Use the Amp

Complete 'Sea Spray' as Big Dog.

It may take some sleuthing, but justice must be served.

Fully upgrade your first augmentation of choice.

Unlock the evil ending.

Take over the first island in New Marais.

Stay off the ground for 130 meters.

Climb to the top of the 3 tallest buildings in New Marais.

Hit at least 6 cars in a single Ionic Vortex.

Pick up 50% of blast shards scattered around New Marais.

Unlock and purchase a power of each type by performing stunts.

Use the Precision ability to rack up three head shots in rapid succession.