Download size

How many GB is Sphere TD?

1 GB

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

Leave at least 7 GB free: games need headroom to unpack updates.

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

Sphere TD is an RPG tower defense game that combines strategic base defense with deep tower and projectile customization. Players build and upgrade towers, modify projectile behavior through a wide range of systems, and progress through handcrafted stages, endless mode, and a large world map. The game emphasizes experimentation, long-term progression, and replayability through its buildcraft, resource management, and progression systems.