2K Games has sent word that the Sinclair Solutions Tester Pack, the first in a series of single and multiplayer downloadable content for BioShock 2, will be available on March 11, 2010 from both the Xbox LIVE Marketplace and Games for Windows-LIVE for 400 Microsoft Points, and from the PlayStation Network for $4.99.

For those not in the know, the Sinclair Solutions Tester Pack contains a number of customization features that will allow players to further their character’s development in BioShock 2‘s multiplayer modes and provide a deeper multiplayer experience.

Announcements about additional downloadable content for BioShock 2 designed to extend the game’s single player and multiplayer experience will be made “in the coming weeks.” Of course, we’ll keep you posted.