[Pierre-Marie Baty]

Your concept can, to some extent, be applied to modern firefights.

Morphin or steroids to give boosts to wounded players
Improve on the "night vision" concept
Unidirectional amplified hearing headphones
Heat sensors
Optional rifle stabilizers
Optional flashlights
Optional scopes or lens to all rifles
Optional laser beams
...

they do this already in The Specialists. Although it's a deathmatch. But I *LOVE* the fast-paced tactical side of this game.