There are my current grading criteria for these games

There is 5 categories and each can get a max score of 5

Categories:

-  Art, this includes; animation, backgrounds, character design ect

-  Plot, is the story progressing and is the plot unique and interesting 

-  Dialogue, do they sound like actual people not just caricatures

-  Characters, are their personality likable

-  Interface, is it easy to interact with the story and not lose emerson 

Ratings value:

1= The worst experience ever and I can do better

2= It was bad, every below average

3= It was ok, average, bearable 

4= It was really good

5= One of the best I have ever seen.