Register 25 kills in PvP with heavy weapons.

Finish the game on Normal difficulty or higher.

Finish the game saving Rebecca and Jill using Chris.

Save Jill from confinement using Chris.

Save Rebecca from a Hunter.

Defeat Plant 42 using Chris.

Save Chris using Rebecca.

Finish the game on Easy difficulty or higher.

Finish the game saving Chris and Barry using Jill.

Save Chris from confinement using Jill.

Defeat Yawn using Jill.

Defeat Black Tiger.