. #barrenplanet #ibmpc #msdos #cga

Roads are strips of Snow plain that have been dug down to the rock beneath, and then smoothed out for fast vehicle travel. All ground units move at full speed along a road, so use them to get your vehicles around the battle map as needed. #barrenplanet #ibmpc #msdos #cga

Crystal Nodes, as in the desert, are where resources are found. If you see one poking out of the snow, you will need to build a Mining Station on top of it to begin harvesting the resources. In some battles, there are Mining Stations already built here. #barrenplanet #ibmpc #msdos #cga

Ice flows are icy rivers partially melted by volcanic activity under the surface. They can only be crossed by Combat Droids on foot, and by Hoverbugs and Air Fighters that can pass freely over them. Ground vehicles need to find a way around them. #barrenplanet #ibmpc #msdos #cga

Ridges are formed both from tectonic forces and from crater impacts. THey slow some units down, but also provide a protective advantage due to the high ground, and the ability for smaller units to hide behind the crest. #barrenplanet #ibmpc #msdos #cga

The snow plains are strewn with Rocks, fields of boulders that impede movement. Apart from getting in the way, they provide a little protective cover to some units that can hide behind them. #barrenplanet #ibmpc #msdos #cga

Most of the battle maps are made up of Snow plains. Some units can travel at full speed here, but the soft snow can slow other units down, such as the Ice Tanks and the Constructor. Units out in the open here are not protected from attack. #barrenplanet #ibmpc #msdos #cga

The Constructor moves around the battlefield to build and repair other units, including Mining Stations. While it is often needed near the front, it should be kept out of danger. Loss of your last constructor makes Mining Stations redundant. #barrenplanet #ibmpc #msdos #cga

The Mining Station is a static unit that can be built on Crystal Nodes to extract resources from the ground. These resources are used to build and repair other units. The Mining Station is weak, so it shouldn't be left to its own defence. #barrenplanet #ibmpc #msdos #cga

The Gun Platform is the most powerful attack unit. Normally static, it can be mounted on a carriage for fast travel along monorail lines. This makes it a devastating unit for defending a large built-up mining installation. It can take out some small units in one hit. #barrenplanet #ibmpc #msdos #cga