@RAmpersaND: ok improvements from gears 2 to gears 3 besides maps and balancing..... which is stupid to not include
you can tag people and push them into their team after using them as meatshield
capture the leader
jump over cover and kick people
weapon executions unlocked by getting kills with the weapon
4 player co-op
i just named 8 things off the top of my head right there. without even having to think about it.