I would highly recommend calling in advance and talk to someone at the desk. They have a lot of holiday parties going on. If you listen to the recording, I believe you can press 9 and speak to the front desk.
I used to bowl there on Saturday nights I believed they called it color Rama it starts at 9:00pm and I do believed they have color pins you can bowl for money shots but it's been a long time ago
There are always a few open bowling lanes but weekdays between 5pm to 9pm there are leagues like Ryan said that use most of the lanes.
Wecsite or call them. Most time they have leagues from 5 to 9 pm
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