This game would be a five star no questions asked except for 2 things...
Rain - this utterly destroys the games mechanics, in effect ruining the exploration in the game. The rain is a constant reminder of what could have been, and unfortunately it rains every single day, in nearly every single region. You will grow very tired of it very quickly.
Weapons - the idea sounds good on paper. It's not in application. You will wonder why your weapons break on the weakest things. There is no good reason for this.