Today, I finally played and completed Resident Evil 5: Untold Stories (Desperate Escape and Lost in Nightmares). To be honest, I could've completed them earlier but I knew once I replay RE5 it's going to make me want to replay the entire game again. About the DLC, Desperate Escape was pretty good (and brutal), which makes me think it's perfect co-op play. As for Lost in Nightmares, it's a bit of a letdown. It's too short, too simplistic and feels somewhat empty.
The next game I'm going play will be Batman Arkham Knight (just bought it two days ago). I'm really looking forward to this one since I love every Batman Arkham games so far. Hopefully, my PC can run it without major issues.