Subtrope of Remixed Level.
With the cost of development for video games going up, it's understandable that the dev team would want to find a way to cut corners. As such, a lot of game content becomes recycled. It's easier to miss and/or explain with small things, but with something as large as a whole game environment, players might start to catch on.
Some decide to cut corners elsewhere. Others [...] [tvtropes.org]