Download size

How many GB is The Donnerwald Experiment?

4 GB

That is less than the typical Role-playing (RPG) game, which needs about 6 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.

A Fantasy-Horror RPG about nightmares, machines and self discovery. Johanna is infected by a Dream Demon and it's terminal. Her only chance is to catch the Demon who caused her this dillema and force him to return her to normal before it's too late.