If the words "pos-apocaliptic", "futuristic" and "world", combined to describe the setting of a action story, call you attention, take a look at this animation below.
Very good, right? It was produced by the USA based studio OddBall Animation, and if you like this kind movie making, at their website they have a full description of the creation process for this short movie, talking about the scenarios, the characters and so on.
OddBall Animation official website
Project RUIN development details