The secret trophy
There is a secret trophy you can get if your in Olympus Heights. Go to Sander Co-hen's room.Kill both of the splicers that are dancing. Be careful their Houdini splicers. Once you kill them both Sander Cohen will be mad he will appear in his room. He is pretty hard to kill. An easy way to kill him is to use the enrage plasmid on a big daddy. Once Sander Cohen is dead take a picture of him. The trophy is an irony trophy.
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