Download size

How many GB is Isolated Island: After the Flood?

8 GB

That is more than the typical Role-playing (RPG) game, which needs about 6 GB.

Leave at least 15 GB free: games need headroom to unpack updates.

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

Survive in a world drowned by disaster. Explore by day, hide by night, fight zombies, scavenge resources, build your shelter, and trade with other factions. Your survival, your strategy.