In Crackdown, each Skill can be leveled to 4-stars and then maxed to a 5th star, although the 5th star grants the Agent no new abilities.
- Agility - Agility is increased by collecting green orbs found dotted all over Pacific City, there are 500 in total. Agility can also be increased by a small amount by killing gang members from a great height and completing rooftop races.
- Strength - Strength is increased by killing gang members, by melee attacking them or killing them with thrown objects i.e. Barrels, Trucks, Dumpsters.
- Driving - Driving is increased by performing stunts, driving through stunt markers, completing street races or killing gang members by running them over.
- Explosives - Explosives is increased by killing gang members with grenades or rocket launchers.
- Firearms - Firearms is increased by killing gang members with any form of gun.