As a relatively new medium, compared to film, books, and TV, a sizeable chunk of the history of video games has been filled with games that don't require you to have your brain turned on. However, since the turn of the century, there have been more and more games hitting the market that flat out refuse to let you play them absent mindedly.
While some games directly smack you over the head with their themes, not giving your mind a second to breathe, others either take a more subtle approach, or somehow unintentionally ask questions that make your head spin as if it were a helicopter.
What makes video games unique as a medium is that you are in control. This allows them to directly make you contemplate the consequences of your own actions, and what they mean, as you play them. Whether it be through their morality choices, character customization, world building, or game mechanics, the avenues in which games can explore concepts are near endless.
Now that we're done with that, it's time to boggle our minds with ten video games that pose extremely deep questions.