I am wondering which is more efficient in the beginning: building new rooms (production specifically) or upgrading existing rooms? Assume that the rooms are already three wide and that I would (obviously) be upgrading them all at the same time. I am trying to figure out what will get the best return on investment right away.

The main reason I'm wondering is that in my vault I'm going for 3 layers of the following (power, food, water), followed by several layers of med/rad labs for mass-storage purposes, training rooms, etc. I'm trying to quickly build up a solid base of the first three and wondering what the most efficient method is between upgrading (3 rooms) and building (3 rooms).

It seems that building more rooms might be better as it would probably get more in the long run (two rooms vs one) even with the bonus of upgrading. However, it does get more expensive to build rooms the more of one that there is. Coupled with the upgrade bonus, would this make it worth it to simply upgrade before building more?

Additionally, at least in the beginning, it is difficult to store up enough caps to actually upgrade due to expense. Would this make it more efficient to simply build more rooms, even with that additional expense?

First off, I know similar questions have been asked before; however, they usually don't really mention what I am looking for specifically (efficiency).

Thanks!

up vote 6 down vote accepted

This actually depends on how you play the game, and how many dwellers you can equip.

Play Style

If you only play for a short period, and usually have at least 20 minutes or so between play periods, then getting more rooms is not a bad idea.

This is because you can place only one dweller in the room, and it will still be ready by the next time you play. During the interim, your dwellers do not consume resources.

If you play for longer periods or more frequently, then you care about the cycle time for each room. If you play for 10 minutes, and your food room with one dweller takes 18 to finish, then you're going to have starving dwellers.

So, in the case where you play more often, you need to sufficiently staff your room, making it more difficult to expand. Additionally, upgrading causes the room to produce more food per cycle, increasing the food-per-second.

Either way, you should be careful not to fully upgrade your rooms unless you have tough dwellers with good weapons, or else the incidents will be a serious problem.

Dwellers

More rooms means either more dwellers, or less dwellers per room. I talked about the number of dwellers per room above.

If you plan to fully staff these new rooms, you'll need a lot more dwellers. You want everybody in the vault to have a decent weapon to deal with incidents, so you shouldn't expand faster than you're increasing your weapons supply. If you have plenty of weapons, then creating and fully staffing new rooms might be a viable option. Don't create new rooms and staff them with six level one dwellers carrying BB guns.

What I Do

I usually don't play for more than 5-10 minutes at a time, and only look at the vault a few times a day.

I build one each of food, water, stimpacks, and radaway production. I try to fully staff the rooms as quickly as possible. At some point, I will upgrade each room once, but not twice. This is determined by need. If I'm running out of water, I upgrade the water room.

Because I then build training rooms, and am constantly upgrading my dwellers' outfits, these individual rooms are enough for quite some time. I eventually build second food and water rooms when the single rooms are no longer sufficient to keep everyone fed and watered.

Clearly, there are a lot of factors involved that will affect your individual vault, but I wouldn't expect additional food and water rooms to be needed until you have around 50 dwellers.

I currently have a survival vault with 71 dwellers that just recently built new food and water rooms, and a survival vault with 37 dwellers that still only has one of each.

  • This does make a lot of sense. I did know somewhat about the increased danger of upgrading but not much at all and kind of discounted it entirely (oops). Additionally, I remember now that dwellers don't consume resources while not in the app but also forgot this until you mentioned it. I have a good shelter on a Blackberry (obtained through sideloading Google Play) but it eventually crashed and I rage quit :) . What you said makes sense though, especially since I only am on for a short time. Thanks for the reponse! – Kendall Roth Jul 26 '16 at 1:56

My opinion is that you should build 3 rooms side-by-side so they will merge then upgrade them. Once you need more stuff, repeat the cycle

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