美國第51區一直以來都是一個秘境，傳言說，外星生物的秘密就藏在第51區裡，因此這裡守衛異常森嚴！但今天，一眾志同道合的人決定齊集51區外，合力闖入秘境營救外星生物！51區的特工當然不會怠慢，早已配備最先進武器，準備迎戰！ 到底，會是大家先闖入第51區，還是特工先把大家擊退？

In September of 20XX, raiders assemble to break into Area 51 and unseal the secret of Alien! Agent51 is sent by the Government to stop the raiders. The battle is about to be triggered! Players play with cards. Raiders have to invade Area51 before the morale exhaustion!