IG writes: "In BioShock 2 you like a headless chicken running around and shooting at everything you find. Although this is very entertaining, starting the entire experience really BioShock 2 if you use weapons and Plasmids simultaneously. A Plasmid is a special kind of magic power, you in the heat of battle you can use. During your adventure you will anyway in contact with three basic Plasmids, but that's really only the tip of the iceberg. There are seven other Plasmids to collect, but do have a price tag in the form of Adam."