What type of immersion involves the player being so absorbed in the action from second to second that nothing else matters except surviving the next challenge?

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I’d say platform as a service (paas) or application platform as a service (apaas) or platform base service is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app.

The answer is: a join on clause.