Simulating Trial Mode for Marketplace Content (Xbox 360, Windows Phone)
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Simulating Trial Mode for Marketplace Content (Xbox 360, Windows Phone)

Implementing a trial mode in your game allows players download and try your game for free to make a better decision about whether or not to purchase the full version of your game. This can help advertise your game (by providing a good experience of what your gameplay has to offer players) and also increases the chance that a player will download your game to try it (since the download itself is free).

Because a conversion from trial mode to full mode requires only a license change, players don't need to re-download the entire game again, and you can retain the players saved game from trial to full mode, providing your players with a pleasant, seamless experience when purchasing your game.

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It is unnecessary to write special code to ensure that a Marketplace offer is available to players of Xbox LIVE Indie Games. By default, released trial mode games present a Marketplace offer to the player when the gameplay time limit expires. You might, however, want to write special code in your game to present a Marketplace offer, or to control other areas of gameplay when a game is in trial mode.

Detecting and Simulating Trial Mode

To detect trial mode

  1. Call Guide.IsTrialMode to determine if your game is currently in trial mode.
  2. If Guide.IsTrialMode is true, call Guide.ShowMarketplace to present an offer to purchase the full version of the game.
if (Guide.IsTrialMode)
{
    Guide.ShowMarketplace(signedInGamer.PlayerIndex);
}
Dd282459.bp(en-us,XNAGameStudio.41).gifBest Practice

Getting the value of IsTrialMode on Windows Phone is a synchronous (blocking) operation that can take 60ms or more to complete when your game is in trial mode.

To prevent significant delays in your game's framerate, don't place this call in your game's Draw or Update methods. It's best to check this property in the Game.OnActivated Method method when your game is initializing or returning from an interruption in gameplay.

Testing trial mode in your game requires that you simulate trial mode before your game is on the Marketplace.

To simulate trial mode

#if DEBUG
            Guide.SimulateTrialMode = true;
#endif
Dd282459.bp(en-us,XNAGameStudio.41).gifBest Practice
Enclose any calls to SimulateTrialMode in your code with an #if DEBUG block, so that this code does not appear in your released game.

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