Bioshock Activation Revoke Tool
Afraid to reinstall your PC retail copy of Bioshock because of its current 5 activation limit? Have no fear, revoking utility is here. Gimme back my token!
Q: What is the BioShock Revoke Tool?
A: The BioShock Revoke Tool will de-activate the current license on the computer contact the activation server to free up the activation, for future use.
You can download the Bioshock Revoke Tool as well as user instructions in a nice PDF format via link below.
Via Cult Of Rapture.