Quote Originally Posted by Adrian II
Artificial intelligence is nice, human intelligence is a far better opponent than any machine and groups working together are smarter than soloists.

Sooo, the answer is Battlefield2.
Only if you play with good players, multiplayer games can be free for all spray and pray-fests as well. A good AI feels like it actually works together, in the case of Halo and F.E.A.R. the AI trumps 90% of the multiplayer matches.