Unknown Signal: Invasion is a continuation of the exciting sci-fi game. This time you have to go to the space station to investigate a new mysterious signal coming from an unknown source. Even more difficult puzzles, dangerous enemies and exciting adventures await you in the unexplored levels of the station. Fight with unknown creatures, go through dangerous situations that await you at this station! Find out what is hidden behind the mysterious signal and become a real hero! Peculiarities - Nice soundtrack - Colorful graphics. - Dangerous opponents