Reach a 99X chain multiplier

Hit 4 people with a single shotgun blast

Blow up 8 vehicles in 8 seconds

Hit 25 pedestrians in a row with your car without stopping

Drive 65,536 pixels

Knock someone off their bike to ricochet another off theirs

Knockdown three pedestrians with a single fling using the BioClaw

Kill 256 civilians within a single life

Avoid the cops at maximum threat level for 1 minute on foot, without taking damage

Find all hidden loot bags, payphones and invisible walls

Play Free Roaming Mode as one of the guest stars

Match all cards in a single round of the casino game at the Spades To Steal Casino

Raise your threat level by committing a crime that attracts police attention

Kill four green sewer dwellers

Get "sick" on "milk"

Dethrone GLC's high score

Beat Death Cam VHS without dying

Collect all time machine parts

Beat Super Stomp Shenanigans in Turbo Mode

Get gold medal scores in all sprees