: Be prepared to defend your colony against up to 20,000 infected simultaneously.
: The game is known for being notoriously difficult and "unforgiving," making the pause feature essential for survival. They Are Billions - GOG.com They Are Billions (v1.1.4.10) [GOG]
The release on GOG is a DRM-free version, meaning no activation or online connection is required to play. Quick Technical Guide : Be prepared to defend your colony against