Defend your command base and destroy enemy command base. Deploy you command base and start spawning marines. Upgrade your marines using vespene gas available. To gain vespene gas, you will need to kill some marines to gain experience. When reach certain experience, you will gain a level and 1 vespene gas each level.
Currently development status: - Has done spawning supply depots at random location for players to capture for additional marine spawnings - Has create a neutral factory which periodically fly random places for players to buy some support units like siege tanks