Unlock the following alternate endings by performing the corresponding tasks:
Alt ending 1 - Give Barry his gun, keep him alive, and rescue Chris
Alt ending 2 - Give Barry his gun, keep him alive, let Chris die.
Alt ending 3 - Give Bazza his gun back, let him die at the heliport, but keep Chris alive.
Alt ending 4 - Don't give Barry his gun and rescue Chris.
Alt ending 5 - Don't give Barry his gun and don't rescue Chris.
Alt ending 6 - Rescue Rebecca, keep her alive, and Rescue Jill.
Alt ending 7 - Let Rebecca die, but rescue Jill.
Alt ending 8 - Rescue Rebecca, but let her die at the Heliport, rescue Jill.
Alt ending 9 - Let Rebecca die, rescue Jill.
Alt ending 10 - Let Jill and Rebecca die at the Heliport.