Destroy a total of 100 Cyborgs during story mode.

Destroy a total of 30 Dwarf Gekkos during story mode.

Complete File R-00: Guard Duty.

Survive your first spacewalk.

Assimilate alien tissue at the crash site

Complete In at the Deep End

Jailor or executioner.

Assassinate Travis

Assassinate Layla

Approach the church

Eliminate the Saints

Exit the mines

Acquire the Silverballers