heres a game made with darkbasic that has a style i like:

http://www.darkbasic.com/gallery_view.php?
galleryid=81&p=1&catid=

cartoony kinda but you could also make a more serious game than you could with it being cel-shaded like an rpg without it looking all gross and first-person shooter like.

p.s.: i used a darkbasic example because that's made with another buyable game engine, not out of our league like ps2 games.