Download size

How many GB is Mayday Protocol?

5 GB

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

Leave at least 11 GB free: games need headroom to unpack updates.

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

The plane is going down. The Pilot sees the cockpit but has no idea how to fix it. The Co-Pilots have the manual but can’t see the screen. Talk fast, think faster, and land safely. Only one copy needed. Communicate or crash.