I sort of had the same thing with the Resident Evil 1 Remake. I started it, but sort of hit a wall. The controls just aren't very fun. The atmosphere is great and I've had a lot of scares, but I don't really want to play it anymore.
Gotta be Resident Evil for me. I played through Resident Evil 4 about 3 years and now I'm making my way through REmake and already purchased Resident Evil 2 to play after I'm done with that. I don't think anyone can convince me to play 6 though. That game looks like a train wreck.
The easiest thing to do is to cut soda. That will get you to lose weight fairly easily. But I would also recommend speaking to a physician before going on this journey (outside of the soda) because you don't want to run into other problems. Especially in today's climate.