What is Hyper-casual Game?

Hyper-casual games are lightweight games with minimal design and are instantly playable offering a high level of entertainment and replayability. Hyper-casual games usually focus on a single core mechanic, but the games are still challenging to players and have universal appeal. In short, hyper-casual games are easy to pick up but challenging to master, encouraging players to return.
The genre is known for its snackable content, which players can enjoy in short spurts like while waiting in line or on a commute, and are a revival of the simple arcade games of the ‘70s and ‘80s. Unlike other game genres, hyper-casual games have an increased ability to go viral and scale quickly.