Uno will be available this weekend at a Las Vegas casino for a first-of-its-kind "elevated social experience," the Palms Casino Resort and Mattel announced in a joint news release in May.

Uno clarified the confusion on Instagram on Tuesday.

"UNO Social Clubs reimagine what game night can be—bringing people together for real-world fun, connection, and a bit of friendly competition," said Ray Adler, Mattel’s Vice President and Global Head...