A1: What you need to do is get to the basment secend floor
by useing the code 3555 at elivter control room burn that bastard leech man at that floor in the lab and use the pad lock key on the boat thogh the key card door on that floor use keycard 2 to get there then like I said
go to the boat and use the padlock key then beat the ginent leach I use the burst gun and the hand gun