Yes. Call of the Void is free right now on GOG, with nothing to pay.
Where do I claim it?
On the official GOG page. We link straight there — we never host game files or act as a middleman.
Giveaway history
1from our archive
Earlier giveaways of Call of the Void
Ended
Store
Ran for
—
GOG
—
Recorded as each giveaway ran, not reconstructed afterwards. Publishers repeat
themselves, so a title that has been free before is a reasonable bet to return.