Adding one more level of abstraction always hurts performance. So the answer to your question "Does the game run?" is usually no. Not in a playable form anyway.
Thank you for dividing the world into two types of people: casual gamers and losers (/sarcasm)
What's wrong with enjoying the latest games? Nothing....your sad attempt to turn anyone who plays a game that is newer than 7 years old into some kind of waste of life is pathetic and offensive.
Real Programmers don't eat quiche. They eat Twinkies and Szechwan food.