Top tips-
*Aim Rocket launcher at ground below enemy
*Spin around randomly when being sniped
*Use rockets or plasma grenades on scorpion
*Hide rocket launcher and use at long range or at last second
*When chossing a colour don't pick bright ones
*Pistols at long range, shotguns at short
*Needlers are for freaks
*Plasma weapons kick ass at removing spartans shields
*Don't snipe unless you have a clear shot
*Use 2x or 10x zoom when you can
*Keep moving when firing weapons
*Ghosts stop scorpions turret moving
*Reload weapons during peaceful moments
*Two or three shots with the pistol to the head is a quick kill
*The pistol is the best weapon overall
*Bouncing frags off of walls can help
*A melee to the back is a one hit kill
*Watch the motion tracker carefully
*Overshields drain automatically in multiplayer
*Active camoflauge is crap unless you stay still