DEFCON Achievements Here is the full list of all 22 DEFCON achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply VictoryWin a game online ReservesWin an online game with at least half your nukes still remaining Perfectly timed betrayalDefect from an ally, then land a nuke on one of their cities within 10 seconds Pre-emptive strikerDestroy a total of 50 enemy silos before they can launch any Nukes Kill The WorldNuke 7 billion civilians WastefulDestroy a total of 50 enemy ships with Nukes Nice trySink an entire enemy fleet of six subs, before they can launch a single nuke Hit and runLaunch all nukes from a fleet of six subs and escape without losing a single sub in the process Recon expertUncover all ground bases belonging to a single enemy team before Defcon 1 Brave sacrificeLose 500 pilots due to running out of fuel Explore North AmericaNuke Washington DC, New York and San Francisco in a single match Explore South AmericaNuke Mexico, Sao Paolo and Lima in a single match Explore EuropeNuke London, Rome and Berlin in a single match Explore AfricaNuke Cairo and Kinchasa in a single match Explore RussiaNuke Moscow and Leningrad in a single match Explore AsiaNuke Tokyo, Shanghai and Hong Kong in a single match Lone warriorWin a 6 player game online without ever being in an alliance DiplomatWin an online game of Diplomacy BackstabberCall a vote and convince your allies to kick a team member, a total of 10 times Had enough yet?Nuke a city with a population already reduced to 0.0M SurvivorWin an online game of Survivor with at least 90% of your population still alive Merry ChristmasNuke Santa and thereby end Christmas for everyone, for ever more