The word "casual" has long been flung out as an insult on video-game forums and social media. It's deployed to belittle the interests of people who enjoy more relaxing experiences than gritty shooters, strategy-rich online games or time-sucking RPGs. Unsurprisingly, it's most often hurled at anyone who says they like mobile games.
For Voodoo, "casual" isn't an insult. It's a cash cow.