Everything is tested and scanned before being uploaded, this website is virus free. If you get a trojan, it's false positive, like explained http://igg-games.com/virus-trojan.html.
Thats no problem, you can just be an a-hole, just invade and kill other players. anyone join your game?, kill it and before he/she disapear say something like "i am not here to make friends".
sincerely, a fridge
or this. zeekcat#0892