Gen Con organizers threatened to leave the city in 2015 amid a national uproar over the Religious Freedom Restoration Act.
Gen Con's current contract with the city runs through 2020.
The annual gaming convention is expecting higher attendance than last year, when it sold 56,000 tickets.
A coalition will hold a rally today on the Indianapolis Retail Workers Bill of Rights; Gen Con returns to the Indiana Convention Center this week.
Convention organizers expect a total of 40,000 attendees over the four day conference.
This year‘s Gen Con gaming convention set new records during its tenth year in Indianapolis.