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Grand Theft Auto Online has cultivated many mysteries and rumors over the years, and there are a few things fans have wondered more endlessly about than a Casino.

Now, a new rumor and subsequent changes in-game seem to hold some answers.

The Casino has been something of an enigma, and a point of many fake leaks, for years. Since the launch of GTA 5 back in 2013, the imposing building sat unused, closed and with an "Opening Soon" sign in front of it.

Players often took the sign for granted, assuming that a Casino themed DLC with gambling will be added to the game at some point.

This became a prominent theory and a few modders tried to cash in on upvotes with a few fake leaks, such as that one time when the sign in front of the casino allegedly changed. This time, however, it's clear that something is happening.

The first indication was a Tweet from well-known GTA Online informant Tezfunz2, a reliable source of leaks and information gained from data mining. The Tweet reinforces rumors that the next major GTA Online DLC will involve the casino, and that week-by-week we'll be seeing in-game changes to the building itself.

While the source is a reliable one, the rule of thumb is to never fully believe something coming from an unofficial source. However, the leak was followed by actual in-game evidence: there have been visible changes to the casino in-game.

The "Opening Soon" sign from the casino is gone and now the building's entrance is littered with construction equipment. A pallet of wooden beams, a generator, a large debris container and some cones are blocking the building's entrance, indicating that renovation work is being done on the interior.

This change, verified to be in GTA Online and not modded into the PC version of GTA 5, all but confirms the Tezfunz2 Tweet and the rumor itself. While we can't be sure exactly what role the casino will get in this future update, it's clear that something is finally happening.

Players are excited by this news due to the thematic importance of gambling in the world of GTA. However the actual gameplay that will be available in the casino may not be what most expect. With the addition of gambling in Red Dead Online, many assume the same feature will be coming to GTA Online — but we're skeptical.