Break into every locked door using shivs

Find all training manuals

Pet Buckley the dog

Open all safes

Ride the sewer contraption with Henry and Sam

While in stealth, turn off the spotlight generator in Pittsburgh

Pick up Frank's note after it's discarded

Beat the entire middle row of Solo Episodes

Acquired all trophies

Crafted 20,000 ammo

Caught 1000 Pals

Seized the Oil Rig

Maximized the rank of 5 Pals