Edge: Resistance 2
Play through the "Path of Least Resistance" level where never-ending waves of Chimera hybrids and leapers stream through the ruins of rural England and you'll understand exactly how hairy combat in the original Resistance can get. The game threw huge numbers of Chimera at you and the sequel promises to do that and more. New enemies and improved AI routines will double the intensity. Chimera hybrids are undeniably vicious, especially with their new armor plating. These pale in comparison however to the new Chameleon that has the ability to cloak itself.
Even more daunting are massive 100-feet tall Goliaths – mechanised monsters towering high above the battlefield. There's a brutal, almost animal-like tinge to the action that sets Resistance apart from other shooters. Throw in rumble to feel the vibration of lumbering Goliaths and Sixaxis motion-control to frantically shake off Drones and Resistance 2 should prove a pretty intense experience indeed.
Killzone veers off into a different direction, going for a more deliberate style of combat. Variety is traded in for intelligence. Helghast forces band together to execute tactics and possess a sense of self-preservation. These are smart dudes that don't go down without a serious fight.
Plus, their glowing eyes are downright creepy. Those orange goggles have a purpose in Killzone 2 that didn't exist in the first game – night vision. On their dark stormy homeworld Helghast soldiers can peer through the thick air to locate your position. As if the little Darth Vader clones weren't enough to scare the crap out of you, the virulent Helghan weather makes combat tricky. In Killzone 2 you'll fight against the atmosphere as much as the Helghast.
Edge: Resistance 2
Helghast soldiers certainly take the cake for being deadlier, yet there's little variety among their ranks. Scores of different Chimera species promise more dynamic action and a raw, primitive feel to combat that Killzone 2 just won't possess.