Flak cannon (Research) was available in Closed beta, but does not exist in the VIP version of the game. The article is being kept for historic purposes. The VIP version of Flak cannon (Research) can be found here. This article is a stub. You can help by expanding it. Name Picture Research Institution Prerequisites Rewards Flak cannon Research Facility - 4 ? ? Artillery Enables Flak cannon Retrieved from "https://8realms.fandom.com/wiki/Flak_cannon_(Research)?oldid=21593" Categories: Beta Only Stubs Modern Technologies Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.