Deep Silver CEO Dr. Klemens Kundratitz told Joystiq: "While it launched in a very dry space in the gaming calendar this year, it still got a lot of attention.
"Our ambition is to absolutely continue with that brand and we will also, in the next phase, look to making it more accessible for a broader gamer audience."
The publisher released the first of four planned Metro Last Light DLC packs last month.
In our Metro: Last Light review we said 4A's sequel is "gruelling, but worth the effort" and "a refreshing change from more traditional first-person shooters".
If you're still on the fence about whether to pick up the game, you might want to check out this video of the opening mission.