2.5 will be a shit show probably, which is a shame because it's a good premise. Main problem is it being in the woods. Better setup would be something like copying CoD: Zombies. Have a house for the fish on a big plot of land, vampire attacks at night, having to barricade windows and doors. Have food and supply drops outside the house at night so the fish have to venture out. Could even copy some of the mechanics like having vending machines with "power ups". Wire up disconnect boxes and have locks on them with hidden keys so they have to do quests to turn on the power.
Them just being in the woods guarantees it will end prematurely as someone gets sick of dealing with exposure, bugs, wind, etc. especially in the summer.