- last post: 01.01.0001 12:00 AM PDT
play co-op on pillar when you get pasted keys and into the food room grab many gernades. Then when you both are maxed out go back to keys and go down to the area where u can jump down into the glass area. Kill ur alli and get the all the gernades u can find in there but1. Kill keyes and get the marines in there. Then wack the marines down into the glass area. once u get all the marines in there throw ur gerande down that hole and watch the big explosion.