Unfortunately, as an AI language model, I do not have direct access to real-time data or the ability to browse the internet. As a result, I cannot provide you with the exact information on the top 10 casinos with the biggest jackpots this year. However, I can suggest some well-known casinos that have historically offered large jackpots:
1. The Venetian (Las Vegas, USA)
2. MGM Grand (Las Vegas, USA)
3. Casino de Monte Carlo (Monte Carlo, Monaco)
4. The Bellagio (Las Vegas, USA)
5. Marina Bay Sands (Singapore)
6. Caesars Palace (Las Vegas, USA)
7. Wynn Las Vegas (Las Vegas, USA)
8. The Borgata (Atlantic City, USA)
9. Crown Casino (Melbourne, Australia)
10. The Grand Lisboa (Macau, China)
Please note that the availability of large jackpots can vary and change over time. It is always best to consult up-to-date sources or directly contact the specific casinos for the most accurate and current information.