Download size

How many GB is Zerion 12?

3 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.

A sci-fi tower defense game. Create futuristic towers of various types to destroy hordes of aliens that come in waves. Build up resources to create more towers, repair, upgrade etc. Earn rewards for accomplishing certain tasks.