After you found the weird looking tumored tablet in the storage room suddenly on the tablet it show a mission and the information of the mission is to retreat to the HQ fortunetaly there is a GPS tracker on the tablet so you can find your way to the Tumored base but on your way some mutated Tumored scratcher appears and ambush you. Your mission is drive safely to the Tumored HQ you also got permission to use the facillity's truck too.
The next part of "S.S.F HQ" also by me. Also check out my friend @AndyPotter he makes cool games too. Use arrow keys to move. The game used frontview.