It's pretty fun.

+Many optional objectives.
-Enemy AI is pretty bad.
-Once you get the earth powers they kind of break the game since it lets you carry around a piece of concealment you can deploy anywhere. Enemies will not even notice that there's suddenly a bush in the corridor they walked down ten seconds ago, even if it's a completely inappropriate place for grass like indoors.

It's pretty fun. +Many optional objectives. -Enemy AI is pretty bad. -Once you get the earth powers they kind of break the game since it lets you carry around a piece of concealment you can deploy anywhere. Enemies will not even notice that there's suddenly a bush in the corridor they walked down ten seconds ago, even if it's a completely inappropriate place for grass like indoors.