EA wrote:The Retaliation Pack brings you four new maps that support all online multiplayer game modes (Instant Action, Team Instant Action, Capture the Relay, Crash Site, and Extraction). These maps include:
The Crysis 2 Retaliation Pack arrives on Tuesday, May 17 in the US (May 18 in the EU) at $9.99 (or 800 Microsoft Points) for all platforms. Adapt. Upgrade. Dominate. Be the weapon. Only in Crysis 2.
details at EA:
These new maps are now on the GON servers.