I admit that I didn't play much TF2 and even less when I discovered Aimbots, but even so that doesn't stop me from helping this incredible community.
#FixTF2save.tf/
Be that highly trained professional they talk about so much!
Water hazard is the chapter with the most sightings of the G-man in the entire series, with 4 sightings in total. Why did he appear so much in this part?
Perhaps because he was worried that Gordon would die because he was facing too many Combine forces too soon.