You need to listen for clues, and you'll have to do some searching to find all the bosses. You'll be doing a lot of shopping in the River City malls, because buying items helps you heal up or increase your stats. You can punch, kick, jump, jump kick, run, and long jump. You can buy books that will teach you new tricks and enhance your existing abilities. It's really cool.
Control is amazingly flexible and varied, especially considering there's only two buttons.
The enemies are divided up into different gangs and they each have different characteristics, names and abilities. They can use all the same weapons you do, so watch out. The bosses are tough, especially the twins. Bosses remember if they've fought you before or not, and taunt you accordingly. Getting money is a big part of RCR , since you can't buy stuff to increase your abilities without money.