Adrift is a first-person, open-world adventure game. What makes it different is that you're dropped into a story with no information whatsoever. The point is to go in blind and figure things out.
Adrift is almost completely textless. There are no missions. It has no HUD or instructions or menus. There are no bad guys to fight in the traditional sense.
You are left alone on an island with nothing but your thoughts and the surroundings to keep you company as you explore.
The game will be released on PC, Mac and Linux. A Kickstarter campaign is in progress until March 8, 2014.