Yes, it looks like the robot is just playing a game, but it is practicing and learning how to stack corpses of its fallen enemies efficiently.
Have Your Food Delivered by Robot Ninjas – Urlesque. Dear god, robots were bad enough, but Robot Ninjas?! This will get countered with Robot Pirates and the escalation will continue until robopacolypse!
Basqueresearch.com: News – Intelligent robots for saving lives. Tekniker-IK4 is developing two robots capable of operating autonomously that can be used to explore dangerous situations.
…the ROBAUCO project has developed mobile, autonomous and cooperating robots that can undertake more complex tasks. In fact, it has already designed two prototypes that have undergone trials aimed at finding solutions for various emergency situations. In order to suitably programme the functions of these prototypes, the project has had the help and advice of the Office for Attention to Emergencies of the Basque Government and SOS Deiak and other emergency services.