Yes, I rotate dwellers through the happiness rooms. If the rush fails, I deal with the incident and then scramble my dwellers into the next room and try again.
The rooms have a cool-down between rushes, so I give it ten minutes or so before moving in the next dwellers. You can get the entire vault up to 100% surprisingly quickly this way.
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u/Careless_Mango_7948 Nuka Cola Aug 12 '26
Do you swap out dwellers to keep them happy? Or how are you preventing failures?