The armed robbery happened at the Sheppton Mini Mart, 974 Center St., around 9:15 p.m., troopers said.
The robber walked in through the back door brandishing a black handgun and ordering the workers to get on the floor, according to investigators.
He forced the employees into the beer cooler before turning off all the lights, stealing $700 from the register, and leaving out the back door, police said.
The robber fled north on State Route 924 toward Hazle Township in Luzerne County, they added.
He is described as a white man who walks with a limp and was wearing a black ski mask, a black hoodie, black sweatpants, gray gloves, and black and white sneakers during the robbery.
Anyone with information is asked to call state police at Frackville Station at 570-874-5300 or submit an anonymous tip online.
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