Already finished Portal 2? Valve plans on luring players back for more with the release of Portal 2 DLC later this summer.

According to the announcement, which was light on specific details, the DLC “will offer new test chambers for players, leaderboards, challenge mode for single and multiplayer modes, and more.” It’ll also be offered free of charge across all platforms. That includes PC, Mac, PS3, and Xbox 360.

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