Home In Alien is a 2D sandbox survival-building game that combines elements of role-playing and colony management. Inspired by open-world titles such as Rimworld, Keplerth, and Necesse, the game aims to simulate an alien survival experience that balances free exploration and plot-driven storylines for players.

The game tells the story of the player as a human survivor in the space war with the bugs fell to a distant alien planet, and gradually develop technology to establish a colony, victory over the bugs and ultimately escape from the alien planet of survival story.

In order to survive, the first step is to build a colony. Players can recruit different types of NPCs to help build and operate the colony, they are hard-working farmers and heroic warriors. Build a set of scientific and reasonable automatic management system, farm management, defense against foreign enemies, are left to them, and then feel free to go out and explore.

The planet is occupied by different forces who compete with each other for mining sites, grabbing resources and providing different types of items, technology and weaponry, etc. Players can contact, trade and fight with them through event triggers, obtaining the materials needed to develop colonies and unlock technology.

Players need to gradually unlock the technology, manufacture high-grade weapons and equipment, kill different levels of bosses, to obtain the core materials for the development of technology and manufacturing starships.Roguelike battle mode provides players with a variety of combinations for each battle, random changes to bring a more enjoyable combat experience.