Loop: On Saturday between 3 p.m. and 7 p.m., The Gage’s staff will vote for the best costume. The winner will receive a $250 gift certificate for the restaurant.
Near North: Sunda is hosting “Dim Sum in the Dark” on Sunday, featuring a selection of dim sum for $8.88 a piece. [Chicago Reader]
River North: Starting at 11 p.m. on Saturday, Nacional 27 is hosting a costume contest. The winner will receive a cocktail party for 27 people.
River North: Hub 51 is hosting an Anti-Halloween Party with $6 cocktails, select half-price bottles, and “no costumes, no prizes and absolutely no Monster Mashing.” [UrbanDaddy]