Why are the beds stacked in Squid Game?

Why are the beds stacked in Squid Game? The room where the 456 players sleep and reside during the games is stacked with metal bunk beds. Behind the bunk beds was the answer to what games the players would play throughout the six days in captivity.

The room where the 456 players sleep and reside during the games is stacked with metal bunk beds. Behind the bunk beds was the answer to what games the players would play throughout the six days in captivity.