Hello, if you're reading this, it's because you either have no idea how to play and you're a noob, or you're reading because you decided to look at it, or whatever, This is for those how to play and tips for playing as the Marines, the Aliens, and the Predators.

If I missed anything or this didn't help, then thats your problem, and you have to deal with it. Otherwise, you can continue reading or move along.
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Marines:

- Keep an eye on your tracker, it will detect any movements (Both ally and enemy). But don't depend on it like if was some sort of thing where you rely on it the whole time, it will get you killed. As it will detect non-living such as a cardboard box. But make sure you check the motion tracker often as will detect any movement and will alert you. (Also watch your surroundings, you get jumped from anywhere, or a plasma mine from the turn can kill you at any time)

- Smart Guns and Sniper Rifles can also detect hostile movements (Even if invisble targets), While the Smart Gun has a "Aim Bot (If you ever noticed) enabled in it. The Sniper Rifle can noticed hostilies in the distance. Unless you know what you're doing with them

- This is a probally a waste of time but at least clam the f*ck down okay? Be cool and retain focus on surviving the battle.

- The Xenomorphs/Aliens can pick off alone marines, which is one weakness can be exploited by in groups of 3 or 5. In it best to stay in groups and never wander off alone unless you respawn in a different area and you need to regroup with them fast.

- In some maps, there are some parts where you can dig into a defencive positions (I would recommend doing it somewhere where it doesn't have multiple angles where you can get attacked easily)

- In dark areas, you have your flashlight that way you don't be afried of dark anymore and don't get spooked much.
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Predators:

- You can switch Visions in order find where the enemy is at. The heat vision finds both humans and predators by detecting heat sources, the alien vision.. well find aliens. (Do I need tell you more about that)

- If you are planning on using the smart disc, plasma blaster, or plasma mines, be mindful that anyone can notice you doing this (Either by energy charge or laser targeting). When someone notices you or someone else about to use one of them, They will try move away or douge it as possible.

- If you're planning on attacking marines, advise attacking them at long range by throwing a spear or a using your plasma blaster. Or set up mines (Note that Marines can notice this and shoot them)

- Watch your surroundings, why I'm telling you this is because 2 or 1 xenos can attack you at a different angle you are not looking at.

- Pick your targets carefully, and strike carefully as possible. It can all go to ruin.
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Aliens:

- Marines have a line of sight and a good range, meaning even you're not on their scanners, they can still shoot you. If you're planning on attacking them have a other xenomorph flank that marine while you're distracting them. If there's a group of them, wait for at right time and strike when you have the perfect chance. Do the same thing as for the Predators. (Unless the marines are dug in a two-way hallway)

- If you're planning on swarming a group, wait until a curtain # of xenos show up (Like 6 or more), then attack from multiple angles.

- The only weak point of the Marines and the Predators is when their backs are shown. Hit them at the back. (Unless you know that already)

- If you're going in for the kill, just wait a moment for the enemy to mess up or time your attack perfectly then hit them.

- The darkness is your ally, I don't need to tell this to you unless you're stupid enough to understand. (No offense)

- If you noticed a hostile xeno (who aren't with your side), be careful and watch it's movements.

- You can walk on any surface, enter vents, and jump on any surface.
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So there you have it, I've give you all the information for Xenomorph Aliens, the Predator Hunters, and the Colonial Marines.
Feel free to use this to help you. That's all the info you need to play AVP, so you better take note of it and get in your brain what you can memorize so you know what to do. If this doesn't work, then sorry if I couldn't do any better. If I left out something, left a comment down so I can add it or so.