Kingdom Rush Frontiers

Kingdom Rush Frontiers, also marketed as Kingdom Rush Frontiers - Tower Defense (sometimes shorted to TD), is a video game that was developed by  for iOS, iPadOS, macOS, Android, Linux, and Windows. It is a sequel to , a Flash Player game that was ported to support the iPad in 2011.

Gameplay
The player's goal is to defend exotic lands from adversaries ranging from dragons to man-eating plants.

Releases
Kingdom Rush Frontiers was first released for iOS 4.3 in June 2013, with an Android version later in the year. Version 1.6 was released for iOS 7 through the Apple App Store on December 3, 2014. It became available for Mac and Windows PCs through Steam in July 2016, with a Linux version released in the following month.

Apple Arcade version
A variant for Apple Arcade was released on November 12, 2021 under the title Kingdom Rush Frontiers TD+, with no ads and unlocked options included. An RPG sequel, Legends of Kingdom Rush, was released as an Apple Arcade exclusive in June 2021.

System requirements

 * iOS 10 or later (13.0 for Apple Arcade)
 * iPadOS 13 or later (for Apple Arcade)
 * Mac OS X 10.6.6 or later (11.0 for Apple Arcade)