The Lab: Lockdown

I've been here for...I don't know how long it's been. There are no clocks and no windows in my small room. Every time I wake up, I leave a mark on the wall.
There are 206 marks.
I'm alone in my cell, but not the only captive here. We speak to each other through the walls. None of us knows why we're here, but our last memories before waking up here are the same: we were interviewing for a job, gas filled the room we were waiting in, and then...we woke up here. Wherever here is.
I'm the only one with some hazy memories: I was strapped to an operating table surrounded by masked people quietly talking over me...