1. Parachutes!
Parachutes are used when falling long distances. You quickly pull it out before you hit the ground.
Mic Chat
Yes, there would be mic spam, and little kids, but there would be a: "Ignore" button or such.
Bouncing Shots
There should be a certain block where when you shoot it, the bullet will come back at you.
Targeting Color
The aim thing will turn a certain color when your pointing at somebody. It's good for when you think you hit somebody, but you really didn't.
What do you think of these?