+Big Win: The Alberta government expects the open online gaming industry to raise $100 million in annual tax revenues. When choosing the top online casinos in Ontario, it’s essential to consider several key factors before creating an account. Learn how to properly assess platforms and determine which casino site best matches your needs in the section below. All of the following steps apply to the casinos featured in this guide. I briefly touched on the gaming library at online casinos, but now I want to go into more detail; after all, these games are the primary betting products at online casinos. Ontario players naturally want choice when it comes to casino games, and the top casinos have diverse gaming libraries for players. The best software providers have partnered with casinos, and you will find games from leading developers, including Pragmatic Play, Evolution, NetEnt, Booming Games and Red Tiger Gaming.