If you're looking to verify the authenticity or quality of a video file, here are some general tips:
Flashpoint is an 800GB+ archive of every Flash game ever made. Their version of Commando 2 is universally "verified." commando 2 swf verified
Players unlock increasingly powerful weapons after completing each of the game's missions. A, W, S, D keys for movement and the mouse for aiming/shooting. If you're looking to verify the authenticity or