It's an expression that originated in the works of Shakespeare. If someone is a piece of work, it means that he or she is a very unpleasant person or a bad person lacking morals, etc. Examples: He's a nasty piece of work, Carl. I'd avoid him if I were you.
Making video games can be complicated and confusing, but if ur willing 2 commit, the rest is easy. Just go to Yoyogames.com and download Gamemaker. U will NOT GET VIRUSES!!!!! If you get the free version you can make 2-D games w/ a couple limits, but remember, many 2-D games r professional. If u get the Pro version, you can make 3-D games too!
games from the company that made Ovlivion ) you will see an exclamation mark like you described. The sort of games you are playing may not use meshes at all . There may be a facebook forum where you can find out more about the Apps/games you are using. one possibility - These games are likely 'flash' games so you may fix the problem by updating