[ANaKeR]

Flashbang/Smoke Grenades are a no brainer. They would definitely be useful in the game.

Throwing a couple of smoke granades in a doorway and then rushing in would be great! You have to make sure that some care is taken when implementing them into the game because you dont want it to be easy to fill a whole room with smoke.

A possible setup:

Smoke Grenade
Outdoors - Thick, copious amount of highly translucent smoke.
Indoors - Thinner, semi transparent smoke
White colored smoke that lasts about ~20 seconds and stops emitting smoke when sustaining a small amount of damage

Flashbang Grenade
Degree of blindness determined by angle at which grenade explodes in front of you and distance. So say within ~5 meters and ~20 degrees - fully blind (translucent white) for ~3 seconds. Greater than ~5 meters and/or more than ~20 degrees - semi blind (semi transparent white) for ~2 seconds. Beyond a certain distance you see a bright explosion but doesn't blind you at all. Friendlies get a only semi blind but duration is the same. Very light damage within ~1 meter of exploding flashbang. No effect to players in vehicles or looking through a window.