This game is simple. On your post, post a floor in an infinitely tall building from the very first floor, and optionally, your reaction to entering the previous floor. The floor can be anything you want it to be, no matter how ridiculous or impossible.

Example (put in a spoiler to prevent this post from being too tall):


Anyway, I'll start. (I'll do two floors so that the number of floors so far stay in sync with the number of posts)

Floor 1: Basement
Floor 2: Lobby

e; your confusing me now.
um the lobby is very cool and creative.

room 3:
Everything is made of chocolate

That's why I put that example in there; so that I won't confuse players.
Yum!

Floor 4: This room only has a mysterious door. Legend has it that it allows for interdimensional travel, and it was recently confirmed. If you go through the door, you end up in a pitch black dimension with four doors of the same kind. These 'dimensional doors' have been rumored to be one big mind map, made by aliens.

I do not wanna go there.

#Room 5:

The room is all blue and has a secret trap door somewhere.