“We recently detected an unkown spacecraft that crash landed in a remote location.”
“The recovery team found an alien creature inside that was critically injured but still showing signs of life.”
“The alien has been transferred to the secret Facility Z-13 and is about to undergo a medical procedure.”
“However there have been some operational problems at the facility and so we've assigned you remote system access to keep things under control.”
“Use the robots to repair any damaged buildings and do your best to keep things running.”
“But most importantly...
Keep the alien alive.”
You lost with left.
The alien survived the procedure and made a full recovery.
It then went on to carry out its mission to bring to all earthlings.