Many major changes including:
First-person mode (press 'Q' to toggle). Allows you to hit or shoot upward or downward (allowing for headshots and for flexible striking targets).
4 more characters: Bopa Has, Zombiekiller Zack, Road Rage Rohnathan, & Monster Pig.
2 more maps.
Added more weapons: Chainsaw, Dual-wield pistols, minigun, & bazooka.
Revised animations.
Separate animations & weapon slots for knives & swords.
Added the ability to throw knives.
Added cars (don't get hit by them).
Enemies that move at you sideways-diagonal, instead of just a straight line.
More balancing