Reaction Quake 3 (or simply known as "Reaction") is essentially a direct-as-possible port of Action Quake 2 (AQ2) to Quake 3: Arena. If you don't know what AQ2 is, heh, have you been living under a rock? Seriously AQ2 was the most popular mod for Q2 and was really the grandfather of all realism mods. It brought fast paced gameplay with realistic weapons and damage. From the AQ2 page, "The idea is that each bullet counts for a lot, but that doesn't mean you shouldn't pump them full of as many bullets as you can spare; they'll get a chance to shoot back before they die if you don't finish them off. Cover actually means something, it's better to make sure there's a pillar or a desk near by to duck behind, especially if you have to reload or bandage yourself." Combine that with the ability to strafe, ramp, ladder, and double jump and you've got yourself one hell of a good time. Reaction brings all that to the Quake 3 engine giving...