fans go crazy

So basically, everytime I launch a big game like BF 5 or Rainbow 6 Siege, my CPU overheats, as well as the fans which go crazy. SPECS : CPU: INTEL i7 6700 PSU: THERMALTAKE TR2 S GPU: RX 590 8gb (rev 2.0) MOTHERBOARD : H110M-Plus CASE: AVP RAM: 2* 8gb 1200 MHz DDR4 sticks. Please tell me the...