Where can I construct a mass grave for all these aliens I've been killing?

[Anti Alien Alarm]

the pile in my research lab is getting quite laborious to shove around now

 

[Desu Mountain]

Did these aliens speak Spanish?

 

[Anti Alien Alarm]

Did these aliens speak Spanish?

Don't know any taco. But I heard some "i carumbas" which I think is a phrase from their alien language.

 

[Gangstalker #32194]

have you considered turning the aliens into delicious pepperoni