Play Defiance for FREE starting now through Sunday at 1PM Pacific Time. You can also pickup Defiance at 30% off the regular price! If you already have Steam installed, click here to install or play Defiance. If you don't have Steam, you can download it here. Join a futuristic online open-world shooter where thousands of players scour a transformed Earth competing for alien technology. Create a unique character and level up with diverse customization options. Hunt alone or with others as you improve your skills and unlock powerful modern and alien weapons that will help you survive the massive battles that await in this constantly evolving online world. Explore vast landscapes on a variety of vehicles and lead the charge in huge co-op battles and fierce multiplayer conflicts. Immerse yourself in the world of Defiance as the game impacts, and is impacted by, the Defiance TV series.