Download size

How many GB is Hydrogen?

9 GB

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

Leave at least 16 GB free: games need headroom to unpack updates.

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

Enter a post-apocalyptic Sci-Fi world in 'Hydrogen,' a thrilling Roguelite ARPG. Navigate through procedurally generated instances, each playthrough offering unique challenges, random items, and perks to level up your character.