They re-use the same textues, voiceovers and artwork over and over again. It gets ridiculous. Here are a few examples:

Assassins Creed- I'm halfway through the game and bored out of my mind. You do the same thing over and over and over. Go to the top of the roof, scout, then either pickpocket, beat up, or rescue people from being killed. After doing each of these for 100 times it gets real stinking old. I'm so sick of doing, seeing, and hearing the sam repetivie crap I'm giving up and trading this game in.

Mass Effect- I love this game and at times is the best rpg of all time. However, It too has the same repetiitive crap. When you start exploring the planents you will quickly learn that they have the same landscape but different colors. The only different environments are the main quests but even then they look alike. Alot of repetitive.

I could name another 25 more if I wanted to go in great detail. It seems to save time they use the same crap over and over again and it does take away from the expierence.