Story-driven colony survival on the ice — keep the hall alive and follow the signal.
Upkeep, research, buildings, and personnel decisions in real time on your phone.
Main campaign, side jobs, and cascading chains across Colony, Shepherd, and Ridge maps.
Optional one-time Google Play purchase for Acts II & III — no subscription.
Optional one-time unlock via Google Play Billing (product id last_signal_full_campaign):
Act II and Act III maps, sides, chains, and finales. Restore purchases through Google Play.