It looks more fun than Doom/Wolf 3-D.  Asian developers make better games than the West.  The downside is, if you consume it in excess, it will fill your internal demons with rage.  I can recount many times in my childhood where I experienced sudden outbursts of rage because playing too many (violent) Nintendo games. 

The least evil games in feeding your inner demon of anger comes from Chinese developers.  I rarely experience bursts of outrage after playing many hours of Chinese games.  The ones that trigger the most rage from me come from the West.  Japanese games fall somewhere in between...