>>43390555You don't go "straight line down one path". There's three entrances which all start in a different path, they loop in multiple ways, you can go up and down floors in multiple ways. It's true that the top and bottom floor are somewhat linear, but the middle floors aren't at all. You also don't have a map in the game and the nature of the game's screen means you have to stumble around figuring out where to go.
Are you seriously trying to redefine the word "exploration" just to fit your agenda?
Here's the definition of exploration from the dictionary:
>the action of traveling in or through an unfamiliar area in order to learn about it. How exactly is this not exploring?