1. New town hideouts, underground hideouts and a CHURCH hideout.
2. Spud cannons on the hideout enter.
3. Townies' city is full of zombies.
4. When it's sunny day, we don't see a lot of zombies outside, becouse they're hiding in the dark.
5. New survivor clique, called ,, The Bullworth Warriors '' , they are a group of students who are separated from the others, and fighting for theirselves, the leader is Norton from Greasers, he have Hal, Peanut, Constantinos, Ivan, Troy, Chad, and Kirby in clique, they turf is the City Hall.
6. In the hideouts you can buy skateboard and bmx.
7. You spawn with the Sledgehammer.
8. Police bikes are driveable.
9. Army Hummers are available at some hideouts, but most of them are at the Police Station HQ.
10. Director of the School and Mr. Burton(GYM teacher) are now the chiefs of the Bullworth S.W.A.T. (There's no more police, just SWAT)
11. Jimmy(Or whatever character you'll be) can build his own mini-hideout(Just one) at the Greaser part of city.
12. New weapons, like Flame Thrower, Butcher Machete, Chainsaw and Bazooka.
13. Bazooka can only be found at the top of the City Hall(Where you making graffit in the normal game) but only if Norton give you the permission to climb to the top. Hal is keeping the ladder what goes to the top.
14. The Bullworth Warriors have Army armors and helmets, some of them SWAT armors.
15. Jocks sometimes are under attack, and zombies sometimes break front door barricades.
If I remember something else I'll write it!