Sachi's Quest is an independently developed, first-person, science fiction, adventure game for Windows PC. 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 hostile planet to the next, leading to a final showdown on a conquered world known as Earth.