I think i played a free demo once but I cant remember where. Can anyone help with free demo play? Was it a parody instead?
Thanks

This is probably what you are looking for http://www.newgrounds.com/games. Search for Bioshock.

Look here: http://www.newgrounds.com/portal/search/games/bioshock

You will see all the Bioshock games.

Locking thread as answer has been given. If this is not the one you are looking for, please PM me.