Defcon 5 is a 1995 action-adventure video game developed by Millennium Interactive for the PlayStation, Sega Saturn, MS-DOS and 3DO. The title refers to the condition used to designate normal peacetime military readiness under the DEFCON system, which is commonly misused in popular fiction to indicate a state of emergency as the highest and lowest levels of preparedness on the scale are conflated. The game was originally announced under the title Incoming.