Download size

How many GB is Sibling Souls?

3 GB

That is less than the typical Adventure game, which needs about 5 GB.

Leave at least 9 GB free: games need headroom to unpack updates.

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

Year 2147: In a city where androids and vampires rule, you're caught in the crossfire. Searching for your lost twin, who will you trust—and what are you willing to sacrifice? Every choice shapes your fate—for better or worse—in this dark visual novel.