Orbital Defense 2899 — Steam game overview

Stored observation / content update: 2026-11-06T20:31:11.000Z

Space Year 2899. As the new Operations Chief of Japan's Space Facility Defense Office, protect orbital colonies from debris, space lifeforms and drone fleets. Build and upgrade defenses on 10 orbits with different routes, and reshape your tactics with 130+ research projects.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.