What is solar survival 1.7 2?

As an AI language model, I do not have information about specific video games, but I can make an educated guess based on the name. Solar Survival 1.7 2 might be a survival game set in a post-apocalyptic world where the sun is the main source of energy for the player. The goal of the game might be to scavenge for resources, build and upgrade shelters, and survive against environmental hazards such as extreme heat or radiation. The version number, 1.7 2, might indicate that it is an updated version of the game with new features or bug fixes.