There are lots of games, and some of thease has violence. Actually Miniclip isn't a virus site, Miniclip's sponsors may have "yellow and red sites". Same as download games. They may have much Miniclip's sponsor's ads, and if you click them, virus will come in your computer. Games are good, download apps and toolbar are bad.
It has a virus.
Download this: http://www.miniclip.com/games/best-friends/en/
Then virustotal: https://www.virustotal.com/file/8b3ae744e2a9c409861edd713edc673e8545a6b3992e219b53b4cd1238ab2762/analysis/