How long is an average game of bowling for two?

Question

I'm taking my boyfriend out one evening so his friends and family can prepare a surprise party at home. I thought it would be fun to go bowling while we're supposed to be gone, but I didn't want to be gone TOO long. About how long does a normal bowling game take when it's just two people?

Answer 1

like 15-20 mins

Answer 2

depends how good if the two are good 15 minutes if they aren't that good 25 min  

Answer 3

not more than 30 min.