Police want to find three men they say forced two Game Stop employees on the floor and tied them up.
Employees told Channel 2's Liz Artz the robber also threatened the workers' lives.
Police fear the next time someone might get hurt or end up getting shot.
Police released images from a Game Stop surveillance camera off Satellite Boulevard in Gwinnett County where a gunman rushed the counter, and demanded one employee get on the ground and the other to hand over the cash drawers.
Detectives say there were three men in all.
"They were rough of course and they threatened them, they put them down and said if any alarm goes on we're going to start shooting," Ahmad Khalid said whose son was one of the employees in the store that night.
Khalid's son and another employee were forced to the back room. Police said they were zip tied and threatened again.
"They took their wallet, threatened them, saying we know where they live," Khalid said.
Investigators told Artz the three men took two cash drawers, at least 20 gaming consoles and stacks of games.
Police hope distinctive tattoos on one of the men's chest, and an image of the suspect's face and eyes will encourage someone to come forward.
"We want to stop these people before someone gets hurt; one thing to do a robbery another to do a murder," said Capt. Cass Moonie with the Suwanee Police Department.
The employees' wallets were also stolen. Police say the men took off in a silver Dodge Magnum.
If you know anything about a car fitting that description or recognize the men in the surveillance video call Crime Stoppers at 404-577-8477 or the Suwanee Police Department.
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