These the things
A:Can't swim
B:Dosen't have the ability to keep skins when doing cutscenes (GTA3 can)
C:More boxy modelling for cars(GTA3 was alot smoother)
D:Peds can't pick up money or guns
C:When you almost run over someone, they leap the wrong direction ( to your car)
E:VCN Mavericks are hard to fly
F:Unfair Justice, attack someone whos attacking you and get a wanted star.
G:In and out the police station and get 2 stars
H:Ken talks crap
I: Can't use ladders unless completed the G-spotlight mission
J: No naked ladies, even though theres a porn studio
K: Umberto also talks crap
L:Cubans sound the same
M:Diaz and his gang are Cuban, but one mission you kill cubans (a Diaz mission)
N:Steal the squalo and it comes back with Lance in it
O:Peds and gangs are too weak
P:Cops are stupid and dumb
R:My version dosen't have sound (PC version)
That's about everything
Wow, A to R