About
Cirrostratus Open Seas and Skies. It's a RPG where you explore islands on the sea and in the skies looking…
Questions
When is the next Cirrostratus OS update?
Nothing’s announced yet. It was last updated on September 11, 2025.
What games are like Cirrostratus OS?
Tiny Skies Fighter Jet & Helicopters, 100 Days at Sea and +1 Open Sea for Treasure. See more
Who made Cirrostratus OS?