Download size

How many GB is Hydro?

4 GB

Leave at least 10 GB free: games need headroom to unpack updates.

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

Revive a vintage hydro-electric power station and generate power for the local township. Manage both on-site and township power demands, manage your funding levels and perform all manner of maintenance, upgrades and other duties.