A "rock album" refers to a collection of songs that are predominantly from the genre of rock music. It is a group of tracks recorded by a rock band or artist and released together as a complete piece of work. Full definition
To sum this up, players are engaging in a full blown rock album they can explore it. (indieroot.com)
Have I just seen one too many Martian bases and hells based on rock album covers? (quartertothree.com)
But, just as classic rock albums of yore get to be rediscovered by each new generation, so too might that gloomy old building from one of the rock's most memorable albums get another life. (treehugger.com)