Download size

How many GB is Insiders?

5 GB

Leave at least 11 GB free: games need headroom to unpack updates.

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

Welcome to the dangerous micro world hidden inside the human body. Pilot a ship through the bloodstream. Mine resources, fight microbes, craft items and weapons. Build bases. Follow quests and find a cure for cancer. Don’t get eaten!