Here are some possible meanings depending on the context:
Examples:
* "The entire game is broken." This means the game is malfunctioning or has significant bugs that make it unplayable.
* "The entire game is a metaphor for life." This means the game's themes and mechanics can be interpreted as representing real-life experiences.
* "The entire game is focused on exploration." This means the game's primary objective is to explore the game world, with less emphasis on combat or story.
* "The entire game is set in a fantasy world." This means the game takes place in a fictional setting with magical elements.
To understand what "entire game is" means, you need to consider the sentence it's part of and the broader context.
Can you please provide me with the complete sentence or more information about the situation where you encountered this phrase? I will then be able to give you a more specific answer.