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...
The population of Earth has fallen
 and is now one to two billion.
.انخفض عدد سكّان الأرض إلى ما بين مليار أو ملياري نسمة
Die Gesamtbevölkerung verringerte sich
auf einige Milliarden Menschen.
La población mundial se ha reducido
a menos de 2000 millones.
La población mundial se ha reducido
a menos de 2000 millones.
Seuls survécurent
un peu plus d’un milliard d’individus.
La popolazione della Terrà
 si ridusse tra uno e due miliardi.
A população da Terra caiu para
pouco mais de 1 bilhão de pessoas.
Население планеты сократилось
 до миллиарда человек.