Download size

How many GB is Who is Abby?

40 GB

That is more than the typical Puzzle game, which needs about 3 GB.

Leave at least 53 GB free: games need headroom to unpack updates.

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

You play as Tom, searching for his missing sister in this stunning first-person walking sim meets point-and-click adventure. A psychological thriller where you unravel a mystery through exploration and puzzle-solving—no horror, just suspense and intrigue as you reveal more about her disappearance.