ザアンツアンダーグラウンド キングダム is a free strategy game developed by StarUnion for the Android platform. In this game, players take on the role of a leader of an ant colony and must use their intelligence to construct and strengthen their ant hill, while resisting external threats. The game revolves around building a safe environment for the ant colony and increasing the number of ants to ensure their prosperity. Players must strategically dig tunnels and create corridors to form the ideal ant hill. To expand their territory and compete for resources, players need to organize a powerful army of ants, including specialized ants with unique abilities that hatch from special eggs. Additionally, players can form or join alliances to collaborate with like-minded individuals and achieve success together.

ザアンツアンダーグラウンド キングダム is a free-to-play game, but it offers in-app purchases for certain items. It requires players to be at least 3 years old and have access to a network device.