I just want to fade something!

It seems nearly impossible to easily fade something from invisible to black within the game engine.
can someone help me out?

it is possiple … wait tell i edit and give you post

ok , by going to this thread
this link
030-learn fadeing between scenes … in realtime engine (((with sound)))

it learns you how to fade , but to make black after that alter the values of three colors in ipo and make them over the value 1