On April 19th, 1973, a race of extra-terrestrial lifeforms launched a landing unit from the moon, which touched down on Earth, in central Asia. Ever since, mankind has been engaged in a losing war against this alien species, known as the BETA, as they have gradually expanded outwards across the globe. After 20 years of non-stop fighting, the war has reached the shores of Japan...
First wave is down. Second wave incoming.
.تمّ القضاء على الموجة الأولى. الموجة الثانية قادمة
Erste Welle erledigt.
Zweite Welle auf dem Weg!
Première vague détruite !
La seconde arrive !
Prima ondata neutralizzata.
In arrivo la seconda ondata.
A primeira onda caiu.
Segunda onda chegando!
Первая волна уничтожена!
 Вторая на подходе!