Riddle Rooms: Dark Room

Imagine, there is no more light. You are trapped in complete darkness, no lamps, no candles, no mobile phones, no windows to let the sunshine in. Even the oxygen gets consumed in 60 minutes...
No tools either to open that door, your only way to escape. What do you do to survive? What do you have for resources? Your blind faith in your team you are with. Your combined wits and skills to win and see the light again before it gets too late...