Proving Grounds achievement in BioShock 2 (JPN)

Proving Grounds

Win your first non-private match.

Proving Grounds0
Online Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

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