Download size

How many GB is Improbability?

10 GB

That is more than the typical Strategy game, which needs about 3 GB.

Leave at least 17 GB free: games need headroom to unpack updates.

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

You are all assigned with investigating the backrooms and containing the anomaly. Be aware. There is a high chance of casualties, psychological damage, trauma, and frightening encounters. The safety of the United States relies on you, but what secrets could these members be hiding?