Roblox

Roblox is an adventure game by Roblox Corporation; at 1,000,000,000+ installs it is installed on a billion-plus devices. It scores well, with 73% five-star ratings.

Free to download, though in-app purchases run $0.50 - $199.99 per item. Content is rated Teen. It needs Android 8.0 or newer. 3,664,360 people have left a written review.