Download size

How many GB is Bunker 56?

0.77 GB

That is less than the typical Simulator game, which needs about 4 GB.

Leave at least 6 GB free: games need headroom to unpack updates.

The figure is the storage Steam lists as required for this game, not a measured download.

In the game, you need to properly distribute food and drink, as well as monitor the daily routine. While you'll be looking for and get to the exit of the bunker.