What affects the rush incident rate?

What affects the rush incident rate? - Young frowning man in suit and glasses looking at wristwatch while waiting for appointment sitting at desk with laptop

In Fallout Shelter you're able to rush the product of a resource. According to the game, it is influenced by the luck of the people assigned to the room and whether or not you have recently rushed the room. However, as the incident rate goes down, so do the rewards for rushing. What are the underlying mechanics? I would like to maximize my rush success chances, and the possible payoffs.



Best Answer

I failed a 3 percent rush this morning in my water treatment plant (size 1) with two dwellers. Dweller 1 had 8 (+5) perception and dweller 2 had 9 (+2) perception. In addition dweller 1 had 3 luck and dweller 2 had 9 (+1) luck. I succeeded at rushing at 13 percent right after, and then rushed again at 23 percent and failed. I don't undertand what's going on behind the scenes at all. I also tested the probability of passing at rush at high percentages. I rushed a room with 6 dwellers (not sure of the exact stats) again and again at 80 percent and 90 percent (after it goes up to 90 and you fail, it goes down to 80 immediately). I rushed maybe 50 times and never succeeded one time. The probability of failing seems much higher than passing regardless of percentages.




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How do you increase your chance of rushing in Fallout Shelter?

The chance of a rush failing will increase after each rush attempt by 10% each time, and will not reset until the game has been exited or a moderate length of time has been passed. Before rushing, be sure to equip dwellers with weapons in case of an incident occurring.



Incident Response




More answers regarding what affects the rush incident rate?

Answer 2

Failure rate = 40 - 2 * (Average room Luck + Average room Skill) + 10 for each successive rush (up to +50)

Use one maxed dweller in a tripple lvl 3 room and you always complete the first rush.

Average room luck also increases chance to get +200 caps when picking up reasources.

Source: https://docs.google.com/spreadsheets/d/1Nai09D_aM2syl3iPP5hkveDcOUwhsoUDR6s1lwC0e8c/htmlview?pli=1&sle=true#

Answer 3

I am currently gathering intel on this as well and here is what I have seen from my own observations

  • The incident rate seems to start at around 31% (this is with 2-4 people in the room with ok stats)
  • It increases every time you do a rush whether you fail or succeed by about 10%
  • The chance of failure also seems to decrease again once you successfully collect a resource from the room (with out having rushed it ofcourse).

I have not had good luck finding lucky people to see how they impact the results, not a large variation in stats as I have just started and do not have the stat raising rooms as of yet for further exploration of this.

Answer 4

The Vault Dweller's luck and how much time has elapsed since the last rush, although I don't know the exact numbers.

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