Vortex: The Gateway is an open world survival horror game.
Due to a mysterious dimension vortex you will find yourself on an alien planet. Explore, adapt, build and fight to survive. You will have to face the dangers of the planet at different times of day, at changing temperature, hungry or thirsty. You can explore spectacular and dangerous places where you always remain a prey for the local species.
If you want to survive then be alert, sneak, build and fight. Meanwhile life back on Earth changes dramatically. What changes? You will get bits of information through your adventure. Prepare for the worst!