The best Las Vegas casinos are home to 2,000+ slot machines. Using these criteria, we explain which slot machines are the best from each category. The same cannot be said for gameplay since one might prefer classic slots and someone else Megaways slots. These areas help us spot top-rated games across several benchmarks objectively. Knowing who makes the game can help you find the slot machine names you will see at selected casinos. In contrast, a handful of gaming vendors make slot machines for Vegas casinos. Online slot machines are more diverse, with over 200 software companies producing them. The slot options you get online are different for land-based slot machines because different companies make them.