I have been playing my same vault on Fallout Shelter for a while now. I have 40 dwellers. I haven't had one attack yet. No mole rats, raiders or death claws. My first vault I had an attack at least every other time I played the game. It's getting kind of boring.... most issues I have is fire/radroaches when I fail at rushing a room. I send people out on explorations often. I have an upgraded radio room with 3 people working in it. Help? I want some attacks :-)

  • It's better idea to contact game support imo – Ertürk Öztürk Apr 10 '16 at 17:24
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    That sounds like a bug. No ideas on how to fix it. Should probably contact support or just start a new vault. 40 dwellers isn't very far in. – DCShannon Apr 12 '16 at 0:00
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    With 40 dwellers, you shouldn't have Deathclaws alright. ...yet, I'm not sure about the rest. – tjeloep May 14 '16 at 17:58
  • I wish I could send you some of mine. – Shawn V. Wilson Jul 11 '18 at 18:44

There's really only two options:

  1. You are experiencing a bug as others have commented, you can contact support to report it, or start a new game (ugh, I wouldn't)


  1. You are just ridiculously blessed by the RNG gods and sooner or later you'll get your first attack. Those are RNG based events, but I thought that over time the chances of getting one increases to the point where it's inevitable, but I could be wrong.

Personally I'd be happy with no mole rat attacks, I hate having to station people all over and not working in generation rooms or skill rooms.

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