classicduke: You must love the alien. Funny play through though. Sounds like an AVGN rant. When using pred. I recommend using red vision against alien and it's best for locking on with shoulder cannon or disc. Green locks on to other preds and blue for marines.
advowson: I don't understand you. I have no experience with any of the classes. I only picked alien because it seemed simplest to pick up: move to melee range and strike. No special weapon types to try. What is AVGN and why would their rant sound like my recounting of a novice's attempt to play a game with no documentation? For the predator, the information about the colors is useful, if it is accurate. What is your source for this?
Predators vision modes are Normal/Thermal/Electro/Predtech. It's just something that players used to AvP take for granted and assume everyone knows or learns immediatly.
Thermal works well against humans and aims tracking weapons such as Shoulder Cannon and Disc.
Electro - same thing except highlights/tracks Aliens
Predtech is best suited to finding other Predators and maybe energy pickups, not sure.
Reliance on complex/cumbersome gadgets can make the Predator difficult to play or even vulnerable if you're in the wrong mode at the wrong moment. Good players will make it look easy of course, but despite being a tank and having cloaking, the Predator isn't really easy to learn. Alien is, but it does have it's own weakneses. Good players will make them seem godly ofc, but they are not. Low health and vertigo are not easy to get around at first.