Sachi's Quest is a first-person science fiction adventure game for Windows PCs, set in a very dark far future. You play as Sachi, an elite female agent fighting in a human rebellion against alien oppressors. When Sachi finds out about a threat that could wipe out the entire human race, it becomes her mission to travel from one planet to the next, leading to a final showdown on a conquered world known as Earth.

The license of this software is Free Trial Software, you can free download and get a free trial.