The effects were pretty good, not all entirely realistic, but then they wouldn't be if your opponent is a cartoon!
The next thing for you to concentrate on is lighting. I'm not suggesting you go out and buy lights or anything, but you could, I'm sure do better by positioning yourself and the camera in better places. A lot of the time we have you with your dark hair and dark clothes against a white lit wall/doors. Net result - you're a silhouette. Move stuff round or get some light stuff in front of you to at least reflect some light onto you.
And expose for the talent (you in this case). It doesn't matter if the background is over exposed, we need to see you.
Just watched your latest blockbuster and I really enjoyed it. I especially enjoyed the moment you recognised that the game character had turned up to take you on. Yes the effects were not particularly convincing but they certainly fit in with the movie. I didn't like the music much but then I am an old fart.