Ubisoft shut down the servers for Tom Clancy’s Rainbow Six Siege X for more than 24 hours after suffering a massive systems breach over the weekend. Hackers reportedly gained access to the first-person shooter’s servers, giving away in-game currency worth millions in real-world value. SEE ALSO: ‘Counter-Strike 2’ update wipes $2 billion in real money from game’s economy Videos and screenshots of the Rainbow Six Siege X hack began circulating on social media over the weekend, with multiple players noticing that they suddenly had rare in-game items and an extra 2 billion R6 Credits on their accounts. R6 Credits are in-game currency that can only be purchased with real-world money, and is used to buy new playable characters or cosmetic items. The Ubisoft Store sells 15,000 R6 Credits for $99.99, meaning 2 billion would be worth over $13 million. This Tweet is currently unavailable. It might be loading or has been removed. This Tweet is currently unavailable. It might be loading or has been removed. Several players also reported seeing highly unusual in-game notifications while …