All my 4th week mission progress was reset on all 5 of my Tanki generated acct but NOT on the acct i started on Facebook gameroom. V_R_I_P_T_E_C_H_COM was reset all the back to start of week 3 ! i play everyday and know it had something to do with latest update. Skills_From_Target said the same thing happen to them in Q&A chat.

neither get a m3 gun(s) or bodys to much m2 will get u killed fast