Quote:

Just 1 quick question, how easy to edit and place entity in level and assign "action" to it?



First take a look at this little video:
http://www.youtube.com/watch?v=dDsEx8FKmJU&feature=related

Then Just follow these tutorials and samples, and you will see how easy it is.

http://creators.xna.com/Education/Tutorials.aspx

http://creators.xna.com/Education/Samples.aspx



http://br.youtube.com/watch?v=jBQhxYNxI8U
http://br.youtube.com/watch?v=2LBz31EpBNA
http://br.youtube.com/watch?v=Q0MpSxyH-34
http://www.youtube.com/watch?v=vd4R1JVXNAc
http://www.youtube.com/watch?v=BvSG4_nOB88