Best Online Casinos for Real Money 2020 — Slots, Blackjack, Roulette Games #1. Wild Casino Bonus: 130% up to $5000 #2. Intertops Bonus: 100% up to $100 #3. MYB Casino Bonus: 200% up to $1000 The world of online gambling has significantly grown over the years with the majority of people in the USA wanting to make a quick fortune out of the game. This has led to the evolution and development of the online gambling world.