On chapter III, kill 20 armed enemies while riding the stagecoach.

Shoot an enemy through a wall.

The player has purchased every slot in one of the Plasmid or Tonic tracks

The player has successfully invented at least one item

The player has defeated Peach Wilkins

The player has taken a Research Photo of the highest grade

The player has defeated the crazed Dr. Steinman

The player has successfully hacked a security bot

The player has successfully completed the Welcome To Rapture Level

Win once on every map as any team

Get one kill playing as each class

Liberate Dust Sector.

Complete 5 Guerrilla Actions.