Complete all City Takeover gameplay in the Downtown district.

Complete all instances of Professor Genki's Super Ethical Reality Climax.

Spend over 30 hours in Steelport.

Complete Act 3 in one way.

Complete 'Zombie Attack'.

Customize 10 vehicles.

Complete 'STAG Party'.

Find 25% of all Collectibles.

Complete 'The Ho Boat'.

Upgrade one Stronghold to its full glory.

Hijack 50 vehicles - Dukes style.

Complete Act 1 in one way.