Unity3D FPS Demo is an Android adventure game developed by inHaze. It is a simple first-person game that allows players to explore a small 3D environment. The game is available for free and is designed to give players a taste of the Unity3D engine.

The game is easy to play and has a straightforward interface. The objective of the game is to explore the environment and find hidden objects. The game does not have any combat or shooting elements. Instead, it focuses on exploration and puzzle-solving. The game's graphics are decent, and the environment is well-designed, providing players with an immersive experience.