Q.U.B.E. 2 is the sequel to the hit first-person puzzle game Q.U.B.E. You are Amelia Cross, a stranded archaeologist who has awoken among the ruins of an ancient alien landscape. With the distant help of another survivor you must solve the puzzles of this mysterious world and find a way back home.
1. You must download and install Steam https://store.steampowered.com/about/ (if not already installed)
2. Register a new account on Steam or go to an existing one.
3. Go to the "My Games" section and select "Activate via Steam", enter the key.
4. The game after activation appears in the list of games and you can download it from Steam.