The 2014 version of the game, called 'Survival', will take place on August 15-16 and August 22-23.
The participants' every decision has repercussions for the route they take, the characters they meet and their chances of success or failure.
Simon Evans, who co-founded 2.8 Hours Later with business partner Simon Johnson, said; "We are delighted to be returning to Glasgow for a third year. The game has always been received with enthusiasm and has one of our strongest fan groups."
Find out more at www.2.8hourslater.com.