The Animal Crossing series has players making friends with neighbors as they decorate homes, collect bugs, go fishing, and more. The franchise has sold over 30 million games since it debuted in 2001.
The free-to-play mobile game focuses on a camping ground. You can collect items to craft new amenities, like a swimming pool, that can attract more visitors. These take time to build, but you can speed up the process with Leaf Tickets, which you can buy with real money. You can also use Leaf Tickets to purchase crafting items.
Both hit the No. 1 spot in the U.S. Apple App Store rankings for games shortly after their release. Super Mario Run is a premium app that costs $10, but Fire Emblem: Heroes is free-to-play with microtransactions.